Emission Reduction Effect and Mechanism of Auto-Purchase Tax Preference

Table 9

Localpolynomial regression results at different price points.

	(3)	(3)	(3)	(3)	(3)
	A	B	C	D	E
	= 3	= 3	= 3	= 3	= 3
T	2.390	2.597	2.498	3.502	3.249
	(0.6634)	(0.5761)	(0.3361)	(0.3479)	(0.2517)
x	0.275	0.255	0.125	0.163	−0.0164
	(0.0341)	(0.0386)	(0.0527)	(0.0506)	(0.0329)
Tx	−0.618	−0.748	0.243	−0.425	−0.262
	(0.3264)	(0.2951)	(0.1942)	(0.2142)	(0.1413)
x^2	0.0310	0.0355	0.0179	0.0182	−0.0107
	(0.0066)	(0.0074)	(0.0104)	(0.0099)	(0.0066)
Tx^2	−0.0416	−0.0365	−0.164	−0.0780	−0.0339
	(0.0483)	(0.0451)	(0.0315)	(0.0350)	(0.0226)
x^3	0.000673	0.00137	0.000898	0.000499	−0.000792
	(0.0004)	(0.0004)	(0.0006)	(0.0005)	(0.0004)
Tx^3	0.00113	0.000499	0.00745	0.00444	0.00471
	(0.0022)	(0.0021)	(0.0015)	(0.0017)	(0.0011)
Constant	6.781	7.134	1.324	2.457	2.728
	(0.0509)	(0.0581)	(0.0747)	(0.0717)	(0.0466)
Obs	8168	8156	3701	6049	24438
AIC	26498.9261	28077.8713	11644.0853	21666.1745	99422.5250

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