[Retracted] Influence of China’s Carbon Emissions Trading Scheme on Green Innovation of Enterprises

Table 2

Results of the DID model.

Variables	1	2	3	4
	1.5046	1.5640	0.4345	0.4248
	(0.5805)	(0.5795)	(0.1799)	(0.1815)
Whether or not the pilot period	1.6543	−0.5896	1.0739	0.0970
	(0.4278)	（0.4523)	（0.1276)	（0.7199)
Whether or not the pilot region	0.1666	−1.4655	——	——
	(0.5029)	(0.6243)
Constant	−0.9991	−54.2733	0.4170	−2.3055
	(0.6185)	(4.8920)	(0.1078)	(1.0440)
Control variables	No	Yes	No	Yes
Time fixed effect	Yes	Yes	Yes	Yes
Individuals fixed effect	No	No	Yes	Yes
Region fixed effect	Yes	Yes	No	No
Industry fixed effect	Yes	Yes	No	No
Observations	23 739	23 726	23 739	23 726
R-squared	0.2187	0.2408	0.0164	0.0168

Note. Robust clustering standard error is indicated in brackets; , , and indicate significant at the level of 10%, 5%, and 1%, respectively, which are the same in the following tables.