id	keyword
gp-264	stock
gp-264	cointegration
gp-264	test
gp-264	cointegration test
gp-264	value
gp-264	states
gp-264	united
gp-264	results
gp-264	china
gp-264	lag
gp-264	period
gp-264	stock exchanges
gp-264	ftse