Research on the Impact of Environmental Regulation on Total Factor Energy Effect of Logistics Industry from the Perspective of Green Development

Table 4

Regression estimation results of the impact of environmental regulation on logistics industry’s total factor energy efficiency.

Variable	LTFEE
	(1) OLS	(2) OLS		(3) FE	(4) FE
LnREG	0.709; (0.201)	0.396; (0.263)		0.472; (0.568)	0.616; (0.55)
LnEDL		0.619; (0.017)			0.262; (0.101)
LnURB		0.924; (0.236)			0.248; (1.097)
LnOPEN		0.747; (0.406)			0.524; (0.213)
LnSTR		1.16; (0.267)			1.574; (1.186)
LnIEN		0.774; (0.506)			1.271; (0.472)
con	7.391; (0.476)		4.889; (0.776)	5.336; (0.239)	2.228; (1.81)
N	450	450		450	450
R ^2	0.6940	0.5313		0.2301	0.5660

Note: is statistically significant at 1%, is statistically significant at 5%, and is statistically significant at 10%.