id	sid	tid	token	lemma	pos
fbem-1666	1	1	frontiers	frontier	NOUN
fbem-1666	1	2	in	in	ADP
fbem-1666	1	3	business	business	NOUN
fbem-1666	1	4	,	,	PUNCT
fbem-1666	1	5	economics	economic	NOUN
fbem-1666	1	6	and	and	CCONJ
fbem-1666	1	7	management	management	NOUN
fbem-1666	1	8	issn	issn	PROPN
fbem-1666	1	9	:	:	PUNCT
fbem-1666	1	10	2766	2766	NUM
fbem-1666	1	11	-	-	PUNCT
fbem-1666	1	12	824x	824x	NUM
fbem-1666	1	13	|	|	ADJ
fbem-1666	1	14	vol	vol	NOUN
fbem-1666	1	15	.	.	PROPN
fbem-1666	2	1	5	5	NUM
fbem-1666	2	2	,	,	PUNCT
fbem-1666	2	3	no	no	INTJ
fbem-1666	2	4	.	.	NOUN
fbem-1666	2	5	2	2	NUM
fbem-1666	2	6	,	,	PUNCT
fbem-1666	2	7	2022	2022	NUM
fbem-1666	2	8	67	67	NUM
fbem-1666	2	9	the	the	DET
fbem-1666	2	10	impact	impact	NOUN
fbem-1666	2	11	of	of	ADP
fbem-1666	2	12	inter	inter	ADJ
fbem-1666	2	13	-	-	ADJ
fbem-1666	2	14	city	city	ADJ
fbem-1666	2	15	cooperation	cooperation	NOUN
fbem-1666	2	16	on	on	ADP
fbem-1666	2	17	local	local	ADJ
fbem-1666	2	18	economy	economy	NOUN
fbem-1666	2	19	and	and	CCONJ
fbem-1666	2	20	environment	environment	NOUN
fbem-1666	2	21	:	:	PUNCT
fbem-1666	2	22	evidence	evidence	NOUN
fbem-1666	2	23	from	from	ADP
fbem-1666	2	24	the	the	DET
fbem-1666	2	25	greater	great	ADJ
fbem-1666	2	26	bay	bay	NOUN
fbem-1666	2	27	area	area	NOUN
fbem-1666	2	28	zhuoyue	zhuoyue	PROPN
fbem-1666	2	29	pan1	pan1	PROPN
fbem-1666	2	30	,	,	PUNCT
fbem-1666	2	31	a	a	DET
fbem-1666	2	32	1sias	1sias	NUM
fbem-1666	2	33	university	university	NOUN
fbem-1666	2	34	,	,	PUNCT
fbem-1666	2	35	henan	henan	PROPN
fbem-1666	2	36	451100	451100	NUM
fbem-1666	2	37	,	,	PUNCT
fbem-1666	2	38	china	china	PROPN
fbem-1666	2	39	a15639599066@163.com	a15639599066@163.com	PROPN
fbem-1666	2	40	abstract	abstract	NOUN
fbem-1666	2	41	:	:	PUNCT
fbem-1666	2	42	regional	regional	ADJ
fbem-1666	2	43	cooperation	cooperation	NOUN
fbem-1666	2	44	between	between	ADP
fbem-1666	2	45	cities	city	NOUN
fbem-1666	2	46	is	be	AUX
fbem-1666	2	47	of	of	ADP
fbem-1666	2	48	great	great	ADJ
fbem-1666	2	49	importance	importance	NOUN
fbem-1666	2	50	to	to	ADP
fbem-1666	2	51	economic	economic	ADJ
fbem-1666	2	52	development	development	NOUN
fbem-1666	2	53	and	and	CCONJ
fbem-1666	2	54	environmental	environmental	ADJ
fbem-1666	2	55	protection	protection	NOUN
fbem-1666	2	56	.	.	PUNCT
fbem-1666	3	1	however	however	ADV
fbem-1666	3	2	,	,	PUNCT
fbem-1666	3	3	there	there	PRON
fbem-1666	3	4	appear	appear	VERB
fbem-1666	3	5	to	to	PART
fbem-1666	3	6	be	be	AUX
fbem-1666	3	7	fewer	few	ADJ
fbem-1666	3	8	papers	paper	NOUN
fbem-1666	3	9	in	in	ADP
fbem-1666	3	10	the	the	DET
fbem-1666	3	11	economic	economic	ADJ
fbem-1666	3	12	literature	literature	NOUN
fbem-1666	3	13	on	on	ADP
fbem-1666	3	14	the	the	DET
fbem-1666	3	15	actual	actual	ADJ
fbem-1666	3	16	result	result	NOUN
fbem-1666	3	17	of	of	ADP
fbem-1666	3	18	cooperation	cooperation	NOUN
fbem-1666	3	19	between	between	ADP
fbem-1666	3	20	cities	city	NOUN
fbem-1666	3	21	quantitatively	quantitatively	ADV
fbem-1666	3	22	.	.	PUNCT
fbem-1666	4	1	therefore	therefore	ADV
fbem-1666	4	2	,	,	PUNCT
fbem-1666	4	3	this	this	DET
fbem-1666	4	4	paper	paper	NOUN
fbem-1666	4	5	,	,	PUNCT
fbem-1666	4	6	theoretically	theoretically	ADV
fbem-1666	4	7	,	,	PUNCT
fbem-1666	4	8	studies	study	VERB
fbem-1666	4	9	how	how	SCONJ
fbem-1666	4	10	local	local	ADJ
fbem-1666	4	11	governments	government	NOUN
fbem-1666	4	12	strategically	strategically	ADV
fbem-1666	4	13	interact	interact	VERB
fbem-1666	4	14	with	with	ADP
fbem-1666	4	15	each	each	DET
fbem-1666	4	16	other	other	ADJ
fbem-1666	4	17	in	in	ADP
fbem-1666	4	18	improving	improve	VERB
fbem-1666	4	19	environmental	environmental	ADJ
fbem-1666	4	20	quality	quality	NOUN
fbem-1666	4	21	and	and	CCONJ
fbem-1666	4	22	local	local	ADJ
fbem-1666	4	23	economy	economy	NOUN
fbem-1666	4	24	.	.	PUNCT
fbem-1666	5	1	to	to	ADP
fbem-1666	5	2	this	this	DET
fbem-1666	5	3	end	end	NOUN
fbem-1666	5	4	,	,	PUNCT
fbem-1666	5	5	we	we	PRON
fbem-1666	5	6	,	,	PUNCT
fbem-1666	5	7	specifically	specifically	ADV
fbem-1666	5	8	,	,	PUNCT
fbem-1666	5	9	collect	collect	VERB
fbem-1666	5	10	data	datum	NOUN
fbem-1666	5	11	before	before	ADP
fbem-1666	5	12	building	build	VERB
fbem-1666	5	13	a	a	DET
fbem-1666	5	14	fixed	fix	VERB
fbem-1666	5	15	effects	effect	NOUN
fbem-1666	5	16	model	model	NOUN
fbem-1666	5	17	and	and	CCONJ
fbem-1666	5	18	adopting	adopt	VERB
fbem-1666	5	19	instrumental	instrumental	ADJ
fbem-1666	5	20	variables	variable	NOUN
fbem-1666	5	21	.	.	PUNCT
fbem-1666	6	1	empirical	empirical	ADJ
fbem-1666	6	2	evidence	evidence	NOUN
fbem-1666	6	3	shows	show	VERB
fbem-1666	6	4	that	that	SCONJ
fbem-1666	6	5	inter	inter	ADJ
fbem-1666	6	6	-	-	ADJ
fbem-1666	6	7	city	city	ADJ
fbem-1666	6	8	cooperation	cooperation	NOUN
fbem-1666	6	9	in	in	ADP
fbem-1666	6	10	the	the	DET
fbem-1666	6	11	greater	great	ADJ
fbem-1666	6	12	bay	bay	NOUN
fbem-1666	6	13	area	area	NOUN
fbem-1666	6	14	has	have	VERB
fbem-1666	6	15	a	a	DET
fbem-1666	6	16	positive	positive	ADJ
fbem-1666	6	17	impact	impact	NOUN
fbem-1666	6	18	on	on	ADP
fbem-1666	6	19	local	local	ADJ
fbem-1666	6	20	economy	economy	NOUN
fbem-1666	6	21	and	and	CCONJ
fbem-1666	6	22	environment	environment	NOUN
fbem-1666	6	23	.	.	PUNCT
fbem-1666	7	1	this	this	DET
fbem-1666	7	2	paper	paper	NOUN
fbem-1666	7	3	provides	provide	VERB
fbem-1666	7	4	insightful	insightful	ADJ
fbem-1666	7	5	comments	comment	NOUN
fbem-1666	7	6	on	on	ADP
fbem-1666	7	7	the	the	DET
fbem-1666	7	8	economic	economic	ADJ
fbem-1666	7	9	and	and	CCONJ
fbem-1666	7	10	environmental	environmental	ADJ
fbem-1666	7	11	effects	effect	NOUN
fbem-1666	7	12	of	of	ADP
fbem-1666	7	13	cooperation	cooperation	NOUN
fbem-1666	7	14	between	between	ADP
fbem-1666	7	15	cities	city	NOUN
fbem-1666	7	16	,	,	PUNCT
fbem-1666	7	17	which	which	PRON
fbem-1666	7	18	is	be	AUX
fbem-1666	7	19	of	of	ADP
fbem-1666	7	20	great	great	ADJ
fbem-1666	7	21	relevance	relevance	NOUN
fbem-1666	7	22	to	to	ADP
fbem-1666	7	23	government	government	NOUN
fbem-1666	7	24	,	,	PUNCT
fbem-1666	7	25	enterprises	enterprise	NOUN
fbem-1666	7	26	,	,	PUNCT
fbem-1666	7	27	and	and	CCONJ
fbem-1666	7	28	residents	resident	NOUN
fbem-1666	7	29	.	.	PUNCT
fbem-1666	8	1	we	we	PRON
fbem-1666	8	2	substantially	substantially	ADV
fbem-1666	8	3	advance	advance	VERB
fbem-1666	8	4	the	the	DET
fbem-1666	8	5	understanding	understanding	NOUN
fbem-1666	8	6	of	of	ADP
fbem-1666	8	7	the	the	DET
fbem-1666	8	8	impact	impact	NOUN
fbem-1666	8	9	of	of	ADP
fbem-1666	8	10	inter	inter	ADJ
fbem-1666	8	11	-	-	ADJ
fbem-1666	8	12	city	city	ADJ
fbem-1666	8	13	cooperation	cooperation	NOUN
fbem-1666	8	14	,	,	PUNCT
fbem-1666	8	15	which	which	PRON
fbem-1666	8	16	benefits	benefit	VERB
fbem-1666	8	17	the	the	DET
fbem-1666	8	18	regional	regional	ADJ
fbem-1666	8	19	cooperation	cooperation	NOUN
fbem-1666	8	20	in	in	ADP
fbem-1666	8	21	china	china	PROPN
fbem-1666	8	22	further	far	ADV
fbem-1666	8	23	.	.	PUNCT
fbem-1666	9	1	keywords	keyword	NOUN
fbem-1666	9	2	:	:	PUNCT
fbem-1666	9	3	inter	inter	ADJ
fbem-1666	9	4	-	-	ADJ
fbem-1666	9	5	city	city	ADJ
fbem-1666	9	6	cooperation	cooperation	NOUN
fbem-1666	9	7	,	,	PUNCT
fbem-1666	9	8	gdp	gdp	PROPN
fbem-1666	9	9	,	,	PUNCT
fbem-1666	9	10	environment	environment	NOUN
fbem-1666	9	11	,	,	PUNCT
fbem-1666	9	12	iv	iv	NUM
fbem-1666	9	13	approach	approach	NOUN
fbem-1666	9	14	,	,	PUNCT
fbem-1666	9	15	china	china	PROPN
fbem-1666	9	16	.	.	PUNCT
fbem-1666	10	1	1	1	X
fbem-1666	10	2	.	.	X
fbem-1666	10	3	introduction	introduction	NOUN
fbem-1666	10	4	the	the	DET
fbem-1666	10	5	greater	great	ADJ
fbem-1666	10	6	bay	bay	NOUN
fbem-1666	10	7	area	area	NOUN
fbem-1666	10	8	(	(	PUNCT
fbem-1666	10	9	guangdong	guangdong	PROPN
fbem-1666	10	10	-	-	PUNCT
fbem-1666	10	11	hong	hong	PROPN
fbem-1666	10	12	kong	kong	PROPN
fbem-1666	10	13	-	-	PUNCT
fbem-1666	10	14	macao	macao	PROPN
fbem-1666	10	15	greater	great	ADJ
fbem-1666	10	16	bay	bay	NOUN
fbem-1666	10	17	area	area	NOUN
fbem-1666	10	18	(	(	PUNCT
fbem-1666	10	19	hereinafter	hereinafter	NOUN
fbem-1666	10	20	called	call	VERB
fbem-1666	10	21	gba	gba	NOUN
fbem-1666	10	22	)	)	PUNCT
fbem-1666	10	23	consists	consist	VERB
fbem-1666	10	24	of	of	ADP
fbem-1666	10	25	two	two	NUM
fbem-1666	10	26	special	special	ADJ
fbem-1666	10	27	administrative	administrative	ADJ
fbem-1666	10	28	regions	region	NOUN
fbem-1666	10	29	,	,	PUNCT
fbem-1666	10	30	hong	hong	PROPN
fbem-1666	10	31	kong	kong	PROPN
fbem-1666	10	32	and	and	CCONJ
fbem-1666	10	33	macao	macao	PROPN
fbem-1666	10	34	,	,	PUNCT
fbem-1666	10	35	and	and	CCONJ
fbem-1666	10	36	nine	nine	NUM
fbem-1666	10	37	cities	city	NOUN
fbem-1666	10	38	in	in	ADP
fbem-1666	10	39	guangdong	guangdong	PROPN
fbem-1666	10	40	province	province	PROPN
fbem-1666	10	41	:	:	PUNCT
fbem-1666	10	42	dongguan	dongguan	PROPN
fbem-1666	10	43	,	,	PUNCT
fbem-1666	10	44	foshan	foshan	PROPN
fbem-1666	10	45	,	,	PUNCT
fbem-1666	10	46	guangzhou	guangzhou	PROPN
fbem-1666	10	47	,	,	PUNCT
fbem-1666	10	48	huizhou	huizhou	NOUN
fbem-1666	10	49	,	,	PUNCT
fbem-1666	10	50	jiangmen	jiangman	NOUN
fbem-1666	10	51	,	,	PUNCT
fbem-1666	10	52	shenzhen	shenzhen	PROPN
fbem-1666	10	53	,	,	PUNCT
fbem-1666	10	54	zhaoqing	zhaoqing	PROPN
fbem-1666	10	55	,	,	PUNCT
fbem-1666	10	56	zhongshan	zhongshan	PROPN
fbem-1666	10	57	and	and	CCONJ
fbem-1666	10	58	zhuhai	zhuhai	PROPN
fbem-1666	10	59	)	)	PUNCT
fbem-1666	10	60	enjoys	enjoy	VERB
fbem-1666	10	61	obvious	obvious	ADJ
fbem-1666	10	62	regional	regional	ADJ
fbem-1666	10	63	advantages	advantage	NOUN
fbem-1666	10	64	,	,	PUNCT
fbem-1666	10	65	strong	strong	ADJ
fbem-1666	10	66	economic	economic	ADJ
fbem-1666	10	67	strength	strength	NOUN
fbem-1666	10	68	,	,	PUNCT
fbem-1666	10	69	aggregation	aggregation	NOUN
fbem-1666	10	70	of	of	ADP
fbem-1666	10	71	innovation	innovation	NOUN
fbem-1666	10	72	factors	factor	NOUN
fbem-1666	10	73	,	,	PUNCT
fbem-1666	10	74	leading	lead	VERB
fbem-1666	10	75	internationalization	internationalization	NOUN
fbem-1666	10	76	level	level	NOUN
fbem-1666	10	77	,	,	PUNCT
fbem-1666	10	78	and	and	CCONJ
fbem-1666	10	79	a	a	DET
fbem-1666	10	80	sound	sound	NOUN
fbem-1666	10	81	cooperation	cooperation	NOUN
fbem-1666	10	82	foundation	foundation	NOUN
fbem-1666	10	83	.	.	PUNCT
fbem-1666	11	1	as	as	ADP
fbem-1666	11	2	one	one	NUM
fbem-1666	11	3	of	of	ADP
fbem-1666	11	4	the	the	DET
fbem-1666	11	5	most	most	ADV
fbem-1666	11	6	open	open	ADJ
fbem-1666	11	7	and	and	CCONJ
fbem-1666	11	8	dynamic	dynamic	ADJ
fbem-1666	11	9	regions	region	NOUN
fbem-1666	11	10	in	in	ADP
fbem-1666	11	11	china	china	PROPN
fbem-1666	11	12	,	,	PUNCT
fbem-1666	11	13	gba	gba	PROPN
fbem-1666	11	14	plays	play	VERB
fbem-1666	11	15	an	an	DET
fbem-1666	11	16	important	important	ADJ
fbem-1666	11	17	strategic	strategic	ADJ
fbem-1666	11	18	role	role	NOUN
fbem-1666	11	19	in	in	ADP
fbem-1666	11	20	the	the	DET
fbem-1666	11	21	overall	overall	ADJ
fbem-1666	11	22	development	development	NOUN
fbem-1666	11	23	of	of	ADP
fbem-1666	11	24	the	the	DET
fbem-1666	11	25	country	country	NOUN
fbem-1666	11	26	.	.	PUNCT
fbem-1666	12	1	the	the	DET
fbem-1666	12	2	development	development	NOUN
fbem-1666	12	3	of	of	ADP
fbem-1666	12	4	it	it	PRON
fbem-1666	12	5	has	have	AUX
fbem-1666	12	6	been	be	AUX
fbem-1666	12	7	included	include	VERB
fbem-1666	12	8	in	in	ADP
fbem-1666	12	9	the	the	DET
fbem-1666	12	10	development	development	NOUN
fbem-1666	12	11	plan	plan	NOUN
fbem-1666	12	12	(	(	PUNCT
fbem-1666	12	13	in	in	ADP
fbem-1666	12	14	2005	2005	NUM
fbem-1666	12	15	,	,	PUNCT
fbem-1666	12	16	the	the	DET
fbem-1666	12	17	guangdong	guangdong	PROPN
fbem-1666	12	18	provincial	provincial	ADJ
fbem-1666	12	19	government	government	NOUN
fbem-1666	12	20	designed	design	VERB
fbem-1666	12	21	“	"	PUNCT
fbem-1666	12	22	guangdong	guangdong	PROPN
fbem-1666	12	23	-	-	PUNCT
fbem-1666	12	24	hong	hong	PROPN
fbem-1666	12	25	kongmacao	kongmacao	PROPN
fbem-1666	12	26	cross	cross	PROPN
fbem-1666	12	27	-	-	ADJ
fbem-1666	12	28	boundary	boundary	ADJ
fbem-1666	12	29	cooperation	cooperation	NOUN
fbem-1666	12	30	and	and	CCONJ
fbem-1666	12	31	development	development	NOUN
fbem-1666	12	32	area	area	NOUN
fbem-1666	12	33	”	"	PUNCT
fbem-1666	12	34	in	in	ADP
fbem-1666	12	35	the	the	DET
fbem-1666	12	36	《	《	NUM
fbem-1666	12	37	urban	urban	ADJ
fbem-1666	12	38	agglomeration	agglomeration	NOUN
fbem-1666	12	39	coordinated	coordinate	VERB
fbem-1666	12	40	development	development	NOUN
fbem-1666	12	41	plan	plan	NOUN
fbem-1666	12	42	of	of	ADP
fbem-1666	12	43	pearl	pearl	PROPN
fbem-1666	12	44	river	river	PROPN
fbem-1666	12	45	delta	delta	NOUN
fbem-1666	12	46	》	》	NOUN
fbem-1666	12	47	.	.	PUNCT
fbem-1666	13	1	subsequently	subsequently	ADV
fbem-1666	13	2	,	,	PUNCT
fbem-1666	13	3	the	the	DET
fbem-1666	13	4	concept	concept	NOUN
fbem-1666	13	5	of	of	ADP
fbem-1666	13	6	“	"	PUNCT
fbem-1666	13	7	bay	bay	NOUN
fbem-1666	13	8	area	area	NOUN
fbem-1666	13	9	”	"	PUNCT
fbem-1666	13	10	has	have	AUX
fbem-1666	13	11	been	be	AUX
fbem-1666	13	12	written	write	VERB
fbem-1666	13	13	into	into	ADP
fbem-1666	13	14	several	several	ADJ
fbem-1666	13	15	local	local	ADJ
fbem-1666	13	16	development	development	NOUN
fbem-1666	13	17	documents	document	NOUN
fbem-1666	13	18	)	)	PUNCT
fbem-1666	13	19	of	of	ADP
fbem-1666	13	20	guangdong	guangdong	PROPN
fbem-1666	13	21	since	since	SCONJ
fbem-1666	13	22	2005	2005	NUM
fbem-1666	13	23	,	,	PUNCT
fbem-1666	13	24	when	when	SCONJ
fbem-1666	13	25	the	the	DET
fbem-1666	13	26	guangdong	guangdong	PROPN
fbem-1666	13	27	government	government	NOUN
fbem-1666	13	28	clearly	clearly	ADV
fbem-1666	13	29	designed	design	VERB
fbem-1666	13	30	the	the	DET
fbem-1666	13	31	“	"	PUNCT
fbem-1666	13	32	guangdong	guangdong	PROPN
fbem-1666	13	33	-	-	PUNCT
fbem-1666	13	34	hong	hong	PROPN
fbem-1666	13	35	kong	kong	PROPN
fbem-1666	13	36	-	-	PUNCT
fbem-1666	13	37	macao	macao	PROPN
fbem-1666	13	38	crossboundary	crossboundary	ADJ
fbem-1666	13	39	cooperation	cooperation	NOUN
fbem-1666	13	40	and	and	CCONJ
fbem-1666	13	41	development	development	NOUN
fbem-1666	13	42	area	area	NOUN
fbem-1666	13	43	”	"	PUNCT
fbem-1666	13	44	.	.	PUNCT
fbem-1666	14	1	over	over	ADP
fbem-1666	14	2	the	the	DET
fbem-1666	14	3	next	next	ADJ
fbem-1666	14	4	dozen	dozen	NOUN
fbem-1666	14	5	years	year	NOUN
fbem-1666	14	6	,	,	PUNCT
fbem-1666	14	7	gba	gba	PROPN
fbem-1666	14	8	has	have	AUX
fbem-1666	14	9	become	become	VERB
fbem-1666	14	10	a	a	DET
fbem-1666	14	11	national	national	ADJ
fbem-1666	14	12	development	development	NOUN
fbem-1666	14	13	strategy	strategy	NOUN
fbem-1666	14	14	and	and	CCONJ
fbem-1666	14	15	has	have	AUX
fbem-1666	14	16	gradually	gradually	ADV
fbem-1666	14	17	developed	develop	VERB
fbem-1666	14	18	into	into	ADP
fbem-1666	14	19	an	an	DET
fbem-1666	14	20	international	international	ADJ
fbem-1666	14	21	first	first	ADJ
fbem-1666	14	22	-	-	PUNCT
fbem-1666	14	23	class	class	NOUN
fbem-1666	14	24	bay	bay	NOUN
fbem-1666	14	25	area	area	NOUN
fbem-1666	14	26	.	.	PUNCT
fbem-1666	15	1	according	accord	VERB
fbem-1666	15	2	to	to	ADP
fbem-1666	15	3	“	"	PUNCT
fbem-1666	15	4	outline	outline	VERB
fbem-1666	15	5	development	development	NOUN
fbem-1666	15	6	plan	plan	NOUN
fbem-1666	15	7	for	for	ADP
fbem-1666	15	8	the	the	DET
fbem-1666	15	9	gba	gba	NOUN
fbem-1666	15	10	”	"	PUNCT
fbem-1666	15	11	released	release	VERB
fbem-1666	15	12	by	by	ADP
fbem-1666	15	13	the	the	DET
fbem-1666	15	14	state	state	PROPN
fbem-1666	15	15	council	council	PROPN
fbem-1666	15	16	in	in	ADP
fbem-1666	15	17	2019	2019	NUM
fbem-1666	15	18	,	,	PUNCT
fbem-1666	15	19	gba	gba	NOUN
fbem-1666	15	20	as	as	ADP
fbem-1666	15	21	one	one	NUM
fbem-1666	15	22	pole	pole	NOUN
fbem-1666	15	23	of	of	ADP
fbem-1666	15	24	china	china	PROPN
fbem-1666	15	25	’s	’s	PART
fbem-1666	15	26	economic	economic	ADJ
fbem-1666	15	27	growth	growth	NOUN
fbem-1666	15	28	will	will	AUX
fbem-1666	15	29	become	become	VERB
fbem-1666	15	30	a	a	DET
fbem-1666	15	31	worldclass	worldclass	ADJ
fbem-1666	15	32	city	city	NOUN
fbem-1666	15	33	cluster	cluster	NOUN
fbem-1666	15	34	.	.	PUNCT
fbem-1666	16	1	the	the	DET
fbem-1666	16	2	11	11	NUM
fbem-1666	16	3	cities	city	NOUN
fbem-1666	16	4	in	in	ADP
fbem-1666	16	5	gba	gba	PROPN
fbem-1666	16	6	have	have	VERB
fbem-1666	16	7	a	a	DET
fbem-1666	16	8	population	population	NOUN
fbem-1666	16	9	of	of	ADP
fbem-1666	16	10	more	more	ADJ
fbem-1666	16	11	than	than	ADP
fbem-1666	16	12	80	80	NUM
fbem-1666	16	13	million	million	NUM
fbem-1666	16	14	,	,	PUNCT
fbem-1666	16	15	with	with	ADP
fbem-1666	16	16	around	around	ADP
fbem-1666	16	17	12.6	12.6	NUM
fbem-1666	16	18	trillion	trillion	NUM
fbem-1666	16	19	yuan	yuan	NOUN
fbem-1666	16	20	economic	economic	ADJ
fbem-1666	16	21	aggregate	aggregate	NOUN
fbem-1666	16	22	,	,	PUNCT
fbem-1666	16	23	making	make	VERB
fbem-1666	16	24	it	it	PRON
fbem-1666	16	25	one	one	NUM
fbem-1666	16	26	of	of	ADP
fbem-1666	16	27	the	the	DET
fbem-1666	16	28	most	most	ADV
fbem-1666	16	29	open	open	ADJ
fbem-1666	16	30	and	and	CCONJ
fbem-1666	16	31	dynamic	dynamic	ADJ
fbem-1666	16	32	regions	region	NOUN
fbem-1666	16	33	in	in	ADP
fbem-1666	16	34	china	china	PROPN
fbem-1666	16	35	.	.	PUNCT
fbem-1666	17	1	therefore	therefore	ADV
fbem-1666	17	2	,	,	PUNCT
fbem-1666	17	3	as	as	ADP
fbem-1666	17	4	a	a	DET
fbem-1666	17	5	landmark	landmark	NOUN
fbem-1666	17	6	regional	regional	ADJ
fbem-1666	17	7	development	development	NOUN
fbem-1666	17	8	in	in	ADP
fbem-1666	17	9	the	the	DET
fbem-1666	17	10	world	world	NOUN
fbem-1666	17	11	,	,	PUNCT
fbem-1666	17	12	it	it	PRON
fbem-1666	17	13	is	be	AUX
fbem-1666	17	14	necessary	necessary	ADJ
fbem-1666	17	15	to	to	PART
fbem-1666	17	16	research	research	VERB
fbem-1666	17	17	its	its	PRON
fbem-1666	17	18	intercity	intercity	NOUN
fbem-1666	17	19	cooperation	cooperation	NOUN
fbem-1666	17	20	effect	effect	NOUN
fbem-1666	17	21	.	.	PUNCT
fbem-1666	18	1	fig	fig	NOUN
fbem-1666	18	2	.	.	PUNCT
fbem-1666	19	1	1	1	NUM
fbem-1666	19	2	(	(	PUNCT
fbem-1666	19	3	the	the	DET
fbem-1666	19	4	data	data	NOUN
fbem-1666	19	5	comes	come	VERB
fbem-1666	19	6	from	from	ADP
fbem-1666	19	7	https://thinktank.phbs.pku.edu.cn/	https://thinktank.phbs.pku.edu.cn/	ADJ
fbem-1666	19	8	and	and	CCONJ
fbem-1666	19	9	www.stats.gov.cn/.	www.stats.gov.cn/.	NUM
fbem-1666	19	10	)	)	PUNCT
fbem-1666	19	11	displays	display	VERB
fbem-1666	19	12	the	the	DET
fbem-1666	19	13	total	total	ADJ
fbem-1666	19	14	annual	annual	ADJ
fbem-1666	19	15	gdp	gdp	NOUN
fbem-1666	19	16	of	of	ADP
fbem-1666	19	17	gba	gba	PROPN
fbem-1666	19	18	and	and	CCONJ
fbem-1666	19	19	its	its	PRON
fbem-1666	19	20	proportion	proportion	NOUN
fbem-1666	19	21	to	to	ADP
fbem-1666	19	22	the	the	DET
fbem-1666	19	23	national	national	ADJ
fbem-1666	19	24	annual	annual	ADJ
fbem-1666	19	25	gdp	gdp	NOUN
fbem-1666	19	26	,	,	PUNCT
fbem-1666	19	27	showing	show	VERB
fbem-1666	19	28	the	the	DET
fbem-1666	19	29	rapid	rapid	ADJ
fbem-1666	19	30	economic	economic	ADJ
fbem-1666	19	31	development	development	NOUN
fbem-1666	19	32	of	of	ADP
fbem-1666	19	33	gba	gba	PROPN
fbem-1666	19	34	in	in	ADP
fbem-1666	19	35	the	the	DET
fbem-1666	19	36	past	past	ADJ
fbem-1666	19	37	decade	decade	NOUN
fbem-1666	19	38	.	.	PUNCT
fbem-1666	20	1	figure	figure	NOUN
fbem-1666	20	2	1	1	NUM
fbem-1666	20	3	.	.	PUNCT
fbem-1666	21	1	yearly	yearly	PROPN
fbem-1666	21	2	gdp	gdp	NOUN
fbem-1666	21	3	of	of	ADP
fbem-1666	21	4	gba	gba	PROPN
fbem-1666	21	5	and	and	CCONJ
fbem-1666	21	6	china	china	PROPN
fbem-1666	21	7	regional	regional	ADJ
fbem-1666	21	8	cooperation	cooperation	NOUN
fbem-1666	21	9	is	be	AUX
fbem-1666	21	10	not	not	PART
fbem-1666	21	11	just	just	ADV
fbem-1666	21	12	indispensable	indispensable	ADJ
fbem-1666	21	13	access	access	NOUN
fbem-1666	21	14	to	to	PART
fbem-1666	21	15	realize	realize	VERB
fbem-1666	21	16	the	the	DET
fbem-1666	21	17	coordinated	coordinated	ADJ
fbem-1666	21	18	development	development	NOUN
fbem-1666	21	19	of	of	ADP
fbem-1666	21	20	urban	urban	ADJ
fbem-1666	21	21	agglomerations	agglomeration	NOUN
fbem-1666	21	22	(	(	PUNCT
fbem-1666	21	23	coordinated	coordinate	VERB
fbem-1666	21	24	urban	urban	ADJ
fbem-1666	21	25	development	development	NOUN
fbem-1666	21	26	refers	refer	VERB
fbem-1666	21	27	to	to	ADP
fbem-1666	21	28	the	the	DET
fbem-1666	21	29	division	division	NOUN
fbem-1666	21	30	of	of	ADP
fbem-1666	21	31	labor	labor	NOUN
fbem-1666	21	32	and	and	CCONJ
fbem-1666	21	33	cooperation	cooperation	NOUN
fbem-1666	21	34	,	,	PUNCT
fbem-1666	21	35	complementary	complementary	ADJ
fbem-1666	21	36	functions	function	NOUN
fbem-1666	21	37	,	,	PUNCT
fbem-1666	21	38	close	close	ADJ
fbem-1666	21	39	connections	connection	NOUN
fbem-1666	21	40	among	among	ADP
fbem-1666	21	41	cities	city	NOUN
fbem-1666	21	42	.	.	PUNCT
fbem-1666	22	1	cooperation	cooperation	NOUN
fbem-1666	22	2	between	between	ADP
fbem-1666	22	3	cities	city	NOUN
fbem-1666	22	4	create	create	VERB
fbem-1666	22	5	mutual	mutual	ADJ
fbem-1666	22	6	benefits	benefit	NOUN
fbem-1666	22	7	with	with	ADP
fbem-1666	22	8	lower	low	ADJ
fbem-1666	22	9	costs	cost	NOUN
fbem-1666	22	10	and	and	CCONJ
fbem-1666	22	11	higher	high	ADJ
fbem-1666	22	12	efficiency	efficiency	NOUN
fbem-1666	22	13	.	.	PUNCT
fbem-1666	23	1	besides	besides	SCONJ
fbem-1666	23	2	,	,	PUNCT
fbem-1666	23	3	it	it	PRON
fbem-1666	23	4	can	can	AUX
fbem-1666	23	5	improve	improve	VERB
fbem-1666	23	6	the	the	DET
fbem-1666	23	7	overall	overall	ADJ
fbem-1666	23	8	competitiveness	competitiveness	NOUN
fbem-1666	23	9	of	of	ADP
fbem-1666	23	10	urban	urban	ADJ
fbem-1666	23	11	agglomeration	agglomeration	NOUN
fbem-1666	23	12	.	.	PUNCT
fbem-1666	23	13	)	)	PUNCT
fbem-1666	23	14	,	,	PUNCT
fbem-1666	23	15	but	but	CCONJ
fbem-1666	23	16	also	also	ADV
fbem-1666	23	17	an	an	DET
fbem-1666	23	18	important	important	ADJ
fbem-1666	23	19	measure	measure	NOUN
fbem-1666	23	20	to	to	PART
fbem-1666	23	21	promote	promote	VERB
fbem-1666	23	22	the	the	DET
fbem-1666	23	23	high	high	ADJ
fbem-1666	23	24	-	-	PUNCT
fbem-1666	23	25	quality	quality	NOUN
fbem-1666	23	26	development	development	NOUN
fbem-1666	23	27	of	of	ADP
fbem-1666	23	28	cities	city	NOUN
fbem-1666	23	29	in	in	ADP
fbem-1666	23	30	urban	urban	ADJ
fbem-1666	23	31	agglomerations	agglomeration	NOUN
fbem-1666	23	32	.	.	PUNCT
fbem-1666	24	1	as	as	ADP
fbem-1666	24	2	a	a	DET
fbem-1666	24	3	representative	representative	ADJ
fbem-1666	24	4	urban	urban	ADJ
fbem-1666	24	5	agglomeration	agglomeration	NOUN
fbem-1666	24	6	68	68	NUM
fbem-1666	24	7	cooperation	cooperation	NOUN
fbem-1666	24	8	region	region	NOUN
fbem-1666	24	9	,	,	PUNCT
fbem-1666	24	10	gba	gba	PROPN
fbem-1666	24	11	has	have	AUX
fbem-1666	24	12	established	establish	VERB
fbem-1666	24	13	three	three	NUM
fbem-1666	24	14	free	free	ADJ
fbem-1666	24	15	trade	trade	NOUN
fbem-1666	24	16	zones	zone	NOUN
fbem-1666	24	17	--	--	PUNCT
fbem-1666	24	18	nansha	nansha	PROPN
fbem-1666	24	19	,	,	PUNCT
fbem-1666	24	20	qinhai	qinhai	PROPN
fbem-1666	24	21	and	and	CCONJ
fbem-1666	24	22	hengqin	hengqin	PROPN
fbem-1666	24	23	--	--	PUNCT
fbem-1666	24	24	to	to	PART
fbem-1666	24	25	jointly	jointly	ADV
fbem-1666	24	26	build	build	VERB
fbem-1666	24	27	a	a	DET
fbem-1666	24	28	hub	hub	NOUN
fbem-1666	24	29	for	for	ADP
fbem-1666	24	30	opening	opening	NOUN
fbem-1666	24	31	-	-	PUNCT
fbem-1666	24	32	up	up	NOUN
fbem-1666	24	33	.	.	PUNCT
fbem-1666	25	1	apart	apart	ADV
fbem-1666	25	2	from	from	ADP
fbem-1666	25	3	regional	regional	ADJ
fbem-1666	25	4	economic	economic	ADJ
fbem-1666	25	5	cooperation	cooperation	NOUN
fbem-1666	25	6	construction	construction	NOUN
fbem-1666	25	7	,	,	PUNCT
fbem-1666	25	8	it	it	PRON
fbem-1666	25	9	accelerates	accelerate	VERB
fbem-1666	25	10	infrastructure	infrastructure	NOUN
fbem-1666	25	11	connectivity	connectivity	NOUN
fbem-1666	25	12	,	,	PUNCT
fbem-1666	25	13	building	build	VERB
fbem-1666	25	14	a	a	DET
fbem-1666	25	15	modern	modern	ADJ
fbem-1666	25	16	and	and	CCONJ
fbem-1666	25	17	integrated	integrated	ADJ
fbem-1666	25	18	transport	transport	NOUN
fbem-1666	25	19	system	system	NOUN
fbem-1666	25	20	,	,	PUNCT
fbem-1666	25	21	improving	improve	VERB
fbem-1666	25	22	the	the	DET
fbem-1666	25	23	information	information	NOUN
fbem-1666	25	24	infrastructure	infrastructure	NOUN
fbem-1666	25	25	,	,	PUNCT
fbem-1666	25	26	to	to	PART
fbem-1666	25	27	strengthen	strengthen	VERB
fbem-1666	25	28	cooperation	cooperation	NOUN
fbem-1666	25	29	among	among	ADP
fbem-1666	25	30	the	the	DET
fbem-1666	25	31	11	11	NUM
fbem-1666	25	32	cities	city	NOUN
fbem-1666	25	33	.	.	PUNCT
fbem-1666	26	1	surprisingly	surprisingly	ADV
fbem-1666	26	2	,	,	PUNCT
fbem-1666	26	3	we	we	PRON
fbem-1666	26	4	find	find	VERB
fbem-1666	26	5	that	that	SCONJ
fbem-1666	26	6	there	there	PRON
fbem-1666	26	7	are	be	VERB
fbem-1666	26	8	not	not	PART
fbem-1666	26	9	lot	lot	NOUN
fbem-1666	26	10	of	of	ADP
fbem-1666	26	11	papers	paper	NOUN
fbem-1666	26	12	that	that	PRON
fbem-1666	26	13	provide	provide	VERB
fbem-1666	26	14	a	a	DET
fbem-1666	26	15	comprehensive	comprehensive	ADJ
fbem-1666	26	16	review	review	NOUN
fbem-1666	26	17	with	with	ADP
fbem-1666	26	18	empirical	empirical	ADJ
fbem-1666	26	19	evidence	evidence	NOUN
fbem-1666	26	20	in	in	ADP
fbem-1666	26	21	exploring	explore	VERB
fbem-1666	26	22	the	the	DET
fbem-1666	26	23	impact	impact	NOUN
fbem-1666	26	24	of	of	ADP
fbem-1666	26	25	inter	inter	ADJ
fbem-1666	26	26	-	-	ADJ
fbem-1666	26	27	city	city	ADJ
fbem-1666	26	28	cooperation	cooperation	NOUN
fbem-1666	26	29	on	on	ADP
fbem-1666	26	30	the	the	DET
fbem-1666	26	31	local	local	ADJ
fbem-1666	26	32	economy	economy	NOUN
fbem-1666	26	33	and	and	CCONJ
fbem-1666	26	34	environment	environment	NOUN
fbem-1666	26	35	quantitatively	quantitatively	ADV
fbem-1666	26	36	.	.	PUNCT
fbem-1666	27	1	thus	thus	ADV
fbem-1666	27	2	,	,	PUNCT
fbem-1666	27	3	it	it	PRON
fbem-1666	27	4	is	be	AUX
fbem-1666	27	5	noteworthy	noteworthy	ADJ
fbem-1666	27	6	to	to	PART
fbem-1666	27	7	study	study	VERB
fbem-1666	27	8	the	the	DET
fbem-1666	27	9	inter	inter	ADJ
fbem-1666	27	10	-	-	ADJ
fbem-1666	27	11	city	city	ADJ
fbem-1666	27	12	cooperation	cooperation	NOUN
fbem-1666	27	13	in	in	ADP
fbem-1666	27	14	gba	gba	NOUN
fbem-1666	27	15	and	and	CCONJ
fbem-1666	27	16	explore	explore	VERB
fbem-1666	27	17	a	a	DET
fbem-1666	27	18	potentially	potentially	ADV
fbem-1666	27	19	optimal	optimal	ADJ
fbem-1666	27	20	pathway	pathway	NOUN
fbem-1666	27	21	to	to	PART
fbem-1666	27	22	strategically	strategically	ADV
fbem-1666	27	23	collaborate	collaborate	VERB
fbem-1666	27	24	with	with	ADP
fbem-1666	27	25	other	other	ADJ
fbem-1666	27	26	cities	city	NOUN
fbem-1666	27	27	.	.	PUNCT
fbem-1666	28	1	this	this	DET
fbem-1666	28	2	paper	paper	NOUN
fbem-1666	28	3	seeks	seek	VERB
fbem-1666	28	4	to	to	PART
fbem-1666	28	5	fill	fill	VERB
fbem-1666	28	6	that	that	DET
fbem-1666	28	7	gap	gap	NOUN
fbem-1666	28	8	in	in	ADP
fbem-1666	28	9	the	the	DET
fbem-1666	28	10	context	context	NOUN
fbem-1666	28	11	of	of	ADP
fbem-1666	28	12	china	china	PROPN
fbem-1666	28	13	's	's	PART
fbem-1666	28	14	most	most	ADV
fbem-1666	28	15	dynamic	dynamic	ADJ
fbem-1666	28	16	inter	inter	ADJ
fbem-1666	28	17	-	-	ADJ
fbem-1666	28	18	city	city	ADJ
fbem-1666	28	19	cooperation	cooperation	NOUN
fbem-1666	28	20	area	area	NOUN
fbem-1666	28	21	,	,	PUNCT
fbem-1666	28	22	gba	gba	PROPN
fbem-1666	28	23	.	.	PROPN
fbem-1666	29	1	to	to	ADP
fbem-1666	29	2	this	this	DET
fbem-1666	29	3	end	end	NOUN
fbem-1666	29	4	,	,	PUNCT
fbem-1666	29	5	we	we	PRON
fbem-1666	29	6	,	,	PUNCT
fbem-1666	29	7	firstly	firstly	ADV
fbem-1666	29	8	,	,	PUNCT
fbem-1666	29	9	collected	collect	VERB
fbem-1666	29	10	data	datum	NOUN
fbem-1666	29	11	on	on	ADP
fbem-1666	29	12	the	the	DET
fbem-1666	29	13	number	number	NOUN
fbem-1666	29	14	of	of	ADP
fbem-1666	29	15	cooperation	cooperation	NOUN
fbem-1666	29	16	between	between	ADP
fbem-1666	29	17	cities	city	NOUN
fbem-1666	29	18	and	and	CCONJ
fbem-1666	29	19	measurable	measurable	ADJ
fbem-1666	29	20	economic	economic	ADJ
fbem-1666	29	21	and	and	CCONJ
fbem-1666	29	22	environmental	environmental	ADJ
fbem-1666	29	23	indicators	indicator	NOUN
fbem-1666	29	24	of	of	ADP
fbem-1666	29	25	the	the	DET
fbem-1666	29	26	11	11	NUM
fbem-1666	29	27	cities	city	NOUN
fbem-1666	29	28	in	in	ADP
fbem-1666	29	29	gba	gba	PROPN
fbem-1666	29	30	from	from	ADP
fbem-1666	29	31	2010	2010	NUM
fbem-1666	29	32	to	to	ADP
fbem-1666	29	33	2019	2019	NUM
fbem-1666	29	34	through	through	ADP
fbem-1666	29	35	reliable	reliable	ADJ
fbem-1666	29	36	sources	source	NOUN
fbem-1666	29	37	.	.	PUNCT
fbem-1666	30	1	in	in	ADP
fbem-1666	30	2	the	the	DET
fbem-1666	30	3	next	next	ADJ
fbem-1666	30	4	place	place	NOUN
fbem-1666	30	5	,	,	PUNCT
fbem-1666	30	6	we	we	PRON
fbem-1666	30	7	established	establish	VERB
fbem-1666	30	8	a	a	DET
fbem-1666	30	9	fixed	fix	VERB
fbem-1666	30	10	effects	effect	NOUN
fbem-1666	30	11	model	model	NOUN
fbem-1666	30	12	to	to	PART
fbem-1666	30	13	quantitatively	quantitatively	ADV
fbem-1666	30	14	analyze	analyze	VERB
fbem-1666	30	15	the	the	DET
fbem-1666	30	16	specific	specific	ADJ
fbem-1666	30	17	impact	impact	NOUN
fbem-1666	30	18	of	of	ADP
fbem-1666	30	19	the	the	DET
fbem-1666	30	20	number	number	NOUN
fbem-1666	30	21	of	of	ADP
fbem-1666	30	22	inter	inter	ADJ
fbem-1666	30	23	-	-	ADJ
fbem-1666	30	24	city	city	ADJ
fbem-1666	30	25	cooperation	cooperation	NOUN
fbem-1666	30	26	on	on	ADP
fbem-1666	30	27	gdp	gdp	NOUN
fbem-1666	30	28	per	per	ADP
fbem-1666	30	29	capita	capita	NOUN
fbem-1666	30	30	,	,	PUNCT
fbem-1666	30	31	pm10	pm10	PROPN
fbem-1666	30	32	concentration	concentration	NOUN
fbem-1666	30	33	,	,	PUNCT
fbem-1666	30	34	and	and	CCONJ
fbem-1666	30	35	pm2.5	pm2.5	DET
fbem-1666	30	36	concentration	concentration	NOUN
fbem-1666	30	37	.	.	PUNCT
fbem-1666	31	1	in	in	ADP
fbem-1666	31	2	this	this	DET
fbem-1666	31	3	process	process	NOUN
fbem-1666	31	4	,	,	PUNCT
fbem-1666	31	5	considering	consider	VERB
fbem-1666	31	6	vehicle	vehicle	NOUN
fbem-1666	31	7	exhaust	exhaust	NOUN
fbem-1666	31	8	affects	affect	VERB
fbem-1666	31	9	environmental	environmental	ADJ
fbem-1666	31	10	quality	quality	NOUN
fbem-1666	31	11	and	and	CCONJ
fbem-1666	31	12	economic	economic	ADJ
fbem-1666	31	13	benefits	benefit	NOUN
fbem-1666	31	14	,	,	PUNCT
fbem-1666	31	15	we	we	PRON
fbem-1666	31	16	added	add	VERB
fbem-1666	31	17	per	per	ADP
fbem-1666	31	18	capita	capita	X
fbem-1666	31	19	car	car	NOUN
fbem-1666	31	20	ownership	ownership	NOUN
fbem-1666	31	21	as	as	ADP
fbem-1666	31	22	one	one	NUM
fbem-1666	31	23	of	of	ADP
fbem-1666	31	24	the	the	DET
fbem-1666	31	25	independent	independent	ADJ
fbem-1666	31	26	variables	variable	NOUN
fbem-1666	31	27	.	.	PUNCT
fbem-1666	32	1	in	in	ADP
fbem-1666	32	2	addition	addition	NOUN
fbem-1666	32	3	to	to	ADP
fbem-1666	32	4	that	that	PRON
fbem-1666	32	5	,	,	PUNCT
fbem-1666	32	6	the	the	DET
fbem-1666	32	7	distance	distance	NOUN
fbem-1666	32	8	between	between	ADP
fbem-1666	32	9	cities	city	NOUN
fbem-1666	32	10	was	be	AUX
fbem-1666	32	11	introduced	introduce	VERB
fbem-1666	32	12	as	as	ADP
fbem-1666	32	13	an	an	DET
fbem-1666	32	14	instrumental	instrumental	ADJ
fbem-1666	32	15	variable	variable	NOUN
fbem-1666	32	16	to	to	PART
fbem-1666	32	17	alleviate	alleviate	VERB
fbem-1666	32	18	the	the	DET
fbem-1666	32	19	issue	issue	NOUN
fbem-1666	32	20	of	of	ADP
fbem-1666	32	21	endogeneity	endogeneity	NOUN
fbem-1666	32	22	(	(	PUNCT
fbem-1666	32	23	endogeneity	endogeneity	NOUN
fbem-1666	32	24	refers	refer	VERB
fbem-1666	32	25	to	to	ADP
fbem-1666	32	26	the	the	DET
fbem-1666	32	27	correlation	correlation	NOUN
fbem-1666	32	28	between	between	ADP
fbem-1666	32	29	explanatory	explanatory	ADJ
fbem-1666	32	30	variables	variable	NOUN
fbem-1666	32	31	and	and	CCONJ
fbem-1666	32	32	error	error	NOUN
fbem-1666	32	33	terms	term	NOUN
fbem-1666	32	34	in	in	ADP
fbem-1666	32	35	regression	regression	NOUN
fbem-1666	32	36	models	model	NOUN
fbem-1666	32	37	.	.	PUNCT
fbem-1666	33	1	when	when	SCONJ
fbem-1666	33	2	endogeneity	endogeneity	NOUN
fbem-1666	33	3	occurs	occur	VERB
fbem-1666	33	4	,	,	PUNCT
fbem-1666	33	5	the	the	DET
fbem-1666	33	6	common	common	ADJ
fbem-1666	33	7	linear	linear	NOUN
fbem-1666	33	8	models	model	NOUN
fbem-1666	33	9	will	will	AUX
fbem-1666	33	10	have	have	VERB
fbem-1666	33	11	inconsistent	inconsistent	ADJ
fbem-1666	33	12	estimators	estimator	NOUN
fbem-1666	33	13	.	.	PUNCT
fbem-1666	34	1	through	through	ADP
fbem-1666	34	2	using	use	VERB
fbem-1666	34	3	instrumental	instrumental	ADJ
fbem-1666	34	4	variables	variable	NOUN
fbem-1666	34	5	,	,	PUNCT
fbem-1666	34	6	consistent	consistent	ADJ
fbem-1666	34	7	estimators	estimator	NOUN
fbem-1666	34	8	can	can	AUX
fbem-1666	34	9	be	be	AUX
fbem-1666	34	10	obtained	obtain	VERB
fbem-1666	34	11	)	)	PUNCT
fbem-1666	34	12	.	.	PUNCT
fbem-1666	35	1	the	the	DET
fbem-1666	35	2	main	main	ADJ
fbem-1666	35	3	finding	finding	NOUN
fbem-1666	35	4	in	in	ADP
fbem-1666	35	5	this	this	DET
fbem-1666	35	6	paper	paper	NOUN
fbem-1666	35	7	is	be	AUX
fbem-1666	35	8	that	that	SCONJ
fbem-1666	35	9	,	,	PUNCT
fbem-1666	35	10	holding	hold	VERB
fbem-1666	35	11	other	other	ADJ
fbem-1666	35	12	things	thing	NOUN
fbem-1666	35	13	equal	equal	ADJ
fbem-1666	35	14	,	,	PUNCT
fbem-1666	35	15	each	each	DET
fbem-1666	35	16	time	time	NOUN
fbem-1666	35	17	increase	increase	NOUN
fbem-1666	35	18	in	in	ADP
fbem-1666	35	19	the	the	DET
fbem-1666	35	20	cooperation	cooperation	NOUN
fbem-1666	35	21	between	between	ADP
fbem-1666	35	22	cities	city	NOUN
fbem-1666	35	23	raises	raise	VERB
fbem-1666	35	24	gdp	gdp	NOUN
fbem-1666	35	25	per	per	ADP
fbem-1666	35	26	capita	capita	NOUN
fbem-1666	35	27	by	by	ADP
fbem-1666	35	28	180	180	NUM
fbem-1666	35	29	%	%	NOUN
fbem-1666	35	30	.	.	PUNCT
fbem-1666	36	1	in	in	ADP
fbem-1666	36	2	the	the	DET
fbem-1666	36	3	meantime	meantime	NOUN
fbem-1666	36	4	,	,	PUNCT
fbem-1666	36	5	the	the	DET
fbem-1666	36	6	concentration	concentration	NOUN
fbem-1666	36	7	of	of	ADP
fbem-1666	36	8	pm	pm	NOUN
fbem-1666	36	9	10	10	NUM
fbem-1666	36	10	and	and	CCONJ
fbem-1666	36	11	pm2.5	pm2.5	PROPN
fbem-1666	36	12	decreased	decrease	VERB
fbem-1666	36	13	by	by	ADP
fbem-1666	36	14	3.8	3.8	NUM
fbem-1666	36	15	%	%	NOUN
fbem-1666	36	16	and	and	CCONJ
fbem-1666	36	17	0.97	0.97	NUM
fbem-1666	36	18	%	%	NOUN
fbem-1666	36	19	,	,	PUNCT
fbem-1666	36	20	respectively	respectively	ADV
fbem-1666	36	21	.	.	PUNCT
fbem-1666	37	1	therefore	therefore	ADV
fbem-1666	37	2	,	,	PUNCT
fbem-1666	37	3	we	we	PRON
fbem-1666	37	4	finally	finally	ADV
fbem-1666	37	5	come	come	VERB
fbem-1666	37	6	to	to	ADP
fbem-1666	37	7	a	a	DET
fbem-1666	37	8	conclusion	conclusion	NOUN
fbem-1666	37	9	that	that	SCONJ
fbem-1666	37	10	inter	inter	ADJ
fbem-1666	37	11	-	-	ADJ
fbem-1666	37	12	city	city	ADJ
fbem-1666	37	13	cooperation	cooperation	NOUN
fbem-1666	37	14	in	in	ADP
fbem-1666	37	15	gba	gba	PROPN
fbem-1666	37	16	has	have	AUX
fbem-1666	37	17	a	a	DET
fbem-1666	37	18	positive	positive	ADJ
fbem-1666	37	19	impact	impact	NOUN
fbem-1666	37	20	on	on	ADP
fbem-1666	37	21	the	the	DET
fbem-1666	37	22	local	local	ADJ
fbem-1666	37	23	economy	economy	NOUN
fbem-1666	37	24	and	and	CCONJ
fbem-1666	37	25	environment	environment	NOUN
fbem-1666	37	26	.	.	PUNCT
fbem-1666	38	1	compared	compare	VERB
fbem-1666	38	2	to	to	ADP
fbem-1666	38	3	existing	exist	VERB
fbem-1666	38	4	methods	method	NOUN
fbem-1666	38	5	,	,	PUNCT
fbem-1666	38	6	we	we	PRON
fbem-1666	38	7	improve	improve	VERB
fbem-1666	38	8	in	in	ADP
fbem-1666	38	9	the	the	DET
fbem-1666	38	10	following	following	ADJ
fbem-1666	38	11	ways	way	NOUN
fbem-1666	38	12	.	.	PUNCT
fbem-1666	39	1	first	first	ADV
fbem-1666	39	2	,	,	PUNCT
fbem-1666	39	3	we	we	PRON
fbem-1666	39	4	collect	collect	VERB
fbem-1666	39	5	new	new	ADJ
fbem-1666	39	6	data	datum	NOUN
fbem-1666	39	7	;	;	PUNCT
fbem-1666	39	8	second	second	X
fbem-1666	39	9	,	,	PUNCT
fbem-1666	39	10	we	we	PRON
fbem-1666	39	11	fix	fix	VERB
fbem-1666	39	12	the	the	DET
fbem-1666	39	13	issue	issue	NOUN
fbem-1666	39	14	of	of	ADP
fbem-1666	39	15	potential	potential	ADJ
fbem-1666	39	16	endogeneity	endogeneity	NOUN
fbem-1666	39	17	using	use	VERB
fbem-1666	39	18	the	the	DET
fbem-1666	39	19	distance	distance	NOUN
fbem-1666	39	20	as	as	ADP
fbem-1666	39	21	the	the	DET
fbem-1666	39	22	instrumental	instrumental	ADJ
fbem-1666	39	23	variable	variable	NOUN
fbem-1666	39	24	.	.	PUNCT
fbem-1666	40	1	it	it	PRON
fbem-1666	40	2	contributes	contribute	VERB
fbem-1666	40	3	to	to	ADP
fbem-1666	40	4	solving	solve	VERB
fbem-1666	40	5	the	the	DET
fbem-1666	40	6	endogeneity	endogeneity	NOUN
fbem-1666	40	7	problem	problem	NOUN
fbem-1666	40	8	in	in	ADP
fbem-1666	40	9	a	a	DET
fbem-1666	40	10	reasonable	reasonable	ADJ
fbem-1666	40	11	way	way	NOUN
fbem-1666	40	12	relatively	relatively	ADV
fbem-1666	40	13	.	.	PUNCT
fbem-1666	41	1	the	the	DET
fbem-1666	41	2	remainder	remainder	NOUN
fbem-1666	41	3	of	of	ADP
fbem-1666	41	4	this	this	DET
fbem-1666	41	5	paper	paper	NOUN
fbem-1666	41	6	is	be	AUX
fbem-1666	41	7	organized	organize	VERB
fbem-1666	41	8	as	as	SCONJ
fbem-1666	41	9	follows	follow	VERB
fbem-1666	41	10	.	.	PUNCT
fbem-1666	42	1	section	section	NOUN
fbem-1666	42	2	2	2	NUM
fbem-1666	42	3	briefly	briefly	NOUN
fbem-1666	42	4	reviews	review	VERB
fbem-1666	42	5	the	the	DET
fbem-1666	42	6	relevant	relevant	ADJ
fbem-1666	42	7	literature	literature	NOUN
fbem-1666	42	8	about	about	ADP
fbem-1666	42	9	the	the	DET
fbem-1666	42	10	use	use	NOUN
fbem-1666	42	11	of	of	ADP
fbem-1666	42	12	instrumental	instrumental	ADJ
fbem-1666	42	13	variables	variable	NOUN
fbem-1666	42	14	and	and	CCONJ
fbem-1666	42	15	the	the	DET
fbem-1666	42	16	impact	impact	NOUN
fbem-1666	42	17	of	of	ADP
fbem-1666	42	18	inter	inter	ADJ
fbem-1666	42	19	-	-	ADJ
fbem-1666	42	20	city	city	ADJ
fbem-1666	42	21	cooperation	cooperation	NOUN
fbem-1666	42	22	on	on	ADP
fbem-1666	42	23	gba	gba	PROPN
fbem-1666	42	24	’s	’s	PART
fbem-1666	42	25	economy	economy	NOUN
fbem-1666	42	26	and	and	CCONJ
fbem-1666	42	27	environment	environment	NOUN
fbem-1666	42	28	.	.	PUNCT
fbem-1666	43	1	section	section	NOUN
fbem-1666	43	2	3	3	NUM
fbem-1666	43	3	introduces	introduce	VERB
fbem-1666	43	4	the	the	DET
fbem-1666	43	5	data	datum	NOUN
fbem-1666	43	6	and	and	CCONJ
fbem-1666	43	7	econometric	econometric	ADJ
fbem-1666	43	8	models	model	NOUN
fbem-1666	43	9	in	in	ADP
fbem-1666	43	10	this	this	DET
fbem-1666	43	11	study	study	NOUN
fbem-1666	43	12	.	.	PUNCT
fbem-1666	44	1	the	the	DET
fbem-1666	44	2	specific	specific	ADJ
fbem-1666	44	3	empirical	empirical	ADJ
fbem-1666	44	4	results	result	NOUN
fbem-1666	44	5	are	be	AUX
fbem-1666	44	6	presented	present	VERB
fbem-1666	44	7	in	in	ADP
fbem-1666	44	8	section	section	NOUN
fbem-1666	44	9	4	4	NUM
fbem-1666	44	10	.	.	PUNCT
fbem-1666	45	1	the	the	DET
fbem-1666	45	2	last	last	ADJ
fbem-1666	45	3	section	section	NOUN
fbem-1666	45	4	discusses	discuss	VERB
fbem-1666	45	5	some	some	DET
fbem-1666	45	6	policy	policy	NOUN
fbem-1666	45	7	implications	implication	NOUN
fbem-1666	45	8	and	and	CCONJ
fbem-1666	45	9	provides	provide	VERB
fbem-1666	45	10	some	some	DET
fbem-1666	45	11	concluding	concluding	NOUN
fbem-1666	45	12	remarks	remark	NOUN
fbem-1666	45	13	.	.	PUNCT
fbem-1666	46	1	2	2	X
fbem-1666	46	2	.	.	X
fbem-1666	46	3	literature	literature	NOUN
fbem-1666	46	4	review	review	VERB
fbem-1666	46	5	2.1	2.1	NUM
fbem-1666	46	6	.	.	PUNCT
fbem-1666	47	1	the	the	DET
fbem-1666	47	2	effect	effect	NOUN
fbem-1666	47	3	of	of	ADP
fbem-1666	47	4	inter	inter	ADJ
fbem-1666	47	5	-	-	ADJ
fbem-1666	47	6	city	city	ADJ
fbem-1666	47	7	cooperation	cooperation	NOUN
fbem-1666	47	8	on	on	ADP
fbem-1666	47	9	economy	economy	NOUN
fbem-1666	47	10	in	in	ADP
fbem-1666	47	11	recent	recent	ADJ
fbem-1666	47	12	years	year	NOUN
fbem-1666	47	13	,	,	PUNCT
fbem-1666	47	14	many	many	ADJ
fbem-1666	47	15	scholars	scholar	NOUN
fbem-1666	47	16	have	have	AUX
fbem-1666	47	17	studied	study	VERB
fbem-1666	47	18	the	the	DET
fbem-1666	47	19	economic	economic	ADJ
fbem-1666	47	20	effects	effect	NOUN
fbem-1666	47	21	of	of	ADP
fbem-1666	47	22	intercity	intercity	ADJ
fbem-1666	47	23	cooperation	cooperation	NOUN
fbem-1666	47	24	in	in	ADP
fbem-1666	47	25	gba	gba	PROPN
fbem-1666	47	26	in	in	ADP
fbem-1666	47	27	specific	specific	ADJ
fbem-1666	47	28	sectors	sector	NOUN
fbem-1666	47	29	.	.	PUNCT
fbem-1666	48	1	despite	despite	SCONJ
fbem-1666	48	2	a	a	DET
fbem-1666	48	3	large	large	ADJ
fbem-1666	48	4	body	body	NOUN
fbem-1666	48	5	of	of	ADP
fbem-1666	48	6	research	research	NOUN
fbem-1666	48	7	showing	show	VERB
fbem-1666	48	8	that	that	SCONJ
fbem-1666	48	9	inter	inter	ADJ
fbem-1666	48	10	-	-	ADJ
fbem-1666	48	11	city	city	ADJ
fbem-1666	48	12	cooperation	cooperation	NOUN
fbem-1666	48	13	drives	drive	VERB
fbem-1666	48	14	department	department	NOUN
fbem-1666	48	15	development	development	NOUN
fbem-1666	48	16	,	,	PUNCT
fbem-1666	48	17	yang	yang	PROPN
fbem-1666	48	18	et	et	PROPN
fbem-1666	48	19	al	al	PROPN
fbem-1666	48	20	.	.	PROPN
fbem-1666	48	21	(	(	PUNCT
fbem-1666	48	22	2021	2021	NUM
fbem-1666	48	23	)	)	PUNCT
fbem-1666	48	24	point	point	VERB
fbem-1666	48	25	out	out	ADP
fbem-1666	48	26	that	that	PRON
fbem-1666	48	27	small	small	ADJ
fbem-1666	48	28	and	and	CCONJ
fbem-1666	48	29	medium	medium	ADJ
fbem-1666	48	30	-	-	PUNCT
fbem-1666	48	31	sized	sized	ADJ
fbem-1666	48	32	cities	city	NOUN
fbem-1666	48	33	in	in	ADP
fbem-1666	48	34	gba	gba	PROPN
fbem-1666	48	35	have	have	AUX
fbem-1666	48	36	not	not	PART
fbem-1666	48	37	benefited	benefit	VERB
fbem-1666	48	38	from	from	ADP
fbem-1666	48	39	the	the	DET
fbem-1666	48	40	development	development	NOUN
fbem-1666	48	41	of	of	ADP
fbem-1666	48	42	knowledge	knowledge	NOUN
fbem-1666	48	43	and	and	CCONJ
fbem-1666	48	44	innovation	innovation	NOUN
fbem-1666	48	45	networks	network	NOUN
fbem-1666	48	46	of	of	ADP
fbem-1666	48	47	the	the	DET
fbem-1666	48	48	core	core	NOUN
fbem-1666	48	49	cities	city	NOUN
fbem-1666	48	50	,	,	PUNCT
fbem-1666	48	51	but	but	CCONJ
fbem-1666	48	52	are	be	AUX
fbem-1666	48	53	trapped	trap	VERB
fbem-1666	48	54	in	in	ADP
fbem-1666	48	55	their	their	PRON
fbem-1666	48	56	agglomeration	agglomeration	NOUN
fbem-1666	48	57	shadow	shadow	NOUN
fbem-1666	48	58	.	.	PUNCT
fbem-1666	49	1	in	in	ADP
fbem-1666	49	2	terms	term	NOUN
fbem-1666	49	3	of	of	ADP
fbem-1666	49	4	urban	urban	ADJ
fbem-1666	49	5	land	land	NOUN
fbem-1666	49	6	use	use	NOUN
fbem-1666	49	7	,	,	PUNCT
fbem-1666	49	8	zhang	zhang	PROPN
fbem-1666	49	9	et	et	PROPN
fbem-1666	49	10	al	al	PROPN
fbem-1666	49	11	.	.	PROPN
fbem-1666	49	12	(	(	PUNCT
fbem-1666	49	13	2021	2021	NUM
fbem-1666	49	14	)	)	PUNCT
fbem-1666	49	15	argue	argue	VERB
fbem-1666	49	16	that	that	SCONJ
fbem-1666	49	17	de	de	X
fbem-1666	49	18	facto	facto	X
fbem-1666	49	19	(	(	PUNCT
fbem-1666	49	20	shared	share	VERB
fbem-1666	49	21	)	)	PUNCT
fbem-1666	49	22	geopolitical	geopolitical	ADJ
fbem-1666	49	23	scale	scale	NOUN
fbem-1666	49	24	,	,	PUNCT
fbem-1666	49	25	divergent	divergent	ADJ
fbem-1666	49	26	deepening	deepening	NOUN
fbem-1666	49	27	mechanisms	mechanism	NOUN
fbem-1666	49	28	,	,	PUNCT
fbem-1666	49	29	and	and	CCONJ
fbem-1666	49	30	concrete	concrete	ADJ
fbem-1666	49	31	politicoeconomic	politicoeconomic	ADJ
fbem-1666	49	32	setting	setting	NOUN
fbem-1666	49	33	have	have	AUX
fbem-1666	49	34	co	co	VERB
fbem-1666	49	35	-	-	VERB
fbem-1666	49	36	determined	determine	VERB
fbem-1666	49	37	the	the	DET
fbem-1666	49	38	conceptual	conceptual	ADJ
fbem-1666	49	39	typology	typology	NOUN
fbem-1666	49	40	of	of	ADP
fbem-1666	49	41	china	china	PROPN
fbem-1666	49	42	’s	’s	PART
fbem-1666	49	43	intercity	intercity	PROPN
fbem-1666	49	44	cooperation	cooperation	NOUN
fbem-1666	49	45	.	.	PUNCT
fbem-1666	50	1	the	the	DET
fbem-1666	50	2	understanding	understanding	NOUN
fbem-1666	50	3	of	of	ADP
fbem-1666	50	4	mechanisms	mechanism	NOUN
fbem-1666	50	5	underlying	underlie	VERB
fbem-1666	50	6	the	the	DET
fbem-1666	50	7	city	city	NOUN
fbem-1666	50	8	-	-	PUNCT
fbem-1666	50	9	regionalization	regionalization	NOUN
fbem-1666	50	10	in	in	ADP
fbem-1666	50	11	general	general	ADJ
fbem-1666	50	12	,	,	PUNCT
fbem-1666	50	13	especially	especially	ADV
fbem-1666	50	14	intercity	intercity	ADJ
fbem-1666	50	15	cooperation	cooperation	NOUN
fbem-1666	50	16	,	,	PUNCT
fbem-1666	50	17	will	will	AUX
fbem-1666	50	18	offer	offer	VERB
fbem-1666	50	19	critical	critical	ADJ
fbem-1666	50	20	insights	insight	NOUN
fbem-1666	50	21	into	into	ADP
fbem-1666	50	22	the	the	DET
fbem-1666	50	23	ongoing	ongoing	ADJ
fbem-1666	50	24	organizational	organizational	ADJ
fbem-1666	50	25	,	,	PUNCT
fbem-1666	50	26	and	and	CCONJ
fbem-1666	50	27	land	land	NOUN
fbem-1666	50	28	-	-	PUNCT
fbem-1666	50	29	use	use	NOUN
fbem-1666	50	30	reforms	reform	NOUN
fbem-1666	50	31	within	within	ADP
fbem-1666	50	32	the	the	DET
fbem-1666	50	33	framework	framework	NOUN
fbem-1666	50	34	of	of	ADP
fbem-1666	50	35	territorial	territorial	ADJ
fbem-1666	50	36	spatial	spatial	ADJ
fbem-1666	50	37	planning	planning	NOUN
fbem-1666	50	38	.	.	PUNCT
fbem-1666	51	1	scholars	scholar	NOUN
fbem-1666	51	2	have	have	AUX
fbem-1666	51	3	also	also	ADV
fbem-1666	51	4	quantified	quantify	VERB
fbem-1666	51	5	the	the	DET
fbem-1666	51	6	traffic	traffic	NOUN
fbem-1666	51	7	impact	impact	NOUN
fbem-1666	51	8	of	of	ADP
fbem-1666	51	9	intercity	intercity	ADJ
fbem-1666	51	10	cooperation	cooperation	NOUN
fbem-1666	51	11	in	in	ADP
fbem-1666	51	12	gba	gba	PROPN
fbem-1666	51	13	.	.	PROPN
fbem-1666	52	1	as	as	SCONJ
fbem-1666	52	2	intercity	intercity	NOUN
fbem-1666	52	3	cooperation	cooperation	NOUN
fbem-1666	52	4	strengthens	strengthen	VERB
fbem-1666	52	5	,	,	PUNCT
fbem-1666	52	6	the	the	DET
fbem-1666	52	7	differentiated	differentiated	ADJ
fbem-1666	52	8	employment	employment	NOUN
fbem-1666	52	9	composition	composition	NOUN
fbem-1666	52	10	drives	drive	NOUN
fbem-1666	52	11	increased	increase	VERB
fbem-1666	52	12	intercity	intercity	NOUN
fbem-1666	52	13	human	human	ADJ
fbem-1666	52	14	mobility	mobility	NOUN
fbem-1666	52	15	,	,	PUNCT
fbem-1666	52	16	which	which	PRON
fbem-1666	52	17	in	in	ADP
fbem-1666	52	18	turn	turn	NOUN
fbem-1666	52	19	increases	increase	VERB
fbem-1666	52	20	intercity	intercity	ADJ
fbem-1666	52	21	high	high	ADJ
fbem-1666	52	22	-	-	PUNCT
fbem-1666	52	23	speed	speed	NOUN
fbem-1666	52	24	rail	rail	NOUN
fbem-1666	52	25	traffic	traffic	NOUN
fbem-1666	52	26	.	.	PUNCT
fbem-1666	53	1	(	(	PUNCT
fbem-1666	53	2	hu	hu	PROPN
fbem-1666	53	3	et	et	PROPN
fbem-1666	53	4	al	al	PROPN
fbem-1666	53	5	.	.	PROPN
fbem-1666	53	6	,	,	PUNCT
fbem-1666	53	7	2022	2022	NUM
fbem-1666	53	8	)	)	PUNCT
fbem-1666	53	9	.	.	PUNCT
fbem-1666	54	1	2.2	2.2	NUM
fbem-1666	54	2	.	.	PUNCT
fbem-1666	55	1	the	the	DET
fbem-1666	55	2	effect	effect	NOUN
fbem-1666	55	3	of	of	ADP
fbem-1666	55	4	inter	inter	ADJ
fbem-1666	55	5	-	-	ADJ
fbem-1666	55	6	city	city	ADJ
fbem-1666	55	7	cooperation	cooperation	NOUN
fbem-1666	55	8	on	on	ADP
fbem-1666	55	9	the	the	DET
fbem-1666	55	10	environment	environment	NOUN
fbem-1666	55	11	in	in	ADP
fbem-1666	55	12	the	the	DET
fbem-1666	55	13	era	era	NOUN
fbem-1666	55	14	of	of	ADP
fbem-1666	55	15	rapid	rapid	ADJ
fbem-1666	55	16	urban	urban	ADJ
fbem-1666	55	17	development	development	NOUN
fbem-1666	55	18	,	,	PUNCT
fbem-1666	55	19	the	the	DET
fbem-1666	55	20	relationship	relationship	NOUN
fbem-1666	55	21	between	between	ADP
fbem-1666	55	22	the	the	DET
fbem-1666	55	23	urban	urban	ADJ
fbem-1666	55	24	ecological	ecological	ADJ
fbem-1666	55	25	environment	environment	NOUN
fbem-1666	55	26	and	and	CCONJ
fbem-1666	55	27	urban	urban	ADJ
fbem-1666	55	28	construction	construction	NOUN
fbem-1666	55	29	is	be	AUX
fbem-1666	55	30	receiving	receive	VERB
fbem-1666	55	31	increasing	increase	VERB
fbem-1666	55	32	attention	attention	NOUN
fbem-1666	55	33	.	.	PUNCT
fbem-1666	56	1	douglass	douglass	NOUN
fbem-1666	56	2	,	,	PUNCT
fbem-1666	56	3	m.	m.	NOUN
fbem-1666	56	4	(	(	PUNCT
fbem-1666	56	5	2002	2002	NUM
fbem-1666	56	6	)	)	PUNCT
fbem-1666	56	7	proposes	propose	VERB
fbem-1666	56	8	the	the	DET
fbem-1666	56	9	idea	idea	NOUN
fbem-1666	56	10	that	that	SCONJ
fbem-1666	56	11	the	the	DET
fbem-1666	56	12	major	major	ADJ
fbem-1666	56	13	dilemma	dilemma	NOUN
fbem-1666	56	14	posed	pose	VERB
fbem-1666	56	15	by	by	ADP
fbem-1666	56	16	inter	inter	ADJ
fbem-1666	56	17	-	-	ADJ
fbem-1666	56	18	city	city	ADJ
fbem-1666	56	19	cooperation	cooperation	NOUN
fbem-1666	56	20	in	in	ADP
fbem-1666	56	21	the	the	DET
fbem-1666	56	22	context	context	NOUN
fbem-1666	56	23	of	of	ADP
fbem-1666	56	24	globalization	globalization	NOUN
fbem-1666	56	25	is	be	AUX
fbem-1666	56	26	how	how	SCONJ
fbem-1666	56	27	to	to	PART
fbem-1666	56	28	make	make	VERB
fbem-1666	56	29	cities	city	NOUN
fbem-1666	56	30	more	more	ADV
fbem-1666	56	31	livable	livable	ADJ
fbem-1666	56	32	and	and	CCONJ
fbem-1666	56	33	environmentally	environmentally	ADV
fbem-1666	56	34	.	.	PUNCT
fbem-1666	57	1	in	in	ADP
fbem-1666	57	2	a	a	DET
fbem-1666	57	3	challenging	challenging	ADJ
fbem-1666	57	4	context	context	NOUN
fbem-1666	57	5	developing	develop	VERB
fbem-1666	57	6	countries	country	NOUN
fbem-1666	57	7	face	face	VERB
fbem-1666	57	8	environmental	environmental	ADJ
fbem-1666	57	9	management	management	NOUN
fbem-1666	57	10	capacity	capacity	NOUN
fbem-1666	57	11	issues	issue	NOUN
fbem-1666	57	12	,	,	PUNCT
fbem-1666	57	13	inter	inter	ADJ
fbem-1666	57	14	-	-	ADJ
fbem-1666	57	15	city	city	ADJ
fbem-1666	57	16	cooperation	cooperation	NOUN
fbem-1666	57	17	is	be	AUX
fbem-1666	57	18	an	an	DET
fbem-1666	57	19	important	important	ADJ
fbem-1666	57	20	way	way	NOUN
fbem-1666	57	21	to	to	PART
fbem-1666	57	22	assist	assist	VERB
fbem-1666	57	23	cities	city	NOUN
fbem-1666	57	24	in	in	ADP
fbem-1666	57	25	strengthening	strengthen	VERB
fbem-1666	57	26	their	their	PRON
fbem-1666	57	27	capacity	capacity	NOUN
fbem-1666	57	28	to	to	PART
fbem-1666	57	29	manage	manage	VERB
fbem-1666	57	30	urban	urban	ADJ
fbem-1666	57	31	environmental	environmental	ADJ
fbem-1666	57	32	challenges	challenge	NOUN
fbem-1666	57	33	.	.	PUNCT
fbem-1666	58	1	(	(	PUNCT
fbem-1666	58	2	memon	memon	NOUN
fbem-1666	58	3	et	et	PROPN
fbem-1666	58	4	al	al	PROPN
fbem-1666	58	5	.	.	PROPN
fbem-1666	58	6	,	,	PUNCT
fbem-1666	58	7	2005	2005	NUM
fbem-1666	58	8	)	)	PUNCT
fbem-1666	58	9	based	base	VERB
fbem-1666	58	10	on	on	ADP
fbem-1666	58	11	japan	japan	PROPN
fbem-1666	58	12	's	's	PART
fbem-1666	58	13	cooperation	cooperation	NOUN
fbem-1666	58	14	with	with	ADP
fbem-1666	58	15	developing	develop	VERB
fbem-1666	58	16	countries	country	NOUN
fbem-1666	58	17	,	,	PUNCT
fbem-1666	58	18	nakamura	nakamura	PROPN
fbem-1666	58	19	et	et	PROPN
fbem-1666	58	20	al	al	PROPN
fbem-1666	58	21	.	.	PROPN
fbem-1666	59	1	(	(	PUNCT
fbem-1666	59	2	2011	2011	NUM
fbem-1666	59	3	)	)	PUNCT
fbem-1666	59	4	argue	argue	VERB
fbem-1666	59	5	some	some	DET
fbem-1666	59	6	japanese	japanese	ADJ
fbem-1666	59	7	local	local	ADJ
fbem-1666	59	8	governments	government	NOUN
fbem-1666	59	9	have	have	AUX
fbem-1666	59	10	engaged	engage	VERB
fbem-1666	59	11	in	in	ADP
fbem-1666	59	12	international	international	ADJ
fbem-1666	59	13	cooperation	cooperation	NOUN
fbem-1666	59	14	with	with	ADP
fbem-1666	59	15	local	local	ADJ
fbem-1666	59	16	governments	government	NOUN
fbem-1666	59	17	in	in	ADP
fbem-1666	59	18	developing	develop	VERB
fbem-1666	59	19	countries	country	NOUN
fbem-1666	59	20	in	in	ADP
fbem-1666	59	21	asia	asia	PROPN
fbem-1666	59	22	to	to	PART
fbem-1666	59	23	improve	improve	VERB
fbem-1666	59	24	environmental	environmental	ADJ
fbem-1666	59	25	management	management	NOUN
fbem-1666	59	26	.	.	PUNCT
fbem-1666	60	1	zeng	zeng	PROPN
fbem-1666	60	2	et	et	PROPN
fbem-1666	60	3	al	al	PROPN
fbem-1666	60	4	.	.	PROPN
fbem-1666	60	5	(	(	PUNCT
fbem-1666	60	6	2022	2022	NUM
fbem-1666	60	7	)	)	PUNCT
fbem-1666	60	8	put	put	VERB
fbem-1666	60	9	forward	forward	ADV
fbem-1666	60	10	the	the	DET
fbem-1666	60	11	innovation	innovation	NOUN
fbem-1666	60	12	cooperation	cooperation	NOUN
fbem-1666	60	13	among	among	ADP
fbem-1666	60	14	cities	city	NOUN
fbem-1666	60	15	exerts	exert	VERB
fbem-1666	60	16	impacts	impact	NOUN
fbem-1666	60	17	on	on	ADP
fbem-1666	60	18	efficiency	efficiency	NOUN
fbem-1666	60	19	to	to	PART
fbem-1666	60	20	gain	gain	VERB
fbem-1666	60	21	both	both	DET
fbem-1666	60	22	economic	economic	ADJ
fbem-1666	60	23	and	and	CCONJ
fbem-1666	60	24	environmental	environmental	ADJ
fbem-1666	60	25	performances	performance	NOUN
fbem-1666	60	26	.	.	PUNCT
fbem-1666	61	1	they	they	PRON
fbem-1666	61	2	validate	validate	VERB
fbem-1666	61	3	the	the	DET
fbem-1666	61	4	innovation	innovation	NOUN
fbem-1666	61	5	cooperation	cooperation	NOUN
fbem-1666	61	6	through	through	ADP
fbem-1666	61	7	control	control	NOUN
fbem-1666	61	8	ability	ability	NOUN
fbem-1666	61	9	of	of	ADP
fbem-1666	61	10	information	information	NOUN
fbem-1666	61	11	resources	resource	NOUN
fbem-1666	61	12	for	for	ADP
fbem-1666	61	13	other	other	ADJ
fbem-1666	61	14	cities	city	NOUN
fbem-1666	61	15	could	could	AUX
fbem-1666	61	16	significantly	significantly	ADV
fbem-1666	61	17	improve	improve	VERB
fbem-1666	61	18	the	the	DET
fbem-1666	61	19	environmental	environmental	ADJ
fbem-1666	61	20	regulation	regulation	NOUN
fbem-1666	61	21	efficiency	efficiency	NOUN
fbem-1666	61	22	.	.	PUNCT
fbem-1666	62	1	2.3	2.3	NUM
fbem-1666	62	2	.	.	PUNCT
fbem-1666	63	1	the	the	DET
fbem-1666	63	2	use	use	NOUN
fbem-1666	63	3	of	of	ADP
fbem-1666	63	4	instrumental	instrumental	ADJ
fbem-1666	63	5	variables	variable	NOUN
fbem-1666	63	6	philip	philip	PROPN
fbem-1666	63	7	g.	g.	PROPN
fbem-1666	63	8	wright	wright	PROPN
fbem-1666	63	9	first	first	ADV
fbem-1666	63	10	mentioned	mention	VERB
fbem-1666	63	11	instrumental	instrumental	ADJ
fbem-1666	63	12	variable	variable	ADJ
fbem-1666	63	13	theory	theory	NOUN
fbem-1666	63	14	in	in	ADP
fbem-1666	63	15	his	his	PRON
fbem-1666	63	16	book	book	NOUN
fbem-1666	63	17	《	《	ADV
fbem-1666	63	18	the	the	DET
fbem-1666	63	19	tariff	tariff	NOUN
fbem-1666	63	20	on	on	ADP
fbem-1666	63	21	animal	animal	NOUN
fbem-1666	63	22	and	and	CCONJ
fbem-1666	63	23	vegetable	vegetable	NOUN
fbem-1666	63	24	oils	oil	NOUN
fbem-1666	63	25	》	》	ADJ
fbem-1666	63	26	.	.	PUNCT
fbem-1666	64	1	following	follow	VERB
fbem-1666	64	2	wright	wright	PROPN
fbem-1666	64	3	,	,	PUNCT
fbem-1666	64	4	pearl	pearl	NOUN
fbem-1666	64	5	proposed	propose	VERB
fbem-1666	64	6	a	a	DET
fbem-1666	64	7	formal	formal	ADJ
fbem-1666	64	8	definition	definition	NOUN
fbem-1666	64	9	of	of	ADP
fbem-1666	64	10	instrumental	instrumental	ADJ
fbem-1666	64	11	variables	variable	NOUN
fbem-1666	64	12	in	in	ADP
fbem-1666	64	13	2000	2000	NUM
fbem-1666	64	14	using	use	VERB
fbem-1666	64	15	proof	proof	NOUN
fbem-1666	64	16	by	by	ADP
fbem-1666	64	17	contradiction	contradiction	NOUN
fbem-1666	64	18	and	and	CCONJ
fbem-1666	64	19	graphical	graphical	ADJ
fbem-1666	64	20	evaluation	evaluation	NOUN
fbem-1666	64	21	method	method	NOUN
fbem-1666	64	22	.	.	PUNCT
fbem-1666	65	1	since	since	SCONJ
fbem-1666	65	2	then	then	ADV
fbem-1666	65	3	,	,	PUNCT
fbem-1666	65	4	instrumental	instrumental	ADJ
fbem-1666	65	5	variables	variable	NOUN
fbem-1666	65	6	have	have	AUX
fbem-1666	65	7	been	be	AUX
fbem-1666	65	8	widely	widely	ADV
fbem-1666	65	9	used	use	VERB
fbem-1666	65	10	in	in	ADP
fbem-1666	65	11	regression	regression	NOUN
fbem-1666	65	12	estimation	estimation	NOUN
fbem-1666	65	13	.	.	PUNCT
fbem-1666	66	1	in	in	ADP
fbem-1666	66	2	caner	caner	NOUN
fbem-1666	66	3	and	and	CCONJ
fbem-1666	66	4	hansen	hansen	PROPN
fbem-1666	66	5	’s	’s	PART
fbem-1666	66	6	(	(	PUNCT
fbem-1666	66	7	2004	2004	NUM
fbem-1666	66	8	)	)	PUNCT
fbem-1666	66	9	estimation	estimation	NOUN
fbem-1666	66	10	of	of	ADP
fbem-1666	66	11	threshold	threshold	NOUN
fbem-1666	66	12	models	model	NOUN
fbem-1666	66	13	,	,	PUNCT
fbem-1666	66	14	instrumental	instrumental	ADJ
fbem-1666	66	15	variables	variable	NOUN
fbem-1666	66	16	were	be	AUX
fbem-1666	66	17	used	use	VERB
fbem-1666	66	18	to	to	PART
fbem-1666	66	19	break	break	VERB
fbem-1666	66	20	the	the	DET
fbem-1666	66	21	restriction	restriction	NOUN
fbem-1666	66	22	that	that	PRON
fbem-1666	66	23	variables	variable	VERB
fbem-1666	66	24	on	on	ADP
fbem-1666	66	25	the	the	DET
fbem-1666	66	26	right	right	ADJ
fbem-1666	66	27	side	side	NOUN
fbem-1666	66	28	of	of	ADP
fbem-1666	66	29	a	a	DET
fbem-1666	66	30	sample	sample	NOUN
fbem-1666	66	31	splitting	splitting	NOUN
fbem-1666	66	32	model	model	NOUN
fbem-1666	66	33	must	must	AUX
fbem-1666	66	34	be	be	AUX
fbem-1666	66	35	exogenous	exogenous	ADJ
fbem-1666	66	36	.	.	PUNCT
fbem-1666	67	1	thanks	thank	NOUN
fbem-1666	67	2	to	to	ADP
fbem-1666	67	3	instrumental	instrumental	ADJ
fbem-1666	67	4	variables	variable	NOUN
fbem-1666	67	5	,	,	PUNCT
fbem-1666	67	6	they	they	PRON
fbem-1666	67	7	successfully	successfully	ADV
fbem-1666	67	8	considered	consider	VERB
fbem-1666	67	9	a	a	DET
fbem-1666	67	10	model	model	NOUN
fbem-1666	67	11	with	with	ADP
fbem-1666	67	12	endogenous	endogenous	ADJ
fbem-1666	67	13	variables	variable	NOUN
fbem-1666	67	14	but	but	CCONJ
fbem-1666	67	15	an	an	DET
fbem-1666	67	16	exogenous	exogenous	ADJ
fbem-1666	67	17	threshold	threshold	NOUN
fbem-1666	67	18	variable	variable	NOUN
fbem-1666	67	19	.	.	PUNCT
fbem-1666	68	1	scholars	scholar	NOUN
fbem-1666	68	2	(	(	PUNCT
fbem-1666	68	3	altonji	altonji	X
fbem-1666	68	4	et	et	PROPN
fbem-1666	68	5	al	al	PROPN
fbem-1666	68	6	.	.	PROPN
fbem-1666	68	7	,	,	PUNCT
fbem-1666	68	8	2005	2005	NUM
fbem-1666	68	9	)	)	PUNCT
fbem-1666	68	10	have	have	AUX
fbem-1666	68	11	been	be	AUX
fbem-1666	68	12	discussing	discuss	VERB
fbem-1666	68	13	the	the	DET
fbem-1666	68	14	validity	validity	NOUN
fbem-1666	68	15	of	of	ADP
fbem-1666	68	16	instrumental	instrumental	ADJ
fbem-1666	68	17	variables	variable	NOUN
fbem-1666	68	18	and	and	CCONJ
fbem-1666	68	19	providing	provide	VERB
fbem-1666	68	20	a	a	DET
fbem-1666	68	21	template	template	NOUN
fbem-1666	68	22	for	for	ADP
fbem-1666	68	23	the	the	DET
fbem-1666	68	24	assessment	assessment	NOUN
fbem-1666	68	25	of	of	ADP
fbem-1666	68	26	instrumental	instrumental	ADJ
fbem-1666	68	27	variables	variable	NOUN
fbem-1666	68	28	strategies	strategy	NOUN
fbem-1666	68	29	in	in	ADP
fbem-1666	68	30	other	other	ADJ
fbem-1666	68	31	applications	application	NOUN
fbem-1666	68	32	.	.	PUNCT
fbem-1666	69	1	in	in	ADP
fbem-1666	69	2	2008	2008	NUM
fbem-1666	69	3	,	,	PUNCT
fbem-1666	69	4	heckman	heckman	PROPN
fbem-1666	69	5	discussed	discuss	VERB
fbem-1666	69	6	the	the	DET
fbem-1666	69	7	representation	representation	NOUN
fbem-1666	69	8	of	of	ADP
fbem-1666	69	9	causal	causal	ADJ
fbem-1666	69	10	laws	law	NOUN
fbem-1666	69	11	in	in	ADP
fbem-1666	69	12	econometrics	econometric	NOUN
fbem-1666	69	13	and	and	CCONJ
fbem-1666	69	14	the	the	DET
fbem-1666	69	15	relationship	relationship	NOUN
fbem-1666	69	16	with	with	ADP
fbem-1666	69	17	instrumental	instrumental	ADJ
fbem-1666	69	18	variables	variable	NOUN
fbem-1666	69	19	and	and	CCONJ
fbem-1666	69	20	other	other	ADJ
fbem-1666	69	21	methods	method	NOUN
fbem-1666	69	22	.	.	PUNCT
fbem-1666	70	1	treatment	treatment	NOUN
fbem-1666	70	2	preferences	preference	NOUN
fbem-1666	70	3	of	of	ADP
fbem-1666	70	4	groups	group	NOUN
fbem-1666	70	5	(	(	PUNCT
fbem-1666	70	6	e.g.	e.g.	ADV
fbem-1666	70	7	,	,	PUNCT
fbem-1666	70	8	clinical	clinical	ADJ
fbem-1666	70	9	centers	center	NOUN
fbem-1666	70	10	)	)	PUNCT
fbem-1666	70	11	have	have	AUX
fbem-1666	70	12	often	often	ADV
fbem-1666	70	13	been	be	AUX
fbem-1666	70	14	proposed	propose	VERB
fbem-1666	70	15	as	as	ADP
fbem-1666	70	16	instruments	instrument	NOUN
fbem-1666	70	17	to	to	PART
fbem-1666	70	18	control	control	VERB
fbem-1666	70	19	for	for	ADP
fbem-1666	70	20	unmeasured	unmeasured	ADJ
fbem-1666	70	21	confounding	confound	VERB
fbem-1666	70	22	-	-	PUNCT
fbem-1666	70	23	by	by	ADP
fbem-1666	70	24	-	-	PUNCT
fbem-1666	70	25	indication	indication	NOUN
fbem-1666	70	26	in	in	ADP
fbem-1666	70	27	instrumental	instrumental	ADJ
fbem-1666	70	28	variable	variable	NOUN
fbem-1666	70	29	(	(	PUNCT
fbem-1666	70	30	iv	iv	X
fbem-1666	70	31	)	)	PUNCT
fbem-1666	70	32	analyses	analysis	NOUN
fbem-1666	70	33	.	.	PUNCT
fbem-1666	71	1	evaluation	evaluation	NOUN
fbem-1666	71	2	of	of	ADP
fbem-1666	71	3	grouppreference	grouppreference	NOUN
fbem-1666	71	4	-	-	PUNCT
fbem-1666	71	5	based	base	VERB
fbem-1666	71	6	iv	iv	NUM
fbem-1666	71	7	suggests	suggest	VERB
fbem-1666	71	8	that	that	SCONJ
fbem-1666	71	9	the	the	DET
fbem-1666	71	10	iv	iv	NUM
fbem-1666	71	11	estimator	estimator	NOUN
fbem-1666	71	12	remains	remain	VERB
fbem-1666	71	13	advantageous	advantageous	ADJ
fbem-1666	71	14	in	in	ADP
fbem-1666	71	15	reducing	reduce	VERB
fbem-1666	71	16	bias	bias	NOUN
fbem-1666	71	17	from	from	ADP
fbem-1666	71	18	confounding	confound	VERB
fbem-1666	71	19	-	-	PUNCT
fbem-1666	71	20	byindication	byindication	NOUN
fbem-1666	71	21	.	.	PUNCT
fbem-1666	72	1	(	(	PUNCT
fbem-1666	72	2	li	li	PROPN
fbem-1666	72	3	et	et	PROPN
fbem-1666	72	4	al	al	PROPN
fbem-1666	72	5	.	.	PROPN
fbem-1666	72	6	,	,	PUNCT
fbem-1666	72	7	2015	2015	NUM
fbem-1666	72	8	)	)	PUNCT
fbem-1666	72	9	69	69	NUM
fbem-1666	72	10	3	3	NUM
fbem-1666	72	11	.	.	PUNCT
fbem-1666	72	12	data	datum	NOUN
fbem-1666	72	13	and	and	CCONJ
fbem-1666	72	14	econometric	econometric	ADJ
fbem-1666	72	15	models	model	NOUN
fbem-1666	72	16	3.1	3.1	NUM
fbem-1666	72	17	.	.	PUNCT
fbem-1666	73	1	data	datum	NOUN
fbem-1666	73	2	this	this	DET
fbem-1666	73	3	paper	paper	NOUN
fbem-1666	73	4	is	be	AUX
fbem-1666	73	5	conducted	conduct	VERB
fbem-1666	73	6	with	with	ADP
fbem-1666	73	7	a	a	DET
fbem-1666	73	8	comprehensive	comprehensive	ADJ
fbem-1666	73	9	dataset	dataset	NOUN
fbem-1666	73	10	that	that	PRON
fbem-1666	73	11	includes	include	VERB
fbem-1666	73	12	the	the	DET
fbem-1666	73	13	number	number	NOUN
fbem-1666	73	14	of	of	ADP
fbem-1666	73	15	inter	inter	ADJ
fbem-1666	73	16	-	-	ADJ
fbem-1666	73	17	city	city	ADJ
fbem-1666	73	18	cooperation	cooperation	NOUN
fbem-1666	73	19	,	,	PUNCT
fbem-1666	73	20	per	per	ADP
fbem-1666	73	21	capita	capita	X
fbem-1666	73	22	car	car	NOUN
fbem-1666	73	23	ownership	ownership	NOUN
fbem-1666	73	24	,	,	PUNCT
fbem-1666	73	25	gdp	gdp	NOUN
fbem-1666	73	26	per	per	ADP
fbem-1666	73	27	capita	capita	NOUN
fbem-1666	73	28	,	,	PUNCT
fbem-1666	73	29	pm10	pm10	PROPN
fbem-1666	73	30	concentration	concentration	NOUN
fbem-1666	73	31	,	,	PUNCT
fbem-1666	73	32	pm2.5	pm2.5	PRON
fbem-1666	73	33	concentration	concentration	NOUN
fbem-1666	73	34	,	,	PUNCT
fbem-1666	73	35	and	and	CCONJ
fbem-1666	73	36	an	an	DET
fbem-1666	73	37	average	average	ADJ
fbem-1666	73	38	distance	distance	NOUN
fbem-1666	73	39	of	of	ADP
fbem-1666	73	40	one	one	NUM
fbem-1666	73	41	city	city	NOUN
fbem-1666	73	42	to	to	ADP
fbem-1666	73	43	other	other	ADJ
fbem-1666	73	44	cities	city	NOUN
fbem-1666	73	45	from	from	ADP
fbem-1666	73	46	various	various	ADJ
fbem-1666	73	47	sources	source	NOUN
fbem-1666	73	48	.	.	PUNCT
fbem-1666	74	1	all	all	DET
fbem-1666	74	2	the	the	DET
fbem-1666	74	3	data	data	NOUN
fbem-1666	74	4	comes	come	VERB
fbem-1666	74	5	from	from	ADP
fbem-1666	74	6	the	the	DET
fbem-1666	74	7	chinese	chinese	ADJ
fbem-1666	74	8	statistical	statistical	ADJ
fbem-1666	74	9	yearbook	yearbook	NOUN
fbem-1666	74	10	(	(	PUNCT
fbem-1666	74	11	website	website	NOUN
fbem-1666	74	12	address	address	NOUN
fbem-1666	74	13	:	:	PUNCT
fbem-1666	74	14	http://www.stats.gov.cn/tjsj/ndsj/	http://www.stats.gov.cn/tjsj/ndsj/	PROPN
fbem-1666	74	15	)	)	PUNCT
fbem-1666	74	16	,	,	PUNCT
fbem-1666	74	17	except	except	SCONJ
fbem-1666	74	18	for	for	ADP
fbem-1666	74	19	the	the	DET
fbem-1666	74	20	data	datum	NOUN
fbem-1666	74	21	referring	refer	VERB
fbem-1666	74	22	to	to	ADP
fbem-1666	74	23	distance	distance	NOUN
fbem-1666	74	24	.	.	PUNCT
fbem-1666	75	1	besides	besides	SCONJ
fbem-1666	75	2	,	,	PUNCT
fbem-1666	75	3	the	the	DET
fbem-1666	75	4	average	average	ADJ
fbem-1666	75	5	distance	distance	NOUN
fbem-1666	75	6	between	between	ADP
fbem-1666	75	7	one	one	NUM
fbem-1666	75	8	city	city	NOUN
fbem-1666	75	9	and	and	CCONJ
fbem-1666	75	10	other	other	ADJ
fbem-1666	75	11	cities	city	NOUN
fbem-1666	75	12	in	in	ADP
fbem-1666	75	13	this	this	DET
fbem-1666	75	14	region	region	NOUN
fbem-1666	75	15	is	be	AUX
fbem-1666	75	16	from	from	ADP
fbem-1666	75	17	google	google	PROPN
fbem-1666	75	18	maps	map	NOUN
fbem-1666	75	19	(	(	PUNCT
fbem-1666	75	20	website	website	NOUN
fbem-1666	75	21	address	address	NOUN
fbem-1666	75	22	:	:	PUNCT
fbem-1666	75	23	https://www.google.com/maps/	https://www.google.com/maps/	NUM
fbem-1666	75	24	)	)	PUNCT
fbem-1666	75	25	.	.	PUNCT
fbem-1666	76	1	fig	fig	NOUN
fbem-1666	76	2	.	.	PUNCT
fbem-1666	77	1	2	2	NUM
fbem-1666	77	2	illustrates	illustrate	VERB
fbem-1666	77	3	one	one	NUM
fbem-1666	77	4	sample	sample	NOUN
fbem-1666	77	5	distance	distance	NOUN
fbem-1666	77	6	from	from	ADP
fbem-1666	77	7	macao	macao	PROPN
fbem-1666	77	8	to	to	ADP
fbem-1666	77	9	hong	hong	PROPN
fbem-1666	77	10	kong	kong	PROPN
fbem-1666	77	11	.	.	PUNCT
fbem-1666	78	1	figure	figure	NOUN
fbem-1666	78	2	2	2	NUM
fbem-1666	78	3	.	.	PUNCT
fbem-1666	78	4	distance	distance	NOUN
fbem-1666	78	5	of	of	ADP
fbem-1666	78	6	sample	sample	NOUN
fbem-1666	78	7	city	city	NOUN
fbem-1666	78	8	3.1.1	3.1.1	NOUN
fbem-1666	78	9	.	.	PUNCT
fbem-1666	79	1	economic	economic	ADJ
fbem-1666	79	2	indicator	indicator	NOUN
fbem-1666	79	3	from	from	ADP
fbem-1666	79	4	figure	figure	NOUN
fbem-1666	79	5	1	1	NUM
fbem-1666	79	6	,	,	PUNCT
fbem-1666	79	7	we	we	PRON
fbem-1666	79	8	can	can	AUX
fbem-1666	79	9	see	see	VERB
fbem-1666	79	10	clearly	clearly	ADV
fbem-1666	79	11	that	that	SCONJ
fbem-1666	79	12	,	,	PUNCT
fbem-1666	79	13	in	in	ADP
fbem-1666	79	14	the	the	DET
fbem-1666	79	15	past	past	NOUN
fbem-1666	79	16	decade	decade	NOUN
fbem-1666	79	17	,	,	PUNCT
fbem-1666	79	18	the	the	DET
fbem-1666	79	19	gdp	gdp	NOUN
fbem-1666	79	20	per	per	ADP
fbem-1666	79	21	capita	capita	NOUN
fbem-1666	79	22	of	of	ADP
fbem-1666	79	23	bga	bga	PROPN
fbem-1666	79	24	has	have	AUX
fbem-1666	79	25	accounted	account	VERB
fbem-1666	79	26	for	for	ADP
fbem-1666	79	27	more	more	ADJ
fbem-1666	79	28	than	than	ADP
fbem-1666	79	29	onetenth	onetenth	ADJ
fbem-1666	79	30	of	of	ADP
fbem-1666	79	31	the	the	DET
fbem-1666	79	32	national	national	PROPN
fbem-1666	79	33	gdp	gdp	PROPN
fbem-1666	79	34	.	.	PUNCT
fbem-1666	80	1	the	the	DET
fbem-1666	80	2	sample	sample	NOUN
fbem-1666	80	3	data	datum	NOUN
fbem-1666	80	4	,	,	PUNCT
fbem-1666	80	5	including	include	VERB
fbem-1666	80	6	110	110	NUM
fbem-1666	80	7	units	unit	NOUN
fbem-1666	80	8	represents	represent	VERB
fbem-1666	80	9	that	that	SCONJ
fbem-1666	80	10	there	there	PRON
fbem-1666	80	11	is	be	VERB
fbem-1666	80	12	wide	wide	ADJ
fbem-1666	80	13	rage	rage	NOUN
fbem-1666	80	14	among	among	ADP
fbem-1666	80	15	cities	city	NOUN
fbem-1666	80	16	,	,	PUNCT
fbem-1666	80	17	from	from	ADP
fbem-1666	80	18	24875	24875	NUM
fbem-1666	80	19	cny	cny	NOUN
fbem-1666	80	20	to	to	ADP
fbem-1666	80	21	566180.9	566180.9	NUM
fbem-1666	80	22	cny	cny	NOUN
fbem-1666	80	23	.	.	PROPN
fbem-1666	81	1	3.1.2	3.1.2	NUM
fbem-1666	81	2	.	.	PUNCT
fbem-1666	81	3	air	air	NOUN
fbem-1666	81	4	pollution	pollution	NOUN
fbem-1666	81	5	apart	apart	ADV
fbem-1666	81	6	from	from	ADP
fbem-1666	81	7	economic	economic	ADJ
fbem-1666	81	8	effects	effect	NOUN
fbem-1666	81	9	,	,	PUNCT
fbem-1666	81	10	environmental	environmental	ADJ
fbem-1666	81	11	effect	effect	NOUN
fbem-1666	81	12	also	also	ADV
fbem-1666	81	13	takes	take	VERB
fbem-1666	81	14	an	an	DET
fbem-1666	81	15	important	important	ADJ
fbem-1666	81	16	part	part	NOUN
fbem-1666	81	17	in	in	ADP
fbem-1666	81	18	the	the	DET
fbem-1666	81	19	study	study	NOUN
fbem-1666	81	20	of	of	ADP
fbem-1666	81	21	inter	inter	ADJ
fbem-1666	81	22	-	-	ADJ
fbem-1666	81	23	city	city	ADJ
fbem-1666	81	24	cooperation	cooperation	NOUN
fbem-1666	81	25	.	.	PUNCT
fbem-1666	82	1	as	as	ADP
fbem-1666	82	2	one	one	NUM
fbem-1666	82	3	of	of	ADP
fbem-1666	82	4	the	the	DET
fbem-1666	82	5	major	major	ADJ
fbem-1666	82	6	indicators	indicator	NOUN
fbem-1666	82	7	measuring	measure	VERB
fbem-1666	82	8	a	a	DET
fbem-1666	82	9	city	city	NOUN
fbem-1666	82	10	’s	’s	PART
fbem-1666	82	11	environment	environment	NOUN
fbem-1666	82	12	quality	quality	NOUN
fbem-1666	82	13	,	,	PUNCT
fbem-1666	82	14	air	air	NOUN
fbem-1666	82	15	quality	quality	NOUN
fbem-1666	82	16	has	have	AUX
fbem-1666	82	17	always	always	ADV
fbem-1666	82	18	been	be	AUX
fbem-1666	82	19	a	a	DET
fbem-1666	82	20	focus	focus	NOUN
fbem-1666	82	21	topic	topic	NOUN
fbem-1666	82	22	for	for	ADP
fbem-1666	82	23	scholars	scholar	NOUN
fbem-1666	82	24	.	.	PUNCT
fbem-1666	83	1	this	this	DET
fbem-1666	83	2	paper	paper	NOUN
fbem-1666	83	3	selects	select	VERB
fbem-1666	83	4	two	two	NUM
fbem-1666	83	5	critical	critical	ADJ
fbem-1666	83	6	indicators	indicator	NOUN
fbem-1666	83	7	of	of	ADP
fbem-1666	83	8	air	air	NOUN
fbem-1666	83	9	quality	quality	NOUN
fbem-1666	83	10	,	,	PUNCT
fbem-1666	83	11	pm10	pm10	PROPN
fbem-1666	83	12	and	and	CCONJ
fbem-1666	83	13	pm2.5	pm2.5	NOUN
fbem-1666	83	14	,	,	PUNCT
fbem-1666	83	15	since	since	SCONJ
fbem-1666	83	16	they	they	PRON
fbem-1666	83	17	have	have	AUX
fbem-1666	83	18	been	be	AUX
fbem-1666	83	19	included	include	VERB
fbem-1666	83	20	in	in	ADP
fbem-1666	83	21	air	air	NOUN
fbem-1666	83	22	quality	quality	NOUN
fbem-1666	83	23	guidelines	guideline	NOUN
fbem-1666	83	24	by	by	ADP
fbem-1666	83	25	world	world	NOUN
fbem-1666	83	26	health	health	NOUN
fbem-1666	83	27	organization	organization	NOUN
fbem-1666	83	28	.	.	PUNCT
fbem-1666	84	1	in	in	ADP
fbem-1666	84	2	our	our	PRON
fbem-1666	84	3	sample	sample	NOUN
fbem-1666	84	4	data	datum	NOUN
fbem-1666	84	5	,	,	PUNCT
fbem-1666	84	6	the	the	DET
fbem-1666	84	7	average	average	ADJ
fbem-1666	84	8	concentration	concentration	NOUN
fbem-1666	84	9	of	of	ADP
fbem-1666	84	10	pm10	pm10	PROPN
fbem-1666	84	11	is	be	AUX
fbem-1666	84	12	only	only	ADV
fbem-1666	84	13	3.84	3.84	NUM
fbem-1666	84	14	µg	µg	NOUN
fbem-1666	84	15	/	/	SYM
fbem-1666	84	16	m³.	m³.	NOUN
fbem-1666	84	17	conversely	conversely	ADV
fbem-1666	84	18	,	,	PUNCT
fbem-1666	84	19	the	the	DET
fbem-1666	84	20	mean	mean	ADJ
fbem-1666	84	21	concentration	concentration	NOUN
fbem-1666	84	22	of	of	ADP
fbem-1666	84	23	pm2.5	pm2.5	PROPN
fbem-1666	84	24	is	be	AUX
fbem-1666	84	25	as	as	ADV
fbem-1666	84	26	high	high	ADJ
fbem-1666	84	27	as	as	ADP
fbem-1666	84	28	33.28	33.28	NUM
fbem-1666	84	29	µg	µg	ADJ
fbem-1666	84	30	/	/	SYM
fbem-1666	84	31	m³.	m³.	PROPN
fbem-1666	84	32	3.1.3	3.1.3	NUM
fbem-1666	84	33	.	.	PUNCT
fbem-1666	85	1	other	other	ADJ
fbem-1666	85	2	attributes	attribute	NOUN
fbem-1666	85	3	in	in	ADP
fbem-1666	85	4	the	the	DET
fbem-1666	85	5	context	context	NOUN
fbem-1666	85	6	of	of	ADP
fbem-1666	85	7	the	the	DET
fbem-1666	85	8	sharply	sharply	ADJ
fbem-1666	85	9	increase	increase	NOUN
fbem-1666	85	10	of	of	ADP
fbem-1666	85	11	gba	gba	NOUN
fbem-1666	85	12	’s	’s	PART
fbem-1666	85	13	economic	economic	ADJ
fbem-1666	85	14	,	,	PUNCT
fbem-1666	85	15	we	we	PRON
fbem-1666	85	16	select	select	VERB
fbem-1666	85	17	consecutive	consecutive	ADJ
fbem-1666	85	18	years	year	NOUN
fbem-1666	85	19	from	from	ADP
fbem-1666	85	20	2010	2010	NUM
fbem-1666	85	21	to	to	ADP
fbem-1666	85	22	2019	2019	NUM
fbem-1666	85	23	.	.	PUNCT
fbem-1666	86	1	with	with	ADP
fbem-1666	86	2	the	the	DET
fbem-1666	86	3	support	support	NOUN
fbem-1666	86	4	of	of	ADP
fbem-1666	86	5	《	《	NUM
fbem-1666	86	6	outline	outline	NOUN
fbem-1666	86	7	development	development	NOUN
fbem-1666	86	8	plan	plan	NOUN
fbem-1666	86	9	for	for	ADP
fbem-1666	86	10	the	the	DET
fbem-1666	86	11	greater	great	ADJ
fbem-1666	86	12	bay	bay	NOUN
fbem-1666	86	13	area	area	NOUN
fbem-1666	86	14	》	》	NOUN
fbem-1666	86	15	,	,	PUNCT
fbem-1666	86	16	inter	inter	ADJ
fbem-1666	86	17	-	-	ADJ
fbem-1666	86	18	regional	regional	ADJ
fbem-1666	86	19	cooperation	cooperation	NOUN
fbem-1666	86	20	has	have	AUX
fbem-1666	86	21	flourished	flourish	VERB
fbem-1666	86	22	.	.	PUNCT
fbem-1666	87	1	during	during	ADP
fbem-1666	87	2	the	the	DET
fbem-1666	87	3	10	10	NUM
fbem-1666	87	4	years	year	NOUN
fbem-1666	87	5	,	,	PUNCT
fbem-1666	87	6	the	the	DET
fbem-1666	87	7	average	average	ADJ
fbem-1666	87	8	number	number	NOUN
fbem-1666	87	9	of	of	ADP
fbem-1666	87	10	inter	inter	ADJ
fbem-1666	87	11	-	-	ADJ
fbem-1666	87	12	city	city	ADJ
fbem-1666	87	13	cooperation	cooperation	NOUN
fbem-1666	87	14	is	be	AUX
fbem-1666	87	15	as	as	ADV
fbem-1666	87	16	high	high	ADJ
fbem-1666	87	17	as	as	ADP
fbem-1666	87	18	144,941	144,941	NUM
fbem-1666	87	19	.	.	PUNCT
fbem-1666	88	1	considering	consider	VERB
fbem-1666	88	2	per	per	ADP
fbem-1666	88	3	capita	capita	X
fbem-1666	88	4	car	car	NOUN
fbem-1666	88	5	ownership	ownership	NOUN
fbem-1666	88	6	also	also	ADV
fbem-1666	88	7	has	have	VERB
fbem-1666	88	8	a	a	DET
fbem-1666	88	9	considerate	considerate	ADJ
fbem-1666	88	10	impact	impact	NOUN
fbem-1666	88	11	on	on	ADP
fbem-1666	88	12	environment	environment	NOUN
fbem-1666	88	13	quality	quality	NOUN
fbem-1666	88	14	except	except	SCONJ
fbem-1666	88	15	intercity	intercity	NOUN
fbem-1666	88	16	cooperation	cooperation	NOUN
fbem-1666	88	17	,	,	PUNCT
fbem-1666	88	18	we	we	PRON
fbem-1666	88	19	collect	collect	VERB
fbem-1666	88	20	data	datum	NOUN
fbem-1666	88	21	on	on	ADP
fbem-1666	88	22	per	per	ADP
fbem-1666	88	23	capita	capita	X
fbem-1666	88	24	car	car	NOUN
fbem-1666	88	25	ownership	ownership	NOUN
fbem-1666	88	26	in	in	ADP
fbem-1666	88	27	gba	gba	PROPN
fbem-1666	88	28	.	.	PUNCT
fbem-1666	89	1	besides	besides	ADV
fbem-1666	89	2	,	,	PUNCT
fbem-1666	89	3	there	there	PRON
fbem-1666	89	4	is	be	VERB
fbem-1666	89	5	a	a	DET
fbem-1666	89	6	relationship	relationship	NOUN
fbem-1666	89	7	between	between	ADP
fbem-1666	89	8	the	the	DET
fbem-1666	89	9	number	number	NOUN
fbem-1666	89	10	of	of	ADP
fbem-1666	89	11	cooperation	cooperation	NOUN
fbem-1666	89	12	and	and	CCONJ
fbem-1666	89	13	the	the	DET
fbem-1666	89	14	average	average	ADJ
fbem-1666	89	15	distance	distance	NOUN
fbem-1666	89	16	between	between	ADP
fbem-1666	89	17	one	one	NUM
fbem-1666	89	18	city	city	NOUN
fbem-1666	89	19	and	and	CCONJ
fbem-1666	89	20	others	other	NOUN
fbem-1666	89	21	.	.	PUNCT
fbem-1666	90	1	we	we	PRON
fbem-1666	90	2	introduce	introduce	VERB
fbem-1666	90	3	an	an	DET
fbem-1666	90	4	exogenous	exogenous	ADJ
fbem-1666	90	5	attribute	attribute	NOUN
fbem-1666	90	6	,	,	PUNCT
fbem-1666	90	7	i.e.	i.e.	X
fbem-1666	90	8	,	,	PUNCT
fbem-1666	90	9	distance	distance	NOUN
fbem-1666	90	10	,	,	PUNCT
fbem-1666	90	11	to	to	PART
fbem-1666	90	12	correct	correct	VERB
fbem-1666	90	13	the	the	DET
fbem-1666	90	14	results	result	NOUN
fbem-1666	90	15	.	.	PUNCT
fbem-1666	91	1	among	among	ADP
fbem-1666	91	2	the	the	DET
fbem-1666	91	3	data	datum	NOUN
fbem-1666	91	4	,	,	PUNCT
fbem-1666	91	5	the	the	DET
fbem-1666	91	6	average	average	ADJ
fbem-1666	91	7	distance	distance	NOUN
fbem-1666	91	8	between	between	ADP
fbem-1666	91	9	zhongshan	zhongshan	PROPN
fbem-1666	91	10	city	city	NOUN
fbem-1666	91	11	and	and	CCONJ
fbem-1666	91	12	other	other	ADJ
fbem-1666	91	13	cities	city	NOUN
fbem-1666	91	14	is	be	AUX
fbem-1666	91	15	the	the	DET
fbem-1666	91	16	smallest	small	ADJ
fbem-1666	91	17	(	(	PUNCT
fbem-1666	91	18	69.12	69.12	NUM
fbem-1666	91	19	kilometers	kilometer	NOUN
fbem-1666	91	20	)	)	PUNCT
fbem-1666	91	21	.	.	PUNCT
fbem-1666	92	1	as	as	ADP
fbem-1666	92	2	the	the	DET
fbem-1666	92	3	utmost	utmost	ADJ
fbem-1666	92	4	average	average	ADJ
fbem-1666	92	5	distance	distance	NOUN
fbem-1666	92	6	,	,	PUNCT
fbem-1666	92	7	zhaoqing	zhaoqing	NOUN
fbem-1666	92	8	city	city	NOUN
fbem-1666	92	9	is	be	AUX
fbem-1666	92	10	133	133	NUM
fbem-1666	92	11	kilometers	kilometer	NOUN
fbem-1666	92	12	away	away	ADV
fbem-1666	92	13	from	from	ADP
fbem-1666	92	14	10	10	NUM
fbem-1666	92	15	other	other	ADJ
fbem-1666	92	16	cities	city	NOUN
fbem-1666	92	17	.	.	PUNCT
fbem-1666	93	1	3.1.4	3.1.4	X
fbem-1666	93	2	.	.	PUNCT
fbem-1666	94	1	summary	summary	NOUN
fbem-1666	94	2	statistics	statistic	NOUN
fbem-1666	94	3	table	table	NOUN
fbem-1666	94	4	1	1	NUM
fbem-1666	94	5	reports	report	VERB
fbem-1666	94	6	the	the	DET
fbem-1666	94	7	descriptive	descriptive	ADJ
fbem-1666	94	8	statistics	statistic	NOUN
fbem-1666	94	9	of	of	ADP
fbem-1666	94	10	key	key	ADJ
fbem-1666	94	11	variables	variable	NOUN
fbem-1666	94	12	.	.	PUNCT
fbem-1666	95	1	both	both	DET
fbem-1666	95	2	gdp	gdp	NOUN
fbem-1666	95	3	per	per	ADP
fbem-1666	95	4	capita	capita	NOUN
fbem-1666	95	5	of	of	ADP
fbem-1666	95	6	each	each	DET
fbem-1666	95	7	city	city	NOUN
fbem-1666	95	8	and	and	CCONJ
fbem-1666	95	9	the	the	DET
fbem-1666	95	10	number	number	NOUN
fbem-1666	95	11	of	of	ADP
fbem-1666	95	12	inter	inter	ADJ
fbem-1666	95	13	-	-	ADJ
fbem-1666	95	14	city	city	ADJ
fbem-1666	95	15	cooperation	cooperation	NOUN
fbem-1666	95	16	have	have	VERB
fbem-1666	95	17	the	the	DET
fbem-1666	95	18	widest	wide	ADJ
fbem-1666	95	19	range	range	NOUN
fbem-1666	95	20	in	in	ADP
fbem-1666	95	21	the	the	DET
fbem-1666	95	22	study	study	NOUN
fbem-1666	95	23	period	period	NOUN
fbem-1666	95	24	of	of	ADP
fbem-1666	95	25	the	the	DET
fbem-1666	95	26	sample	sample	NOUN
fbem-1666	95	27	,	,	PUNCT
fbem-1666	95	28	with	with	ADP
fbem-1666	95	29	a	a	DET
fbem-1666	95	30	twenty	twenty	NUM
fbem-1666	95	31	times	time	NOUN
fbem-1666	95	32	difference	difference	NOUN
fbem-1666	95	33	.	.	PUNCT
fbem-1666	96	1	in	in	ADP
fbem-1666	96	2	addition	addition	NOUN
fbem-1666	96	3	,	,	PUNCT
fbem-1666	96	4	per	per	ADP
fbem-1666	96	5	capita	capita	NOUN
fbem-1666	96	6	car	car	NOUN
fbem-1666	96	7	ownership	ownership	NOUN
fbem-1666	96	8	varies	vary	VERB
fbem-1666	96	9	dramatically	dramatically	ADV
fbem-1666	96	10	,	,	PUNCT
fbem-1666	96	11	from	from	ADP
fbem-1666	96	12	0.03	0.03	NUM
fbem-1666	96	13	to	to	ADP
fbem-1666	96	14	0.33	0.33	NUM
fbem-1666	96	15	.	.	PUNCT
fbem-1666	97	1	by	by	ADP
fbem-1666	97	2	contrast	contrast	NOUN
fbem-1666	97	3	,	,	PUNCT
fbem-1666	97	4	there	there	PRON
fbem-1666	97	5	is	be	VERB
fbem-1666	97	6	not	not	PART
fbem-1666	97	7	a	a	DET
fbem-1666	97	8	considerable	considerable	ADJ
fbem-1666	97	9	difference	difference	NOUN
fbem-1666	97	10	in	in	ADP
fbem-1666	97	11	the	the	DET
fbem-1666	97	12	average	average	ADJ
fbem-1666	97	13	distance	distance	NOUN
fbem-1666	97	14	of	of	ADP
fbem-1666	97	15	one	one	NUM
fbem-1666	97	16	city	city	NOUN
fbem-1666	97	17	to	to	ADP
fbem-1666	97	18	other	other	ADJ
fbem-1666	97	19	cities	city	NOUN
fbem-1666	97	20	.	.	PUNCT
fbem-1666	98	1	when	when	SCONJ
fbem-1666	98	2	it	it	PRON
fbem-1666	98	3	comes	come	VERB
fbem-1666	98	4	to	to	ADP
fbem-1666	98	5	air	air	NOUN
fbem-1666	98	6	pollution	pollution	NOUN
fbem-1666	98	7	,	,	PUNCT
fbem-1666	98	8	pm10	pm10	PROPN
fbem-1666	98	9	concentration	concentration	NOUN
fbem-1666	98	10	varies	vary	VERB
fbem-1666	98	11	significantly	significantly	ADV
fbem-1666	98	12	(	(	PUNCT
fbem-1666	98	13	from	from	ADP
fbem-1666	98	14	1.73	1.73	NUM
fbem-1666	98	15	to	to	ADP
fbem-1666	98	16	14.84	14.84	NUM
fbem-1666	98	17	)	)	PUNCT
fbem-1666	98	18	while	while	SCONJ
fbem-1666	98	19	pm2.5	pm2.5	DET
fbem-1666	98	20	concentration	concentration	NOUN
fbem-1666	98	21	changes	change	NOUN
fbem-1666	98	22	slightly	slightly	ADV
fbem-1666	98	23	(	(	PUNCT
fbem-1666	98	24	from	from	ADP
fbem-1666	98	25	19	19	NUM
fbem-1666	98	26	to	to	PART
fbem-1666	98	27	51	51	NUM
fbem-1666	98	28	)	)	PUNCT
fbem-1666	98	29	between	between	ADP
fbem-1666	98	30	cities	city	NOUN
fbem-1666	98	31	.	.	PUNCT
fbem-1666	99	1	table	table	NOUN
fbem-1666	99	2	1	1	NUM
fbem-1666	99	3	.	.	PUNCT
fbem-1666	99	4	descriptive	descriptive	ADJ
fbem-1666	99	5	statistics	statistic	NOUN
fbem-1666	99	6	of	of	ADP
fbem-1666	99	7	key	key	ADJ
fbem-1666	99	8	variables	variable	NOUN
fbem-1666	99	9	variable	variable	ADJ
fbem-1666	99	10	label	label	NOUN
fbem-1666	100	1	n	n	PRON
fbem-1666	100	2	mean	mean	VERB
fbem-1666	100	3	sd	sd	ADP
fbem-1666	100	4	min	min	PROPN
fbem-1666	100	5	max	max	PROPN
fbem-1666	100	6	economic	economic	PROPN
fbem-1666	100	7	attribute	attribute	PROPN
fbem-1666	100	8	gdp	gdp	PROPN
fbem-1666	100	9	gdp	gdp	PROPN
fbem-1666	100	10	per	per	ADP
fbem-1666	100	11	capita	capita	NOUN
fbem-1666	100	12	,	,	PUNCT
fbem-1666	100	13	cny	cny	NOUN
fbem-1666	100	14	as	as	ADP
fbem-1666	100	15	unit	unit	NOUN
fbem-1666	100	16	110	110	NUM
fbem-1666	100	17	144941	144941	NUM
fbem-1666	100	18	128763.2	128763.2	NUM
fbem-1666	100	19	24875	24875	NUM
fbem-1666	100	20	566180.9	566180.9	NUM
fbem-1666	100	21	air	air	NOUN
fbem-1666	100	22	pollution	pollution	NOUN
fbem-1666	100	23	pm10	pm10	PROPN
fbem-1666	100	24	pm10	pm10	PROPN
fbem-1666	100	25	pollution	pollution	NOUN
fbem-1666	100	26	,	,	PUNCT
fbem-1666	100	27	µg	µg	ADJ
fbem-1666	100	28	/	/	SYM
fbem-1666	100	29	m³	m³	VERB
fbem-1666	100	30	110	110	NUM
fbem-1666	100	31	3.84	3.84	NUM
fbem-1666	100	32	2.02	2.02	NUM
fbem-1666	100	33	1.73	1.73	NUM
fbem-1666	100	34	14.84	14.84	NUM
fbem-1666	100	35	pm25	pm25	PROPN
fbem-1666	100	36	pm25	pm25	PROPN
fbem-1666	100	37	pollution	pollution	NOUN
fbem-1666	100	38	,	,	PUNCT
fbem-1666	100	39	µg	µg	ADJ
fbem-1666	100	40	/	/	SYM
fbem-1666	100	41	m³	m³	VERB
fbem-1666	100	42	110	110	NUM
fbem-1666	100	43	33.28	33.28	NUM
fbem-1666	100	44	7.43	7.43	NUM
fbem-1666	100	45	19	19	NUM
fbem-1666	100	46	51	51	NUM
fbem-1666	100	47	other	other	ADJ
fbem-1666	100	48	attributes	attribute	VERB
fbem-1666	100	49	num_c	num_c	PROPN
fbem-1666	100	50	the	the	DET
fbem-1666	100	51	number	number	NOUN
fbem-1666	100	52	of	of	ADP
fbem-1666	100	53	inter	inter	ADJ
fbem-1666	100	54	-	-	ADJ
fbem-1666	100	55	city	city	ADJ
fbem-1666	100	56	cooperation	cooperation	NOUN
fbem-1666	100	57	110	110	NUM
fbem-1666	100	58	144941	144941	NUM
fbem-1666	100	59	128763.2	128763.2	NUM
fbem-1666	100	60	24875	24875	NUM
fbem-1666	100	61	566180.9	566180.9	NUM
fbem-1666	100	62	car	car	NOUN
fbem-1666	100	63	per	per	ADP
fbem-1666	100	64	capita	capita	X
fbem-1666	100	65	car	car	NOUN
fbem-1666	100	66	ownership	ownership	NOUN
fbem-1666	100	67	110	110	NUM
fbem-1666	100	68	0.15	0.15	NUM
fbem-1666	100	69	0.07	0.07	NUM
fbem-1666	100	70	0.03	0.03	NUM
fbem-1666	100	71	0.33	0.33	NUM
fbem-1666	100	72	dist	dist	NOUN
fbem-1666	100	73	average	average	ADJ
fbem-1666	100	74	distance	distance	NOUN
fbem-1666	100	75	of	of	ADP
fbem-1666	100	76	one	one	NUM
fbem-1666	100	77	city	city	NOUN
fbem-1666	100	78	to	to	ADP
fbem-1666	100	79	other	other	ADJ
fbem-1666	100	80	cities	city	NOUN
fbem-1666	100	81	,	,	PUNCT
fbem-1666	100	82	km	km	NOUN
fbem-1666	100	83	in	in	ADP
fbem-1666	100	84	unit	unit	NOUN
fbem-1666	100	85	110	110	NUM
fbem-1666	100	86	90.02	90.02	NUM
fbem-1666	100	87	18.92	18.92	NUM
fbem-1666	100	88	69.12	69.12	NUM
fbem-1666	100	89	133	133	NUM
fbem-1666	100	90	year	year	NOUN
fbem-1666	100	91	10	10	NUM
fbem-1666	100	92	consecutive	consecutive	ADJ
fbem-1666	100	93	years	year	NOUN
fbem-1666	101	1	110	110	NUM
fbem-1666	101	2	2014.5	2014.5	NUM
fbem-1666	101	3	2.89	2.89	NUM
fbem-1666	101	4	2010	2010	NUM
fbem-1666	101	5	2019	2019	NUM
fbem-1666	101	6	70	70	NUM
fbem-1666	101	7	3.2	3.2	NUM
fbem-1666	101	8	.	.	PUNCT
fbem-1666	102	1	econometric	econometric	ADJ
fbem-1666	102	2	models	model	NOUN
fbem-1666	102	3	following	follow	VERB
fbem-1666	102	4	the	the	DET
fbem-1666	102	5	multiple	multiple	ADJ
fbem-1666	102	6	linear	linear	PROPN
fbem-1666	102	7	regression	regression	NOUN
fbem-1666	102	8	ols	ol	NOUN
fbem-1666	102	9	model	model	NOUN
fbem-1666	102	10	,	,	PUNCT
fbem-1666	102	11	i	i	PRON
fbem-1666	102	12	employ	employ	VERB
fbem-1666	102	13	a	a	DET
fbem-1666	102	14	logarithm	logarithm	NOUN
fbem-1666	102	15	form	form	NOUN
fbem-1666	102	16	of	of	ADP
fbem-1666	102	17	gdp	gdp	NOUN
fbem-1666	102	18	per	per	ADP
fbem-1666	102	19	capita	capita	NOUN
fbem-1666	102	20	,	,	PUNCT
fbem-1666	102	21	pm10	pm10	PROPN
fbem-1666	102	22	pollution	pollution	NOUN
fbem-1666	102	23	and	and	CCONJ
fbem-1666	102	24	pm2.5	pm2.5	ADJ
fbem-1666	102	25	pollution	pollution	NOUN
fbem-1666	102	26	as	as	ADP
fbem-1666	102	27	the	the	DET
fbem-1666	102	28	dependent	dependent	ADJ
fbem-1666	102	29	variable	variable	NOUN
fbem-1666	102	30	and	and	CCONJ
fbem-1666	102	31	regress	regress	NOUN
fbem-1666	102	32	it	it	PRON
fbem-1666	102	33	on	on	ADP
fbem-1666	102	34	the	the	DET
fbem-1666	102	35	number	number	NOUN
fbem-1666	102	36	of	of	ADP
fbem-1666	102	37	inter	inter	ADJ
fbem-1666	102	38	-	-	ADJ
fbem-1666	102	39	city	city	ADJ
fbem-1666	102	40	cooperation	cooperation	NOUN
fbem-1666	102	41	and	and	CCONJ
fbem-1666	102	42	per	per	ADP
fbem-1666	102	43	capita	capita	NOUN
fbem-1666	102	44	car	car	NOUN
fbem-1666	102	45	ownership	ownership	NOUN
fbem-1666	102	46	.	.	PUNCT
fbem-1666	103	1	the	the	DET
fbem-1666	103	2	baseline	baseline	PROPN
fbem-1666	103	3	specification	specification	NOUN
fbem-1666	103	4	becomes	become	VERB
fbem-1666	103	5	:	:	PUNCT
fbem-1666	103	6	𝑙𝑛	𝑙𝑛	PROPN
fbem-1666	103	7	𝑌	𝑌	PROPN
fbem-1666	103	8	𝜃	𝜃	PROPN
fbem-1666	103	9	𝜃	𝜃	PUNCT
fbem-1666	103	10	𝐶	𝐶	NOUN
fbem-1666	103	11	𝜃	𝜃	NOUN
fbem-1666	103	12	𝑋	𝑋	NOUN
fbem-1666	103	13	𝛿	𝛿	ADJ
fbem-1666	103	14	𝜀	𝜀	X
fbem-1666	103	15	(	(	PUNCT
fbem-1666	103	16	1	1	NUM
fbem-1666	103	17	)	)	PUNCT
fbem-1666	103	18	where	where	SCONJ
fbem-1666	103	19	y	y	PROPN
fbem-1666	103	20	,	,	PUNCT
fbem-1666	103	21	is	be	AUX
fbem-1666	103	22	the	the	DET
fbem-1666	103	23	effect	effect	NOUN
fbem-1666	103	24	which	which	PRON
fbem-1666	103	25	is	be	AUX
fbem-1666	103	26	quantified	quantify	VERB
fbem-1666	103	27	,	,	PUNCT
fbem-1666	103	28	gdp	gdp	NOUN
fbem-1666	103	29	per	per	ADP
fbem-1666	103	30	capita	capita	NOUN
fbem-1666	103	31	,	,	PUNCT
fbem-1666	103	32	pm10	pm10	PROPN
fbem-1666	103	33	pollution	pollution	NOUN
fbem-1666	103	34	,	,	PUNCT
fbem-1666	103	35	or	or	CCONJ
fbem-1666	103	36	pm2.5	pm2.5	PRON
fbem-1666	103	37	pollution	pollution	NOUN
fbem-1666	103	38	in	in	ADP
fbem-1666	103	39	that	that	DET
fbem-1666	103	40	year	year	NOUN
fbem-1666	103	41	.	.	PUNCT
fbem-1666	104	1	itc	itc	PROPN
fbem-1666	104	2	is	be	AUX
fbem-1666	104	3	the	the	DET
fbem-1666	104	4	number	number	NOUN
fbem-1666	104	5	of	of	ADP
fbem-1666	104	6	inter	inter	ADJ
fbem-1666	104	7	-	-	ADJ
fbem-1666	104	8	city	city	ADJ
fbem-1666	104	9	cooperation	cooperation	NOUN
fbem-1666	104	10	.	.	PUNCT
fbem-1666	105	1	x	x	PUNCT
fbem-1666	105	2	is	be	AUX
fbem-1666	105	3	per	per	ADP
fbem-1666	105	4	capita	capita	X
fbem-1666	105	5	car	car	NOUN
fbem-1666	105	6	ownership	ownership	NOUN
fbem-1666	105	7	.	.	PUNCT
fbem-1666	106	1	t	t	PROPN
fbem-1666	106	2	is	be	AUX
fbem-1666	106	3	yearly	yearly	ADV
fbem-1666	106	4	fixed	fix	VERB
fbem-1666	106	5	effect	effect	NOUN
fbem-1666	106	6	that	that	SCONJ
fbem-1666	106	7	control	control	VERB
fbem-1666	106	8	for	for	ADP
fbem-1666	106	9	unobserved	unobserved	ADJ
fbem-1666	106	10	attributes	attribute	NOUN
fbem-1666	106	11	over	over	ADP
fbem-1666	106	12	time	time	NOUN
fbem-1666	106	13	.	.	PUNCT
fbem-1666	107	1	standard	standard	ADJ
fbem-1666	107	2	errors	error	NOUN
fbem-1666	107	3	it	it	NUM
fbem-1666	107	4	are	be	AUX
fbem-1666	107	5	clustered	cluster	VERB
fbem-1666	107	6	at	at	ADP
fbem-1666	107	7	the	the	DET
fbem-1666	107	8	district	district	NOUN
fbem-1666	107	9	level	level	NOUN
fbem-1666	107	10	.	.	PUNCT
fbem-1666	108	1	in	in	ADP
fbem-1666	108	2	the	the	DET
fbem-1666	108	3	meantime	meantime	NOUN
fbem-1666	108	4	,	,	PUNCT
fbem-1666	108	5	for	for	ADP
fbem-1666	108	6	the	the	DET
fbem-1666	108	7	purpose	purpose	NOUN
fbem-1666	108	8	of	of	ADP
fbem-1666	108	9	solving	solve	VERB
fbem-1666	108	10	endogeneity	endogeneity	NOUN
fbem-1666	108	11	better	well	ADV
fbem-1666	108	12	,	,	PUNCT
fbem-1666	108	13	we	we	PRON
fbem-1666	108	14	use	use	VERB
fbem-1666	108	15	instrumental	instrumental	ADJ
fbem-1666	108	16	variable	variable	ADJ
fbem-1666	108	17	model	model	NOUN
fbem-1666	108	18	further	further	ADJ
fbem-1666	108	19	process	process	NOUN
fbem-1666	108	20	data	datum	NOUN
fbem-1666	108	21	.	.	PUNCT
fbem-1666	109	1	model	model	NOUN
fbem-1666	109	2	as	as	SCONJ
fbem-1666	109	3	follows	follow	VERB
fbem-1666	109	4	:	:	PUNCT
fbem-1666	109	5	𝐶	𝐶	PROPN
fbem-1666	109	6	𝜃	𝜃	PUNCT
fbem-1666	109	7	𝜃	𝜃	NOUN
fbem-1666	109	8	𝐷𝑖𝑠𝑡	𝐷𝑖𝑠𝑡	PROPN
fbem-1666	109	9	𝜀	𝜀	NOUN
fbem-1666	109	10	(	(	PUNCT
fbem-1666	109	11	2	2	NUM
fbem-1666	109	12	)	)	PUNCT
fbem-1666	109	13	tdist	tdist	NOUN
fbem-1666	109	14	is	be	AUX
fbem-1666	109	15	on	on	ADP
fbem-1666	109	16	behalf	behalf	NOUN
fbem-1666	109	17	of	of	ADP
fbem-1666	109	18	the	the	DET
fbem-1666	109	19	average	average	ADJ
fbem-1666	109	20	distance	distance	NOUN
fbem-1666	109	21	of	of	ADP
fbem-1666	109	22	one	one	NUM
fbem-1666	109	23	city	city	NOUN
fbem-1666	109	24	to	to	ADP
fbem-1666	109	25	other	other	ADJ
fbem-1666	109	26	cities	city	NOUN
fbem-1666	109	27	in	in	ADP
fbem-1666	109	28	gba	gba	PROPN
fbem-1666	109	29	,	,	PUNCT
fbem-1666	109	30	which	which	PRON
fbem-1666	109	31	is	be	AUX
fbem-1666	109	32	exogenous	exogenous	ADJ
fbem-1666	109	33	.	.	PUNCT
fbem-1666	110	1	it	it	NUM
fbem-1666	110	2	is	be	AUX
fbem-1666	110	3	standard	standard	ADJ
fbem-1666	110	4	error	error	NOUN
fbem-1666	110	5	.	.	PUNCT
fbem-1666	111	1	4	4	X
fbem-1666	111	2	.	.	X
fbem-1666	111	3	empirical	empirical	ADJ
fbem-1666	111	4	results	result	NOUN
fbem-1666	111	5	table	table	NOUN
fbem-1666	111	6	2	2	NUM
fbem-1666	111	7	displays	display	VERB
fbem-1666	111	8	the	the	DET
fbem-1666	111	9	empirical	empirical	ADJ
fbem-1666	111	10	results	result	NOUN
fbem-1666	111	11	with	with	ADP
fbem-1666	111	12	yearly	yearly	ADJ
fbem-1666	111	13	fixed	fix	VERB
fbem-1666	111	14	effect	effect	NOUN
fbem-1666	111	15	.	.	PUNCT
fbem-1666	112	1	for	for	ADP
fbem-1666	112	2	column	column	NOUN
fbem-1666	112	3	1	1	NUM
fbem-1666	112	4	,	,	PUNCT
fbem-1666	112	5	the	the	DET
fbem-1666	112	6	negative	negative	ADJ
fbem-1666	112	7	coefficient	coefficient	NOUN
fbem-1666	112	8	on	on	ADP
fbem-1666	112	9	num_c	num_c	PROPN
fbem-1666	112	10	shows	show	VERB
fbem-1666	112	11	that	that	PRON
fbem-1666	112	12	increase	increase	NOUN
fbem-1666	112	13	in	in	ADP
fbem-1666	112	14	the	the	DET
fbem-1666	112	15	number	number	NOUN
fbem-1666	112	16	of	of	ADP
fbem-1666	112	17	inter	inter	ADJ
fbem-1666	112	18	-	-	ADJ
fbem-1666	112	19	city	city	ADJ
fbem-1666	112	20	cooperation	cooperation	NOUN
fbem-1666	112	21	helps	help	VERB
fbem-1666	112	22	improve	improve	VERB
fbem-1666	112	23	air	air	NOUN
fbem-1666	112	24	quality	quality	NOUN
fbem-1666	112	25	.	.	PUNCT
fbem-1666	113	1	each	each	DET
fbem-1666	113	2	time	time	NOUN
fbem-1666	113	3	increases	increase	VERB
fbem-1666	113	4	in	in	ADP
fbem-1666	113	5	the	the	DET
fbem-1666	113	6	number	number	NOUN
fbem-1666	113	7	of	of	ADP
fbem-1666	113	8	cooperation	cooperation	NOUN
fbem-1666	113	9	between	between	ADP
fbem-1666	113	10	cities	city	NOUN
fbem-1666	113	11	drops	drop	VERB
fbem-1666	113	12	pm10	pm10	PROPN
fbem-1666	113	13	concentration	concentration	NOUN
fbem-1666	113	14	by	by	ADP
fbem-1666	113	15	0.1	0.1	NUM
fbem-1666	113	16	%	%	NOUN
fbem-1666	113	17	if	if	SCONJ
fbem-1666	113	18	holding	hold	VERB
fbem-1666	113	19	other	other	ADJ
fbem-1666	113	20	things	thing	NOUN
fbem-1666	113	21	equal	equal	ADJ
fbem-1666	113	22	.	.	PUNCT
fbem-1666	114	1	not	not	PART
fbem-1666	114	2	only	only	ADV
fbem-1666	114	3	that	that	PRON
fbem-1666	114	4	,	,	PUNCT
fbem-1666	114	5	pm2.5	pm2.5	DET
fbem-1666	114	6	concentration	concentration	NOUN
fbem-1666	114	7	decreases	decrease	VERB
fbem-1666	114	8	0.09	0.09	NUM
fbem-1666	114	9	%	%	NOUN
fbem-1666	114	10	on	on	ADP
fbem-1666	114	11	the	the	DET
fbem-1666	114	12	situation	situation	NOUN
fbem-1666	114	13	that	that	SCONJ
fbem-1666	114	14	cooperation	cooperation	NOUN
fbem-1666	114	15	increases	increase	VERB
fbem-1666	114	16	once	once	ADV
fbem-1666	114	17	.	.	PUNCT
fbem-1666	115	1	in	in	ADP
fbem-1666	115	2	terms	term	NOUN
fbem-1666	115	3	of	of	ADP
fbem-1666	115	4	economy	economy	NOUN
fbem-1666	115	5	,	,	PUNCT
fbem-1666	115	6	positive	positive	ADJ
fbem-1666	115	7	coefficient	coefficient	NOUN
fbem-1666	115	8	on	on	ADP
fbem-1666	115	9	gdp	gdp	NOUN
fbem-1666	115	10	per	per	ADP
fbem-1666	115	11	capita	capita	NOUN
fbem-1666	115	12	which	which	PRON
fbem-1666	115	13	is	be	AUX
fbem-1666	115	14	0.0125	0.0125	NUM
fbem-1666	115	15	reveals	reveal	VERB
fbem-1666	115	16	the	the	DET
fbem-1666	115	17	facilitation	facilitation	NOUN
fbem-1666	115	18	of	of	ADP
fbem-1666	115	19	economic	economic	ADJ
fbem-1666	115	20	benefits	benefit	NOUN
fbem-1666	115	21	.	.	PUNCT
fbem-1666	116	1	car	car	NOUN
fbem-1666	116	2	ownership	ownership	NOUN
fbem-1666	116	3	per	per	ADP
fbem-1666	116	4	capita	capita	NOUN
fbem-1666	116	5	which	which	PRON
fbem-1666	116	6	has	have	VERB
fbem-1666	116	7	a	a	DET
fbem-1666	116	8	bad	bad	ADJ
fbem-1666	116	9	influence	influence	NOUN
fbem-1666	116	10	on	on	ADP
fbem-1666	116	11	the	the	DET
fbem-1666	116	12	environment	environment	NOUN
fbem-1666	116	13	is	be	AUX
fbem-1666	116	14	of	of	ADP
fbem-1666	116	15	great	great	ADJ
fbem-1666	116	16	benefit	benefit	NOUN
fbem-1666	116	17	to	to	ADP
fbem-1666	116	18	economic	economic	ADJ
fbem-1666	116	19	development	development	NOUN
fbem-1666	116	20	.	.	PUNCT
fbem-1666	117	1	it	it	PRON
fbem-1666	117	2	can	can	AUX
fbem-1666	117	3	be	be	AUX
fbem-1666	117	4	seen	see	VERB
fbem-1666	117	5	from	from	ADP
fbem-1666	117	6	table	table	NOUN
fbem-1666	117	7	2	2	NUM
fbem-1666	117	8	that	that	PRON
fbem-1666	117	9	,	,	PUNCT
fbem-1666	117	10	other	other	ADJ
fbem-1666	117	11	things	thing	NOUN
fbem-1666	117	12	being	be	AUX
fbem-1666	117	13	equal	equal	ADJ
fbem-1666	117	14	,	,	PUNCT
fbem-1666	117	15	for	for	ADP
fbem-1666	117	16	every	every	DET
fbem-1666	117	17	1	1	NUM
fbem-1666	117	18	unit	unit	NOUN
fbem-1666	117	19	increase	increase	NOUN
fbem-1666	117	20	in	in	ADP
fbem-1666	117	21	car	car	NOUN
fbem-1666	117	22	ownership	ownership	NOUN
fbem-1666	117	23	per	per	ADP
fbem-1666	117	24	capita	capita	X
fbem-1666	117	25	on	on	ADP
fbem-1666	117	26	average	average	ADJ
fbem-1666	117	27	,	,	PUNCT
fbem-1666	117	28	the	the	DET
fbem-1666	117	29	concentration	concentration	NOUN
fbem-1666	117	30	of	of	ADP
fbem-1666	117	31	pm10	pm10	PROPN
fbem-1666	117	32	and	and	CCONJ
fbem-1666	117	33	pm2.5	pm2.5	PROPN
fbem-1666	117	34	rises	rise	NOUN
fbem-1666	117	35	by	by	ADP
fbem-1666	117	36	38	38	NUM
fbem-1666	117	37	%	%	NOUN
fbem-1666	117	38	and	and	CCONJ
fbem-1666	117	39	98	98	NUM
fbem-1666	117	40	%	%	NOUN
fbem-1666	117	41	,	,	PUNCT
fbem-1666	117	42	respectively	respectively	ADV
fbem-1666	117	43	.	.	PUNCT
fbem-1666	118	1	conversely	conversely	ADV
fbem-1666	118	2	,	,	PUNCT
fbem-1666	118	3	gdp	gdp	NOUN
fbem-1666	118	4	per	per	ADP
fbem-1666	118	5	capita	capita	NOUN
fbem-1666	118	6	shows	show	VERB
fbem-1666	118	7	a	a	DET
fbem-1666	118	8	155	155	NUM
fbem-1666	118	9	%	%	NOUN
fbem-1666	118	10	growth	growth	NOUN
fbem-1666	118	11	if	if	SCONJ
fbem-1666	118	12	car	car	NOUN
fbem-1666	118	13	ownership	ownership	NOUN
fbem-1666	118	14	per	per	ADP
fbem-1666	118	15	capita	capita	NOUN
fbem-1666	118	16	increases	increase	NOUN
fbem-1666	118	17	once	once	ADV
fbem-1666	118	18	when	when	SCONJ
fbem-1666	118	19	controlling	control	VERB
fbem-1666	118	20	for	for	ADP
fbem-1666	118	21	other	other	ADJ
fbem-1666	118	22	variables	variable	NOUN
fbem-1666	118	23	.	.	PUNCT
fbem-1666	119	1	table	table	NOUN
fbem-1666	119	2	2	2	NUM
fbem-1666	119	3	.	.	PUNCT
fbem-1666	119	4	empirical	empirical	ADJ
fbem-1666	119	5	results	result	NOUN
fbem-1666	119	6	of	of	ADP
fbem-1666	119	7	effect	effect	NOUN
fbem-1666	119	8	on	on	ADP
fbem-1666	119	9	economy	economy	NOUN
fbem-1666	119	10	and	and	CCONJ
fbem-1666	119	11	environment	environment	NOUN
fbem-1666	119	12	column	column	NOUN
fbem-1666	119	13	1	1	NUM
fbem-1666	119	14	column	column	NOUN
fbem-1666	119	15	2	2	NUM
fbem-1666	119	16	column	column	NOUN
fbem-1666	119	17	3	3	NUM
fbem-1666	119	18	variables	variable	NOUN
fbem-1666	119	19	ln_pm10	ln_pm10	PRON
fbem-1666	119	20	ln_pm2.5	ln_pm2.5	PROPN
fbem-1666	119	21	ln_gdp	ln_gdp	PROPN
fbem-1666	119	22	per	per	ADP
fbem-1666	119	23	capita	capita	X
fbem-1666	119	24	num_c	num_c	PROPN
fbem-1666	119	25	-0.001	-0.001	NUM
fbem-1666	120	1	-0.0009	-0.0009	PROPN
fbem-1666	120	2	0.0125	0.0125	NUM
fbem-1666	120	3	car	car	NOUN
fbem-1666	120	4	0.3807	0.3807	NUM
fbem-1666	120	5	0.9842	0.9842	NUM
fbem-1666	120	6	1.5555	1.5555	NUM
fbem-1666	120	7	constant	constant	ADJ
fbem-1666	120	8	1.2045	1.2045	NUM
fbem-1666	120	9	3.3499	3.3499	NUM
fbem-1666	120	10	11.1618	11.1618	NUM
fbem-1666	120	11	year	year	NOUN
fbem-1666	120	12	fe	fe	X
fbem-1666	120	13	y	y	PROPN
fbem-1666	120	14	y	y	PROPN
fbem-1666	120	15	y	y	PROPN
fbem-1666	120	16	r2	r2	PROPN
fbem-1666	120	17	0.6501	0.6501	NUM
fbem-1666	120	18	0.5681	0.5681	NUM
fbem-1666	120	19	0.1286	0.1286	NUM
fbem-1666	120	20	n	n	PRON
fbem-1666	120	21	110	110	NUM
fbem-1666	120	22	110	110	NUM
fbem-1666	120	23	110	110	NUM
fbem-1666	120	24	now	now	ADV
fbem-1666	120	25	we	we	PRON
fbem-1666	120	26	consider	consider	VERB
fbem-1666	120	27	two‐stage	two‐stage	NOUN
fbem-1666	120	28	least	least	ADJ
fbem-1666	120	29	squares	square	NOUN
fbem-1666	120	30	(	(	PUNCT
fbem-1666	120	31	2sls	2sls	NOUN
fbem-1666	120	32	)	)	PUNCT
fbem-1666	120	33	and	and	CCONJ
fbem-1666	120	34	simple	simple	ADJ
fbem-1666	120	35	instrumental	instrumental	ADJ
fbem-1666	120	36	variable	variable	NOUN
fbem-1666	120	37	(	(	PUNCT
fbem-1666	120	38	iv	iv	NOUN
fbem-1666	120	39	)	)	PUNCT
fbem-1666	120	40	type	type	NOUN
fbem-1666	120	41	estimation	estimation	NOUN
fbem-1666	120	42	of	of	ADP
fbem-1666	120	43	panel	panel	NOUN
fbem-1666	120	44	data	datum	NOUN
fbem-1666	120	45	models	model	NOUN
fbem-1666	120	46	.	.	PUNCT
fbem-1666	121	1	table	table	NOUN
fbem-1666	121	2	3	3	NUM
fbem-1666	121	3	shows	show	VERB
fbem-1666	121	4	that	that	SCONJ
fbem-1666	121	5	the	the	DET
fbem-1666	121	6	introduction	introduction	NOUN
fbem-1666	121	7	of	of	ADP
fbem-1666	121	8	iv	iv	NUM
fbem-1666	121	9	alleviates	alleviate	VERB
fbem-1666	121	10	the	the	DET
fbem-1666	121	11	issue	issue	NOUN
fbem-1666	121	12	of	of	ADP
fbem-1666	121	13	endogeneity	endogeneity	NOUN
fbem-1666	121	14	.	.	PUNCT
fbem-1666	122	1	after	after	ADP
fbem-1666	122	2	using	use	VERB
fbem-1666	122	3	instrumental	instrumental	ADJ
fbem-1666	122	4	variables	variable	NOUN
fbem-1666	122	5	,	,	PUNCT
fbem-1666	122	6	the	the	DET
fbem-1666	122	7	coefficient	coefficient	NOUN
fbem-1666	122	8	and	and	CCONJ
fbem-1666	122	9	r	r	NOUN
fbem-1666	122	10	-	-	PUNCT
fbem-1666	122	11	squared	square	VERB
fbem-1666	122	12	of	of	ADP
fbem-1666	122	13	three	three	NUM
fbem-1666	122	14	dependent	dependent	ADJ
fbem-1666	122	15	variables	variable	NOUN
fbem-1666	122	16	all	all	PRON
fbem-1666	122	17	have	have	AUX
fbem-1666	122	18	changed	change	VERB
fbem-1666	122	19	.	.	PUNCT
fbem-1666	123	1	table	table	NOUN
fbem-1666	123	2	3	3	NUM
fbem-1666	123	3	.	.	PUNCT
fbem-1666	123	4	empirical	empirical	ADJ
fbem-1666	123	5	results	result	NOUN
fbem-1666	123	6	of	of	ADP
fbem-1666	123	7	iv	iv	NUM
fbem-1666	123	8	column	column	NOUN
fbem-1666	123	9	1	1	NUM
fbem-1666	123	10	column	column	NOUN
fbem-1666	123	11	2	2	NUM
fbem-1666	123	12	column	column	NOUN
fbem-1666	123	13	3	3	NUM
fbem-1666	123	14	variables	variable	NOUN
fbem-1666	123	15	ln_pm10	ln_pm10	PRON
fbem-1666	123	16	ln_pm2.5	ln_pm2.5	PROPN
fbem-1666	123	17	ln_gdp	ln_gdp	PROPN
fbem-1666	123	18	per	per	ADP
fbem-1666	123	19	capita	capita	X
fbem-1666	123	20	num_c	num_c	PROPN
fbem-1666	123	21	-0.0376	-0.0376	PROPN
fbem-1666	123	22	-0.0097	-0.0097	PROPN
fbem-1666	124	1	1.7976	1.7976	NUM
fbem-1666	124	2	car	car	NOUN
fbem-1666	124	3	-0.8229	-0.8229	NOUN
fbem-1666	124	4	0.6921	0.6921	NUM
fbem-1666	124	5	60.3642	60.3642	NUM
fbem-1666	124	6	year	year	NOUN
fbem-1666	124	7	fe	fe	X
fbem-1666	124	8	y	y	PROPN
fbem-1666	124	9	y	y	PROPN
fbem-1666	124	10	y	y	PROPN
fbem-1666	124	11	root	root	PROPN
fbem-1666	124	12	mse	mse	PROPN
fbem-1666	124	13	0.5631	0.5631	NUM
fbem-1666	124	14	0.1981	0.1981	NUM
fbem-1666	124	15	24.15	24.15	NUM
fbem-1666	124	16	n	n	CCONJ
fbem-1666	124	17	110	110	NUM
fbem-1666	124	18	110	110	NUM
fbem-1666	124	19	110	110	NUM
fbem-1666	124	20	5	5	NUM
fbem-1666	124	21	.	.	PUNCT
fbem-1666	125	1	conclusion	conclusion	VERB
fbem-1666	125	2	this	this	DET
fbem-1666	125	3	paper	paper	NOUN
fbem-1666	125	4	documents	document	NOUN
fbem-1666	125	5	how	how	SCONJ
fbem-1666	125	6	regional	regional	ADJ
fbem-1666	125	7	cities	city	NOUN
fbem-1666	125	8	strategically	strategically	ADV
fbem-1666	125	9	interact	interact	VERB
fbem-1666	125	10	with	with	ADP
fbem-1666	125	11	each	each	DET
fbem-1666	125	12	other	other	ADJ
fbem-1666	125	13	in	in	ADP
fbem-1666	125	14	improving	improve	VERB
fbem-1666	125	15	environmental	environmental	ADJ
fbem-1666	125	16	quality	quality	NOUN
fbem-1666	125	17	and	and	CCONJ
fbem-1666	125	18	the	the	DET
fbem-1666	125	19	local	local	ADJ
fbem-1666	125	20	economy	economy	NOUN
fbem-1666	125	21	in	in	ADP
fbem-1666	125	22	the	the	DET
fbem-1666	125	23	context	context	NOUN
fbem-1666	125	24	of	of	ADP
fbem-1666	125	25	gba	gba	PROPN
fbem-1666	125	26	.	.	PROPN
fbem-1666	126	1	empirical	empirical	ADJ
fbem-1666	126	2	results	result	NOUN
fbem-1666	126	3	suggest	suggest	VERB
fbem-1666	126	4	inter	inter	ADJ
fbem-1666	126	5	-	-	ADJ
fbem-1666	126	6	city	city	ADJ
fbem-1666	126	7	cooperation	cooperation	NOUN
fbem-1666	126	8	improves	improve	VERB
fbem-1666	126	9	economic	economic	ADJ
fbem-1666	126	10	development	development	NOUN
fbem-1666	126	11	and	and	CCONJ
fbem-1666	126	12	environmental	environmental	ADJ
fbem-1666	126	13	quality	quality	NOUN
fbem-1666	126	14	,	,	PUNCT
fbem-1666	126	15	other	other	ADJ
fbem-1666	126	16	factors	factor	NOUN
fbem-1666	126	17	being	be	AUX
fbem-1666	126	18	equal	equal	ADJ
fbem-1666	126	19	.	.	PUNCT
fbem-1666	127	1	gdp	gdp	NOUN
fbem-1666	127	2	per	per	ADP
fbem-1666	127	3	capita	capita	NOUN
fbem-1666	127	4	,	,	PUNCT
fbem-1666	127	5	pm10	pm10	PROPN
fbem-1666	127	6	concentration	concentration	NOUN
fbem-1666	127	7	and	and	CCONJ
fbem-1666	127	8	pm2.5	pm2.5	PRON
fbem-1666	127	9	concentration	concentration	NOUN
fbem-1666	127	10	are	be	AUX
fbem-1666	127	11	used	use	VERB
fbem-1666	127	12	to	to	PART
fbem-1666	127	13	quantify	quantify	VERB
fbem-1666	127	14	the	the	DET
fbem-1666	127	15	quality	quality	NOUN
fbem-1666	127	16	of	of	ADP
fbem-1666	127	17	the	the	DET
fbem-1666	127	18	local	local	ADJ
fbem-1666	127	19	economy	economy	NOUN
fbem-1666	127	20	and	and	CCONJ
fbem-1666	127	21	environment	environment	NOUN
fbem-1666	127	22	.	.	PUNCT
fbem-1666	128	1	it	it	PRON
fbem-1666	128	2	is	be	AUX
fbem-1666	128	3	estimated	estimate	VERB
fbem-1666	128	4	that	that	SCONJ
fbem-1666	128	5	each	each	DET
fbem-1666	128	6	time	time	NOUN
fbem-1666	128	7	increase	increase	VERB
fbem-1666	128	8	in	in	ADP
fbem-1666	128	9	the	the	DET
fbem-1666	128	10	number	number	NOUN
fbem-1666	128	11	of	of	ADP
fbem-1666	128	12	inter	inter	ADJ
fbem-1666	128	13	-	-	ADJ
fbem-1666	128	14	city	city	ADJ
fbem-1666	128	15	cooperation	cooperation	NOUN
fbem-1666	128	16	on	on	ADP
fbem-1666	128	17	average	average	ADJ
fbem-1666	128	18	would	would	AUX
fbem-1666	128	19	put	put	VERB
fbem-1666	128	20	a	a	DET
fbem-1666	128	21	premium	premium	NOUN
fbem-1666	128	22	of	of	ADP
fbem-1666	128	23	about	about	ADV
fbem-1666	128	24	180	180	NUM
fbem-1666	128	25	%	%	NOUN
fbem-1666	128	26	gdp	gdp	NOUN
fbem-1666	128	27	per	per	ADP
fbem-1666	128	28	capita	capita	NOUN
fbem-1666	128	29	,	,	PUNCT
fbem-1666	128	30	which	which	PRON
fbem-1666	128	31	has	have	VERB
fbem-1666	128	32	an	an	DET
fbem-1666	128	33	indispensable	indispensable	ADJ
fbem-1666	128	34	effect	effect	NOUN
fbem-1666	128	35	on	on	ADP
fbem-1666	128	36	economic	economic	ADJ
fbem-1666	128	37	development	development	NOUN
fbem-1666	128	38	.	.	PUNCT
fbem-1666	129	1	meanwhile	meanwhile	ADV
fbem-1666	129	2	,	,	PUNCT
fbem-1666	129	3	inter	inter	ADJ
fbem-1666	129	4	-	-	ADJ
fbem-1666	129	5	city	city	ADJ
fbem-1666	129	6	cooperation	cooperation	NOUN
fbem-1666	129	7	has	have	AUX
fbem-1666	129	8	also	also	ADV
fbem-1666	129	9	brought	bring	VERB
fbem-1666	129	10	great	great	ADJ
fbem-1666	129	11	benefits	benefit	NOUN
fbem-1666	129	12	to	to	PART
fbem-1666	129	13	air	air	NOUN
fbem-1666	129	14	quality	quality	NOUN
fbem-1666	129	15	.	.	PUNCT
fbem-1666	130	1	in	in	ADP
fbem-1666	130	2	the	the	DET
fbem-1666	130	3	econometric	econometric	ADJ
fbem-1666	130	4	model	model	NOUN
fbem-1666	130	5	,	,	PUNCT
fbem-1666	130	6	which	which	PRON
fbem-1666	130	7	uses	use	VERB
fbem-1666	130	8	an	an	DET
fbem-1666	130	9	instrumental	instrumental	ADJ
fbem-1666	130	10	variable	variable	NOUN
fbem-1666	130	11	,	,	PUNCT
fbem-1666	130	12	it	it	PRON
fbem-1666	130	13	can	can	AUX
fbem-1666	130	14	be	be	AUX
fbem-1666	130	15	seen	see	VERB
fbem-1666	130	16	clearly	clearly	ADV
fbem-1666	130	17	that	that	SCONJ
fbem-1666	130	18	pm10	pm10	PROPN
fbem-1666	130	19	concentration	concentration	NOUN
fbem-1666	130	20	reduced	reduce	VERB
fbem-1666	130	21	by	by	ADP
fbem-1666	130	22	3.8	3.8	NUM
fbem-1666	130	23	percent	percent	NOUN
fbem-1666	130	24	and	and	CCONJ
fbem-1666	130	25	pm2.5	pm2.5	PRON
fbem-1666	130	26	concentration	concentration	NOUN
fbem-1666	130	27	drops	drop	NOUN
fbem-1666	130	28	by	by	ADP
fbem-1666	130	29	0.97	0.97	NUM
fbem-1666	130	30	percent	percent	NOUN
fbem-1666	130	31	.	.	PUNCT
fbem-1666	131	1	from	from	ADP
fbem-1666	131	2	a	a	DET
fbem-1666	131	3	real	real	ADJ
fbem-1666	131	4	regional	regional	ADJ
fbem-1666	131	5	planning	planning	NOUN
fbem-1666	131	6	perspective	perspective	NOUN
fbem-1666	131	7	,	,	PUNCT
fbem-1666	131	8	the	the	DET
fbem-1666	131	9	results	result	NOUN
fbem-1666	131	10	of	of	ADP
fbem-1666	131	11	the	the	DET
fbem-1666	131	12	fixed	fix	VERB
fbem-1666	131	13	effects	effect	NOUN
fbem-1666	131	14	model	model	NOUN
fbem-1666	131	15	should	should	AUX
fbem-1666	131	16	be	be	AUX
fbem-1666	131	17	useful	useful	ADJ
fbem-1666	131	18	.	.	PUNCT
fbem-1666	132	1	in	in	ADP
fbem-1666	132	2	some	some	DET
fbem-1666	132	3	instances	instance	NOUN
fbem-1666	132	4	,	,	PUNCT
fbem-1666	132	5	government	government	NOUN
fbem-1666	132	6	departments	department	NOUN
fbem-1666	132	7	will	will	AUX
fbem-1666	132	8	simulate	simulate	VERB
fbem-1666	132	9	the	the	DET
fbem-1666	132	10	effect	effect	NOUN
fbem-1666	132	11	of	of	ADP
fbem-1666	132	12	inter	inter	ADJ
fbem-1666	132	13	-	-	ADJ
fbem-1666	132	14	city	city	ADJ
fbem-1666	132	15	cooperation	cooperation	NOUN
fbem-1666	132	16	in	in	ADP
fbem-1666	132	17	advance	advance	NOUN
fbem-1666	132	18	and	and	CCONJ
fbem-1666	132	19	need	need	VERB
fbem-1666	132	20	to	to	PART
fbem-1666	132	21	formulate	formulate	VERB
fbem-1666	132	22	the	the	DET
fbem-1666	132	23	best	good	ADJ
fbem-1666	132	24	cooperation	cooperation	NOUN
fbem-1666	132	25	policy	policy	NOUN
fbem-1666	132	26	based	base	VERB
fbem-1666	132	27	on	on	ADP
fbem-1666	132	28	the	the	DET
fbem-1666	132	29	analysis	analysis	NOUN
fbem-1666	132	30	of	of	ADP
fbem-1666	132	31	economic	economic	ADJ
fbem-1666	132	32	and	and	CCONJ
fbem-1666	132	33	environmental	environmental	ADJ
fbem-1666	132	34	benefits	benefit	NOUN
fbem-1666	132	35	ahead	ahead	ADV
fbem-1666	132	36	of	of	ADP
fbem-1666	132	37	time	time	NOUN
fbem-1666	132	38	.	.	PUNCT
fbem-1666	133	1	in	in	ADP
fbem-1666	133	2	addition	addition	NOUN
fbem-1666	133	3	,	,	PUNCT
fbem-1666	133	4	understanding	understand	VERB
fbem-1666	133	5	different	different	ADJ
fbem-1666	133	6	interactions	interaction	NOUN
fbem-1666	133	7	between	between	ADP
fbem-1666	133	8	cities	city	NOUN
fbem-1666	133	9	is	be	AUX
fbem-1666	133	10	also	also	ADV
fbem-1666	133	11	important	important	ADJ
fbem-1666	133	12	for	for	ADP
fbem-1666	133	13	a	a	DET
fbem-1666	133	14	wide	wide	ADJ
fbem-1666	133	15	range	range	NOUN
fbem-1666	133	16	of	of	ADP
fbem-1666	133	17	city	city	NOUN
fbem-1666	133	18	planning	planning	NOUN
fbem-1666	133	19	purposes	purpose	NOUN
fbem-1666	133	20	.	.	PUNCT
fbem-1666	134	1	the	the	DET
fbem-1666	134	2	results	result	NOUN
fbem-1666	134	3	in	in	ADP
fbem-1666	134	4	this	this	DET
fbem-1666	134	5	paper	paper	NOUN
fbem-1666	134	6	could	could	AUX
fbem-1666	134	7	be	be	AUX
fbem-1666	134	8	used	use	VERB
fbem-1666	134	9	as	as	ADP
fbem-1666	134	10	a	a	DET
fbem-1666	134	11	reference	reference	NOUN
fbem-1666	134	12	point	point	NOUN
fbem-1666	134	13	to	to	PART
fbem-1666	134	14	help	help	VERB
fbem-1666	134	15	governments	government	NOUN
fbem-1666	134	16	evaluate	evaluate	VERB
fbem-1666	134	17	if	if	SCONJ
fbem-1666	134	18	the	the	DET
fbem-1666	134	19	cooperative	cooperative	ADJ
fbem-1666	134	20	project	project	NOUN
fbem-1666	134	21	is	be	AUX
fbem-1666	134	22	worthwhile	worthwhile	ADJ
fbem-1666	134	23	.	.	PUNCT
fbem-1666	135	1	according	accord	VERB
fbem-1666	135	2	to	to	ADP
fbem-1666	135	3	the	the	DET
fbem-1666	135	4	main	main	ADJ
fbem-1666	135	5	findings	finding	NOUN
fbem-1666	135	6	,	,	PUNCT
fbem-1666	135	7	we	we	PRON
fbem-1666	135	8	propose	propose	VERB
fbem-1666	135	9	the	the	DET
fbem-1666	135	10	following	follow	VERB
fbem-1666	135	11	policy	policy	NOUN
fbem-1666	135	12	-	-	PUNCT
fbem-1666	135	13	related	relate	VERB
fbem-1666	135	14	suggestions	suggestion	NOUN
fbem-1666	135	15	.	.	PUNCT
fbem-1666	136	1	first	first	ADV
fbem-1666	136	2	,	,	PUNCT
fbem-1666	136	3	strengthen	strengthen	VERB
fbem-1666	136	4	cooperation	cooperation	NOUN
fbem-1666	136	5	among	among	ADP
fbem-1666	136	6	cities	city	NOUN
fbem-1666	136	7	in	in	ADP
fbem-1666	136	8	a	a	DET
fbem-1666	136	9	region	region	NOUN
fbem-1666	136	10	.	.	PUNCT
fbem-1666	137	1	secondly	secondly	ADV
fbem-1666	137	2	,	,	PUNCT
fbem-1666	137	3	increase	increase	VERB
fbem-1666	137	4	the	the	DET
fbem-1666	137	5	likelihood	likelihood	NOUN
fbem-1666	137	6	of	of	ADP
fbem-1666	137	7	cooperation	cooperation	NOUN
fbem-1666	137	8	by	by	ADP
fbem-1666	137	9	lowering	lower	VERB
fbem-1666	137	10	the	the	DET
fbem-1666	137	11	barriers	barrier	NOUN
fbem-1666	137	12	to	to	ADP
fbem-1666	137	13	entry	entry	NOUN
fbem-1666	137	14	of	of	ADP
fbem-1666	137	15	it	it	PRON
fbem-1666	137	16	,	,	PUNCT
fbem-1666	137	17	such	such	ADJ
fbem-1666	137	18	as	as	SCONJ
fbem-1666	137	19	add	add	VERB
fbem-1666	137	20	more	more	ADJ
fbem-1666	137	21	public	public	ADJ
fbem-1666	137	22	transport	transport	NOUN
fbem-1666	137	23	facilities	facility	NOUN
fbem-1666	137	24	between	between	ADP
fbem-1666	137	25	cities	city	NOUN
fbem-1666	137	26	.	.	PUNCT
fbem-1666	138	1	last	last	ADJ
fbem-1666	138	2	but	but	CCONJ
fbem-1666	138	3	not	not	PART
fbem-1666	138	4	least	least	ADJ
fbem-1666	138	5	,	,	PUNCT
fbem-1666	138	6	enhance	enhance	VERB
fbem-1666	138	7	regional	regional	ADJ
fbem-1666	138	8	integration	integration	NOUN
fbem-1666	138	9	by	by	ADP
fbem-1666	138	10	getting	get	VERB
fbem-1666	138	11	on	on	ADP
fbem-1666	138	12	the	the	DET
fbem-1666	138	13	road	road	NOUN
fbem-1666	138	14	of	of	ADP
fbem-1666	138	15	promoting	promote	VERB
fbem-1666	138	16	harmonious	harmonious	ADJ
fbem-1666	138	17	development	development	NOUN
fbem-1666	138	18	of	of	ADP
fbem-1666	138	19	environment	environment	NOUN
fbem-1666	138	20	and	and	CCONJ
fbem-1666	138	21	economy	economy	NOUN
fbem-1666	138	22	.	.	PUNCT
fbem-1666	139	1	in	in	ADP
fbem-1666	139	2	summary	summary	NOUN
fbem-1666	139	3	,	,	PUNCT
fbem-1666	139	4	the	the	DET
fbem-1666	139	5	findings	finding	NOUN
fbem-1666	139	6	in	in	ADP
fbem-1666	139	7	this	this	DET
fbem-1666	139	8	study	study	NOUN
fbem-1666	139	9	may	may	AUX
fbem-1666	139	10	be	be	AUX
fbem-1666	139	11	used	use	VERB
fbem-1666	139	12	in	in	ADP
fbem-1666	139	13	costbenefit	costbenefit	NOUN
fbem-1666	139	14	analyses	analysis	NOUN
fbem-1666	139	15	of	of	ADP
fbem-1666	139	16	urban	urban	ADJ
fbem-1666	139	17	cooperation	cooperation	NOUN
fbem-1666	139	18	projects	project	NOUN
fbem-1666	139	19	and	and	CCONJ
fbem-1666	139	20	help	help	VERB
fbem-1666	139	21	establish	establish	VERB
fbem-1666	139	22	a	a	DET
fbem-1666	139	23	future	future	ADJ
fbem-1666	139	24	urban	urban	ADJ
fbem-1666	139	25	design	design	NOUN
fbem-1666	139	26	for	for	ADP
fbem-1666	139	27	policy	policy	NOUN
fbem-1666	139	28	-	-	PUNCT
fbem-1666	139	29	makers	maker	NOUN
fbem-1666	139	30	.	.	PUNCT
fbem-1666	140	1	these	these	DET
fbem-1666	140	2	empirical	empirical	ADJ
fbem-1666	140	3	results	result	NOUN
fbem-1666	140	4	advance	advance	VERB
fbem-1666	140	5	our	our	PRON
fbem-1666	140	6	understanding	understanding	NOUN
fbem-1666	140	7	of	of	ADP
fbem-1666	140	8	regional	regional	ADJ
fbem-1666	140	9	cooperation	cooperation	NOUN
fbem-1666	140	10	,	,	PUNCT
fbem-1666	140	11	which	which	PRON
fbem-1666	140	12	promotes	promote	VERB
fbem-1666	140	13	regional	regional	ADJ
fbem-1666	140	14	cooperation	cooperation	NOUN
fbem-1666	140	15	in	in	ADP
fbem-1666	140	16	china	china	PROPN
fbem-1666	140	17	further	far	ADV
fbem-1666	140	18	.	.	PUNCT
fbem-1666	141	1	71	71	NUM
fbem-1666	141	2	references	reference	NOUN
fbem-1666	141	3	[	[	X
fbem-1666	141	4	1	1	NUM
fbem-1666	141	5	]	]	SYM
fbem-1666	141	6	yang	yang	PROPN
fbem-1666	141	7	,	,	PUNCT
fbem-1666	141	8	w.	w.	PROPN
fbem-1666	141	9	,	,	PUNCT
fbem-1666	141	10	fan	fan	PROPN
fbem-1666	141	11	,	,	PUNCT
fbem-1666	141	12	f.	f.	PROPN
fbem-1666	141	13	,	,	PUNCT
fbem-1666	141	14	wang	wang	PROPN
fbem-1666	141	15	,	,	PUNCT
fbem-1666	141	16	x.	x.	PROPN
fbem-1666	141	17	,	,	PUNCT
fbem-1666	141	18	&	&	CCONJ
fbem-1666	141	19	yu	yu	PROPN
fbem-1666	141	20	,	,	PUNCT
fbem-1666	141	21	h.	h.	PROPN
fbem-1666	141	22	(	(	PUNCT
fbem-1666	141	23	2021	2021	NUM
fbem-1666	141	24	)	)	PUNCT
fbem-1666	141	25	.	.	PUNCT
fbem-1666	142	1	knowledge	knowledge	NOUN
fbem-1666	142	2	innovation	innovation	NOUN
fbem-1666	142	3	network	network	NOUN
fbem-1666	142	4	externalities	externality	NOUN
fbem-1666	142	5	in	in	ADP
fbem-1666	142	6	the	the	DET
fbem-1666	142	7	guangdong	guangdong	PROPN
fbem-1666	142	8	–	–	PUNCT
fbem-1666	142	9	hong	hong	PROPN
fbem-1666	142	10	kong	kong	PROPN
fbem-1666	142	11	–	–	PUNCT
fbem-1666	142	12	macao	macao	PROPN
fbem-1666	142	13	greater	great	ADJ
fbem-1666	142	14	bay	bay	NOUN
fbem-1666	142	15	area	area	NOUN
fbem-1666	142	16	:	:	PUNCT
fbem-1666	142	17	borrowing	borrowing	NOUN
fbem-1666	142	18	size	size	NOUN
fbem-1666	142	19	or	or	CCONJ
fbem-1666	142	20	agglomeration	agglomeration	NOUN
fbem-1666	142	21	shadow	shadow	NOUN
fbem-1666	142	22	?	?	PUNCT
fbem-1666	142	23	.	.	PUNCT
fbem-1666	143	1	technology	technology	NOUN
fbem-1666	143	2	analysis	analysis	NOUN
fbem-1666	143	3	&	&	CCONJ
fbem-1666	143	4	strategic	strategic	ADJ
fbem-1666	143	5	management	management	NOUN
fbem-1666	143	6	,	,	PUNCT
fbem-1666	143	7	1	1	NUM
fbem-1666	143	8	-	-	SYM
fbem-1666	143	9	18	18	NUM
fbem-1666	143	10	.	.	PUNCT
fbem-1666	144	1	[	[	X
fbem-1666	144	2	2	2	NUM
fbem-1666	144	3	]	]	X
fbem-1666	144	4	zhang	zhang	PROPN
fbem-1666	144	5	,	,	PUNCT
fbem-1666	144	6	x.	x.	PROPN
fbem-1666	144	7	,	,	PUNCT
fbem-1666	144	8	shen	shen	PROPN
fbem-1666	144	9	,	,	PUNCT
fbem-1666	144	10	j.	j.	PROPN
fbem-1666	144	11	,	,	PUNCT
fbem-1666	144	12	&	&	CCONJ
fbem-1666	144	13	gao	gao	PROPN
fbem-1666	144	14	,	,	PUNCT
fbem-1666	144	15	x.	x.	NOUN
fbem-1666	144	16	(	(	PUNCT
fbem-1666	144	17	2021	2021	NUM
fbem-1666	144	18	)	)	PUNCT
fbem-1666	144	19	.	.	PUNCT
fbem-1666	145	1	towards	towards	ADP
fbem-1666	145	2	a	a	DET
fbem-1666	145	3	comprehensive	comprehensive	ADJ
fbem-1666	145	4	understanding	understanding	NOUN
fbem-1666	145	5	of	of	ADP
fbem-1666	145	6	intercity	intercity	ADJ
fbem-1666	145	7	cooperation	cooperation	NOUN
fbem-1666	145	8	in	in	ADP
fbem-1666	145	9	china	china	PROPN
fbem-1666	145	10	’s	’s	PART
fbem-1666	145	11	city	city	NOUN
fbem-1666	145	12	-	-	PUNCT
fbem-1666	145	13	regionalization	regionalization	NOUN
fbem-1666	145	14	:	:	PUNCT
fbem-1666	145	15	a	a	DET
fbem-1666	145	16	comparative	comparative	ADJ
fbem-1666	145	17	study	study	NOUN
fbem-1666	145	18	of	of	ADP
fbem-1666	145	19	shenzhen	shenzhen	PROPN
fbem-1666	145	20	-	-	PUNCT
fbem-1666	145	21	hong	hong	PROPN
fbem-1666	145	22	kong	kong	PROPN
fbem-1666	145	23	and	and	CCONJ
fbem-1666	145	24	guangzhou	guangzhou	PROPN
fbem-1666	145	25	-	-	PUNCT
fbem-1666	145	26	foshan	foshan	PROPN
fbem-1666	145	27	city	city	NOUN
fbem-1666	145	28	groups	group	NOUN
fbem-1666	145	29	.	.	PUNCT
fbem-1666	146	1	land	land	NOUN
fbem-1666	146	2	use	use	NOUN
fbem-1666	146	3	policy	policy	NOUN
fbem-1666	146	4	,	,	PUNCT
fbem-1666	146	5	103	103	NUM
fbem-1666	146	6	,	,	PUNCT
fbem-1666	146	7	105339	105339	NUM
fbem-1666	146	8	.	.	PUNCT
fbem-1666	147	1	[	[	X
fbem-1666	147	2	3	3	NUM
fbem-1666	147	3	]	]	SYM
fbem-1666	147	4	hu	hu	PROPN
fbem-1666	147	5	,	,	PUNCT
fbem-1666	147	6	x.	x.	PROPN
fbem-1666	147	7	,	,	PUNCT
fbem-1666	147	8	wang	wang	PROPN
fbem-1666	147	9	,	,	PUNCT
fbem-1666	147	10	x.	x.	PROPN
fbem-1666	147	11	c.	c.	PROPN
fbem-1666	147	12	,	,	PUNCT
fbem-1666	147	13	ni	ni	PROPN
fbem-1666	147	14	,	,	PUNCT
fbem-1666	147	15	l.	l.	PROPN
fbem-1666	147	16	,	,	PUNCT
fbem-1666	147	17	&	&	CCONJ
fbem-1666	147	18	shi	shi	PROPN
fbem-1666	147	19	,	,	PUNCT
fbem-1666	147	20	f.	f.	PROPN
fbem-1666	147	21	(	(	PUNCT
fbem-1666	147	22	2022	2022	NUM
fbem-1666	147	23	)	)	PUNCT
fbem-1666	147	24	.	.	PUNCT
fbem-1666	148	1	the	the	DET
fbem-1666	148	2	impact	impact	NOUN
fbem-1666	148	3	of	of	ADP
fbem-1666	148	4	intercity	intercity	ADJ
fbem-1666	148	5	economic	economic	ADJ
fbem-1666	148	6	complementarity	complementarity	NOUN
fbem-1666	148	7	on	on	ADP
fbem-1666	148	8	hsr	hsr	NOUN
fbem-1666	148	9	volume	volume	NOUN
fbem-1666	148	10	in	in	ADP
fbem-1666	148	11	the	the	DET
fbem-1666	148	12	context	context	NOUN
fbem-1666	148	13	of	of	ADP
fbem-1666	148	14	megalopolization	megalopolization	NOUN
fbem-1666	148	15	.	.	PUNCT
fbem-1666	149	1	journal	journal	PROPN
fbem-1666	149	2	of	of	ADP
fbem-1666	149	3	transport	transport	NOUN
fbem-1666	149	4	geography	geography	NOUN
fbem-1666	149	5	,	,	PUNCT
fbem-1666	149	6	98	98	NUM
fbem-1666	149	7	,	,	PUNCT
fbem-1666	149	8	103222	103222	NUM
fbem-1666	149	9	.	.	PUNCT
fbem-1666	150	1	[	[	X
fbem-1666	150	2	4	4	NUM
fbem-1666	150	3	]	]	X
fbem-1666	150	4	douglass	douglass	NOUN
fbem-1666	150	5	,	,	PUNCT
fbem-1666	150	6	m.	m.	NOUN
fbem-1666	150	7	(	(	PUNCT
fbem-1666	150	8	2002	2002	NUM
fbem-1666	150	9	)	)	PUNCT
fbem-1666	150	10	.	.	PUNCT
fbem-1666	151	1	from	from	ADP
fbem-1666	151	2	global	global	ADJ
fbem-1666	151	3	intercity	intercity	NOUN
fbem-1666	151	4	competition	competition	NOUN
fbem-1666	151	5	to	to	ADP
fbem-1666	151	6	cooperation	cooperation	NOUN
fbem-1666	151	7	for	for	ADP
fbem-1666	151	8	livable	livable	ADJ
fbem-1666	151	9	cities	city	NOUN
fbem-1666	151	10	and	and	CCONJ
fbem-1666	151	11	economic	economic	ADJ
fbem-1666	151	12	resilience	resilience	NOUN
fbem-1666	151	13	in	in	ADP
fbem-1666	151	14	pacific	pacific	PROPN
fbem-1666	151	15	asia	asia	PROPN
fbem-1666	151	16	.	.	PUNCT
fbem-1666	151	17	environment	environment	NOUN
fbem-1666	151	18	and	and	CCONJ
fbem-1666	151	19	urbanization	urbanization	NOUN
fbem-1666	151	20	,	,	PUNCT
fbem-1666	151	21	14(1	14(1	NUM
fbem-1666	151	22	)	)	PUNCT
fbem-1666	151	23	,	,	PUNCT
fbem-1666	151	24	53	53	NUM
fbem-1666	151	25	-	-	SYM
fbem-1666	151	26	68	68	NUM
fbem-1666	151	27	.	.	PUNCT
fbem-1666	152	1	[	[	X
fbem-1666	152	2	5	5	NUM
fbem-1666	152	3	]	]	X
fbem-1666	152	4	memon	memon	PROPN
fbem-1666	152	5	,	,	PUNCT
fbem-1666	152	6	m.	m.	NOUN
fbem-1666	152	7	a.	a.	PROPN
fbem-1666	152	8	,	,	PUNCT
fbem-1666	152	9	pearson	pearson	PROPN
fbem-1666	152	10	,	,	PUNCT
fbem-1666	152	11	c.	c.	PROPN
fbem-1666	152	12	,	,	PUNCT
fbem-1666	152	13	&	&	CCONJ
fbem-1666	152	14	imura	imura	NOUN
fbem-1666	152	15	,	,	PUNCT
fbem-1666	152	16	h.	h.	PROPN
fbem-1666	152	17	(	(	PUNCT
fbem-1666	152	18	2005	2005	NUM
fbem-1666	152	19	)	)	PUNCT
fbem-1666	152	20	.	.	PUNCT
fbem-1666	153	1	inter	inter	ADJ
fbem-1666	153	2	-	-	ADJ
fbem-1666	153	3	city	city	ADJ
fbem-1666	153	4	environmental	environmental	ADJ
fbem-1666	153	5	cooperation	cooperation	NOUN
fbem-1666	153	6	:	:	PUNCT
fbem-1666	153	7	the	the	DET
fbem-1666	153	8	case	case	NOUN
fbem-1666	153	9	of	of	ADP
fbem-1666	153	10	the	the	DET
fbem-1666	153	11	kitakyushu	kitakyushu	NOUN
fbem-1666	153	12	initiative	initiative	NOUN
fbem-1666	153	13	for	for	ADP
fbem-1666	153	14	a	a	DET
fbem-1666	153	15	clean	clean	ADJ
fbem-1666	153	16	environment	environment	NOUN
fbem-1666	153	17	.	.	PUNCT
fbem-1666	154	1	international	international	ADJ
fbem-1666	154	2	review	review	NOUN
fbem-1666	154	3	for	for	ADP
fbem-1666	154	4	environmental	environmental	ADJ
fbem-1666	154	5	strategies	strategy	NOUN
fbem-1666	154	6	,	,	PUNCT
fbem-1666	154	7	5(2	5(2	NUM
fbem-1666	154	8	)	)	PUNCT
fbem-1666	154	9	,	,	PUNCT
fbem-1666	154	10	531	531	NUM
fbem-1666	154	11	.	.	PUNCT
fbem-1666	155	1	[	[	X
fbem-1666	155	2	6	6	NUM
fbem-1666	155	3	]	]	PUNCT
fbem-1666	155	4	nakamura	nakamura	NOUN
fbem-1666	155	5	,	,	PUNCT
fbem-1666	155	6	h.	h.	PROPN
fbem-1666	155	7	,	,	PUNCT
fbem-1666	155	8	elder	elder	NOUN
fbem-1666	155	9	,	,	PUNCT
fbem-1666	155	10	m.	m.	NOUN
fbem-1666	155	11	,	,	PUNCT
fbem-1666	155	12	&	&	CCONJ
fbem-1666	155	13	mori	mori	PROPN
fbem-1666	155	14	,	,	PUNCT
fbem-1666	155	15	h.	h.	PROPN
fbem-1666	155	16	(	(	PUNCT
fbem-1666	155	17	2011	2011	NUM
fbem-1666	155	18	)	)	PUNCT
fbem-1666	155	19	.	.	PUNCT
fbem-1666	156	1	the	the	DET
fbem-1666	156	2	surprising	surprising	ADJ
fbem-1666	156	3	role	role	NOUN
fbem-1666	156	4	of	of	ADP
fbem-1666	156	5	local	local	ADJ
fbem-1666	156	6	governments	government	NOUN
fbem-1666	156	7	in	in	ADP
fbem-1666	156	8	international	international	ADJ
fbem-1666	156	9	environmental	environmental	ADJ
fbem-1666	156	10	cooperation	cooperation	NOUN
fbem-1666	156	11	:	:	PUNCT
fbem-1666	156	12	the	the	DET
fbem-1666	156	13	case	case	NOUN
fbem-1666	156	14	of	of	ADP
fbem-1666	156	15	japanese	japanese	ADJ
fbem-1666	156	16	collaboration	collaboration	NOUN
fbem-1666	156	17	with	with	ADP
fbem-1666	156	18	developing	develop	VERB
fbem-1666	156	19	countries	country	NOUN
fbem-1666	156	20	.	.	PUNCT
fbem-1666	157	1	the	the	DET
fbem-1666	157	2	journal	journal	PROPN
fbem-1666	157	3	of	of	ADP
fbem-1666	157	4	environment	environment	PROPN
fbem-1666	157	5	&	&	CCONJ
fbem-1666	157	6	development	development	PROPN
fbem-1666	157	7	,	,	PUNCT
fbem-1666	157	8	20(3	20(3	NOUN
fbem-1666	157	9	)	)	PUNCT
fbem-1666	157	10	,	,	PUNCT
fbem-1666	157	11	219	219	NUM
fbem-1666	157	12	-	-	SYM
fbem-1666	157	13	250	250	NUM
fbem-1666	157	14	.	.	PUNCT
fbem-1666	158	1	[	[	X
fbem-1666	158	2	7	7	X
fbem-1666	158	3	]	]	X
fbem-1666	158	4	zeng	zeng	PROPN
fbem-1666	158	5	,	,	PUNCT
fbem-1666	158	6	j.	j.	PROPN
fbem-1666	158	7	,	,	PUNCT
fbem-1666	158	8	pagàn	pagàn	NOUN
fbem-1666	158	9	-	-	PUNCT
fbem-1666	158	10	castaño	castaño	PROPN
fbem-1666	158	11	,	,	PUNCT
fbem-1666	158	12	e.	e.	PROPN
fbem-1666	158	13	,	,	PUNCT
fbem-1666	158	14	&	&	CCONJ
fbem-1666	158	15	ribeiro	ribeiro	PROPN
fbem-1666	158	16	-	-	PROPN
fbem-1666	158	17	navarrete	navarrete	PROPN
fbem-1666	158	18	,	,	PUNCT
fbem-1666	158	19	s.	s.	PROPN
fbem-1666	158	20	(	(	PUNCT
fbem-1666	158	21	2022	2022	NUM
fbem-1666	158	22	)	)	PUNCT
fbem-1666	158	23	.	.	PUNCT
fbem-1666	159	1	merits	merit	NOUN
fbem-1666	159	2	of	of	ADP
fbem-1666	159	3	intercity	intercity	NOUN
fbem-1666	159	4	innovation	innovation	NOUN
fbem-1666	159	5	cooperation	cooperation	NOUN
fbem-1666	159	6	of	of	ADP
fbem-1666	159	7	environmentfriendly	environmentfriendly	ADJ
fbem-1666	159	8	patents	patent	NOUN
fbem-1666	159	9	for	for	ADP
fbem-1666	159	10	environmental	environmental	ADJ
fbem-1666	159	11	regulation	regulation	NOUN
fbem-1666	159	12	efficiency	efficiency	NOUN
fbem-1666	159	13	.	.	PUNCT
fbem-1666	160	1	technological	technological	ADJ
fbem-1666	160	2	forecasting	forecasting	NOUN
fbem-1666	160	3	and	and	CCONJ
fbem-1666	160	4	social	social	ADJ
fbem-1666	160	5	change	change	NOUN
fbem-1666	160	6	,	,	PUNCT
fbem-1666	160	7	121404	121404	NUM
fbem-1666	160	8	.	.	PUNCT
fbem-1666	161	1	[	[	X
fbem-1666	161	2	8	8	NUM
fbem-1666	161	3	]	]	SYM
fbem-1666	161	4	pearl	pearl	NOUN
fbem-1666	161	5	,	,	PUNCT
fbem-1666	161	6	j.	j.	PROPN
fbem-1666	161	7	(	(	PUNCT
fbem-1666	161	8	2000	2000	NUM
fbem-1666	161	9	)	)	PUNCT
fbem-1666	161	10	.	.	PUNCT
fbem-1666	162	1	models	model	NOUN
fbem-1666	162	2	,	,	PUNCT
fbem-1666	162	3	reasoning	reasoning	NOUN
fbem-1666	162	4	and	and	CCONJ
fbem-1666	162	5	inference	inference	NOUN
fbem-1666	162	6	.	.	PUNCT
fbem-1666	163	1	cambridge	cambridge	PROPN
fbem-1666	163	2	,	,	PUNCT
fbem-1666	163	3	uk	uk	PROPN
fbem-1666	163	4	:	:	PUNCT
fbem-1666	163	5	cambridge	cambridge	PROPN
fbem-1666	163	6	university	university	PROPN
fbem-1666	163	7	press	press	PROPN
fbem-1666	163	8	,	,	PUNCT
fbem-1666	163	9	19(2	19(2	NUM
fbem-1666	163	10	)	)	PUNCT
fbem-1666	163	11	.	.	PUNCT
fbem-1666	164	1	[	[	X
fbem-1666	164	2	9	9	NUM
fbem-1666	164	3	]	]	SYM
fbem-1666	164	4	caner	caner	NOUN
fbem-1666	164	5	,	,	PUNCT
fbem-1666	164	6	m.	m.	NOUN
fbem-1666	164	7	,	,	PUNCT
fbem-1666	164	8	&	&	CCONJ
fbem-1666	164	9	hansen	hansen	PROPN
fbem-1666	164	10	,	,	PUNCT
fbem-1666	164	11	b.	b.	PROPN
fbem-1666	164	12	(	(	PUNCT
fbem-1666	164	13	2004	2004	NUM
fbem-1666	164	14	)	)	PUNCT
fbem-1666	164	15	.	.	PUNCT
fbem-1666	165	1	instrumental	instrumental	ADJ
fbem-1666	165	2	variable	variable	ADJ
fbem-1666	165	3	estimation	estimation	NOUN
fbem-1666	165	4	of	of	ADP
fbem-1666	165	5	a	a	DET
fbem-1666	165	6	threshold	threshold	NOUN
fbem-1666	165	7	model	model	NOUN
fbem-1666	165	8	.	.	PUNCT
fbem-1666	166	1	econometric	econometric	PROPN
fbem-1666	166	2	theory	theory	NOUN
fbem-1666	166	3	,	,	PUNCT
fbem-1666	166	4	20(5	20(5	NUM
fbem-1666	166	5	)	)	PUNCT
fbem-1666	166	6	,	,	PUNCT
fbem-1666	166	7	813	813	NUM
fbem-1666	166	8	-	-	SYM
fbem-1666	166	9	843	843	NUM
fbem-1666	166	10	.	.	PUNCT
fbem-1666	167	1	[	[	X
fbem-1666	167	2	10	10	NUM
fbem-1666	167	3	]	]	PUNCT
fbem-1666	167	4	altonji	altonji	PROPN
fbem-1666	167	5	,	,	PUNCT
fbem-1666	167	6	j.	j.	PROPN
fbem-1666	167	7	g.	g.	PROPN
fbem-1666	167	8	,	,	PUNCT
fbem-1666	167	9	elder	elder	NOUN
fbem-1666	167	10	,	,	PUNCT
fbem-1666	167	11	t.	t.	PROPN
fbem-1666	167	12	e.	e.	PROPN
fbem-1666	167	13	,	,	PUNCT
fbem-1666	167	14	&	&	CCONJ
fbem-1666	167	15	taber	taber	PROPN
fbem-1666	167	16	,	,	PUNCT
fbem-1666	167	17	c.	c.	PROPN
fbem-1666	167	18	r.	r.	PROPN
fbem-1666	167	19	(	(	PUNCT
fbem-1666	167	20	2005	2005	NUM
fbem-1666	167	21	)	)	PUNCT
fbem-1666	167	22	.	.	PUNCT
fbem-1666	168	1	an	an	DET
fbem-1666	168	2	evaluation	evaluation	NOUN
fbem-1666	168	3	of	of	ADP
fbem-1666	168	4	instrumental	instrumental	ADJ
fbem-1666	168	5	variable	variable	ADJ
fbem-1666	168	6	strategies	strategy	NOUN
fbem-1666	168	7	for	for	ADP
fbem-1666	168	8	estimating	estimate	VERB
fbem-1666	168	9	the	the	DET
fbem-1666	168	10	effects	effect	NOUN
fbem-1666	168	11	of	of	ADP
fbem-1666	168	12	catholic	catholic	ADJ
fbem-1666	168	13	schooling	schooling	PROPN
fbem-1666	168	14	.	.	PUNCT
fbem-1666	169	1	journal	journal	PROPN
fbem-1666	169	2	of	of	ADP
fbem-1666	169	3	human	human	ADJ
fbem-1666	169	4	resources	resource	NOUN
fbem-1666	169	5	,	,	PUNCT
fbem-1666	169	6	40(4	40(4	NUM
fbem-1666	169	7	)	)	PUNCT
fbem-1666	169	8	,	,	PUNCT
fbem-1666	169	9	791	791	NUM
fbem-1666	169	10	-	-	SYM
fbem-1666	169	11	821	821	NUM
fbem-1666	169	12	.	.	PUNCT
fbem-1666	170	1	[	[	X
fbem-1666	170	2	11	11	NUM
fbem-1666	170	3	]	]	X
fbem-1666	170	4	heckman	heckman	PROPN
fbem-1666	170	5	,	,	PUNCT
fbem-1666	170	6	j.	j.	PROPN
fbem-1666	170	7	j.	j.	PROPN
fbem-1666	170	8	(	(	PUNCT
fbem-1666	170	9	2008	2008	NUM
fbem-1666	170	10	)	)	PUNCT
fbem-1666	170	11	.	.	PUNCT
fbem-1666	171	1	econometric	econometric	ADJ
fbem-1666	171	2	causality	causality	NOUN
fbem-1666	171	3	.	.	PUNCT
fbem-1666	172	1	international	international	ADJ
fbem-1666	172	2	statistical	statistical	ADJ
fbem-1666	172	3	review	review	NOUN
fbem-1666	172	4	,	,	PUNCT
fbem-1666	172	5	76(1	76(1	PROPN
fbem-1666	172	6	)	)	PUNCT
fbem-1666	172	7	,	,	PUNCT
fbem-1666	172	8	1	1	NUM
fbem-1666	172	9	-	-	SYM
fbem-1666	172	10	27	27	NUM
fbem-1666	172	11	.	.	PUNCT
fbem-1666	173	1	[	[	X
fbem-1666	173	2	12	12	NUM
fbem-1666	173	3	]	]	X
fbem-1666	173	4	li	li	PROPN
fbem-1666	173	5	,	,	PUNCT
fbem-1666	173	6	y.	y.	PROPN
fbem-1666	173	7	,	,	PUNCT
fbem-1666	173	8	lee	lee	PROPN
fbem-1666	173	9	,	,	PUNCT
fbem-1666	173	10	y.	y.	PROPN
fbem-1666	173	11	,	,	PUNCT
fbem-1666	173	12	wolfe	wolfe	PROPN
fbem-1666	173	13	,	,	PUNCT
fbem-1666	173	14	r.	r.	PROPN
fbem-1666	173	15	a.	a.	PROPN
fbem-1666	173	16	,	,	PUNCT
fbem-1666	173	17	morgenstern	morgenstern	PROPN
fbem-1666	173	18	,	,	PUNCT
fbem-1666	173	19	h.	h.	PROPN
fbem-1666	173	20	,	,	PUNCT
fbem-1666	173	21	zhang	zhang	PROPN
fbem-1666	173	22	,	,	PUNCT
fbem-1666	173	23	j.	j.	PROPN
fbem-1666	173	24	,	,	PUNCT
fbem-1666	173	25	port	port	NOUN
fbem-1666	173	26	,	,	PUNCT
fbem-1666	173	27	f.	f.	PROPN
fbem-1666	173	28	k.	k.	PROPN
fbem-1666	173	29	,	,	PUNCT
fbem-1666	173	30	&	&	CCONJ
fbem-1666	173	31	robinson	robinson	PROPN
fbem-1666	173	32	,	,	PUNCT
fbem-1666	173	33	b.	b.	PROPN
fbem-1666	173	34	m.	m.	PROPN
fbem-1666	173	35	(	(	PUNCT
fbem-1666	173	36	2015	2015	NUM
fbem-1666	173	37	)	)	PUNCT
fbem-1666	173	38	.	.	PUNCT
fbem-1666	174	1	on	on	ADP
fbem-1666	174	2	a	a	DET
fbem-1666	174	3	preference‐based	preference‐base	VERB
fbem-1666	174	4	instrumental	instrumental	ADJ
fbem-1666	174	5	variable	variable	ADJ
fbem-1666	174	6	approach	approach	NOUN
fbem-1666	174	7	in	in	ADP
fbem-1666	174	8	reducing	reduce	VERB
fbem-1666	174	9	unmeasured	unmeasured	ADJ
fbem-1666	174	10	confounding‐by‐indication	confounding‐by‐indication	PROPN
fbem-1666	174	11	.	.	PUNCT
fbem-1666	175	1	statistics	statistic	NOUN
fbem-1666	175	2	in	in	ADP
fbem-1666	175	3	medicine	medicine	NOUN
fbem-1666	175	4	,	,	PUNCT
fbem-1666	175	5	34(7	34(7	NUM
fbem-1666	175	6	)	)	PUNCT
fbem-1666	175	7	,	,	PUNCT
fbem-1666	175	8	1150	1150	NUM
fbem-1666	175	9	-	-	SYM
fbem-1666	175	10	1168	1168	NUM
fbem-1666	175	11	.	.	PUNCT