Identifying the Impact of Industrial Agglomeration on China’s Carbon Emissions Based on the Spatial Econometric Analysis

Table 6

Estimation results of the effects of SA and DA on carbon emissions for the subsample with W1.

Variable	Eastern region		Central region		Western region
	(1)	(2)	(3)	(4)	(5)	(6)
L.lnCE	1.192	1.195	1.599	1.581	0.928	0.908
	(0.047)	(0.043)	(0.097)	(0.097)	(0.041)	(0.042)
W × L.lnCE	−0.102	−0.071	1.803	1.706	0.049	0.036
	(0.089)	(0.090)	(0.238)	(0.231)	(0.147)	(0.145)
W × lnCE	0.240	0.280	0.171	0.174	0.364	0.350
	(0.080)	(0.081)	(0.148)	(0.151)	(0.108)	(0.108)
lnSA	0.003		0.211		0.208
	(0.065)		(0.113)		(0.078)
lnDA		−0.016		−0.007		−0.043
		(0.014)		(0.014)		(0.015)
lnpgdp	−0.226	−0.225	−0.800	−0.772	0.367	0.354
	(0.055)	(0.055)	(0.127)	(0.127)	(0.089)	(0.088)
lner	0.011	0.018	0.113	0.077	0.099	0.100
	(0.026)	(0.026)	(0.078)	(0.079)	(0.045)	(0.045)
[lner]^2	0.000	−0.001	−0.015	−0.010	−0.015	−0.016
	(0.004)	(0.004)	(0.013)	(0.013)	(0.006)	(0.006)
ur	−0.474	−0.423	−2.713	−2.912	−2.628	−2.714
	(0.175)	(0.174)	(0.954)	(0.969)	(0.638)	(0.636)
lninf	−0.291	−0.315	0.062	0.051	−0.066	−0.068
	(0.039)	(0.040)	(0.098)	(0.098)	(0.042)	(0.042)
Log-likelihood	370.953	364.938	111.351	113.052	292.829	294.666
Obs	221	221	102	102	187	187

Standard errors are reported in parentheses. , , and represent significance at 1%, 5%, and 10% levels, respectively. The eastern region contains the following provinces: Zhejiang, Jiangsu, Beijing, Shanghai, Heilongjiang, Tianjin, Fujian, Hebei, Shandong, Guangdong, Hainan, Liaoning, and Jilin; the central region contains the following provinces: Jiangxi, Shanxi, Henan, Anhui, Hunan, and Hubei; the western region contains the following provinces: Ningxia, Chongqing, Inner Mongolia, Sichuan, Guangxi, Guizhou, Shaanxi, Yunnan, Qinghai, Xinjiang, and Gansu.