Emission Reduction Effect and Mechanism of Auto-Purchase Tax Preference

Table 7

DID regression results.

	(1)	(2)	(3)	(4)	(5)	(6)
	Whole sample	Whole sample	Dependent variable: sales share	Exclude new energy vehicles	Symmetric time window	Winsorize
Post treat	0.190	0.117	0.0555	0.129	0.0852	0.0791
	(3.26)	(2.65)	(5.47)	(2.91)	(1.86)	(1.82)
Post	0.506	0.482	−0.000325	0.483	1.134	0.469
	(11.69)	(13.71)	(−0.05)	(13.75)	(17.95)	(13.41)
Treat	0.253	−0.450	−0.141	−0.449	−0.404	−0.450
	(10.63)	(−25.72)	(−27.83)	(−25.67)	(−18.00)	(−25.71)
Price_Grade		−0.838	0.0555	−0.837	−0.796	−0.835
		(−227.50)	(5.47)	(−227.47)	(−189.38)	(−228.20)
LnGDP		0.712	0.0663	0.712	0.718	0.707
		(41.95)	(66.43)	(41.95)	(34.60)	(41.84)
LnPop		0.0940	−0.0216	0.0947	0.110	0.0979
		(4.84)	(−6.08)	(4.88)	(4.66)	(5.05)
LnUrban		−0.728	0.00000644	−0.732	−0.777	−0.713
		(−8.23)	(0.00)	(−8.26)	(−7.16)	(−8.08)
LnMile		0.0267	0.000167	0.0228	0.0365	0.0238
		(1.52)	(0.01)	(1.30)	(1.67)	(1.36)
LnIncome		0.912	−0.00664	0.923	0.944	0.889
		(10.90)	(−1.84)	(11.01)	(9.27)	(10.67)
LnRate		−0.320	0.00665	−0.321	−0.328	−0.312
		(−8.86)	(0.38)	(−8.88)	(−7.58)	(−8.68)
LnOil_Price		−0.307	0.00846	−0.307	−1.181	−0.296
		(−9.82)	(1.07)	(−9.82)	(−15.29)	(−9.53)
Constant	4.382	−2.851	0.0484	−2.922	1.078	−2.731
	(150.98)	(−4.86)	(6.75)	(−4.98)	(1.40)	(−4.69)
City FE	Yes	Yes	Yes	Yes	Yes	Yes
Time FE	Yes	Yes	Yes	Yes	Yes	Yes
Obs	54144	54144	32150	54113	35513	54144

Note: t statistics are in parentheses. ^∗ < 0.10, ^∗∗ < 0.05, and ^∗∗∗ < 0.01.