id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
fbem-12617	Zou, Jiaxing	Can the Digital Economy Enhance the Investment Efficiency in The Manufacturing Industry? Research Based on the Moderating Effect of the Market	2023	9	.pdf	application/pdf	6750	333	40	Endogeneity Test This paper uses a fixed effects model and robust standard error methods to reduce endogeneity problems, but there may still be endogeneity problems due to the bidirectional influence of the level of digital economy development and corporate investment efficiency or omitted variables. This paper attempts to use the instrumental variable method to alleviate endogeneity problems, identifying the net effect of digital economy development on the investment efficiency of manufacturing companies.	cache/fbem-12617.pdf	txt/fbem-12617.txt