Nonlinear Effects of Environmental Regulation on Environmental Pollution

Table 3

Invest-based environmental regulation and regression results of environmental pollution measurement.

	ENI		ENIA		ENIB		ENIC
Method	Second-order adjacency	Geographical distance	Second-order adjacency	Geographical distance	Second-order adjacency	Geographical distance	Second-order adjacency	Geographical distance
Variable	M5	M6	M7	M8	M9	M10	M11	M12
LnPOLt-1	0.0902	0.0929	0.0913	0.1032	0.0857	0.8416	0.0907	0.0967
LnENI	-0.0264	-0.0165
LnENI2	0.0076	0.0066
LnENIA			-0.0195	-0.0208
LnENIA2			0.0022	0.0034
LnENIB					-0.0158	-0.0098
LnENIB2					0.0016	0.0016
LnENIC							-0.0438	-0.0419
LnENIC2							0.0126	0.0114
LnSTR	-0.1364	-0.1136	-0.2008	-0.1103	-0.0772	-0.0572	-0.0535	-0.0637
LnFDI	-0.0046	-0.0055	-0.0053	-0.0054	-0.0053	-0.0052	-0.0057	-0.0057
LnFIN	0.0455	0.0419	0.0359	0.0339	0.0371	0.0408	0.0398	0.0158
LnRGDP	-0.0213	-0.0376	-0.0062	-0.0062	-0.0725	-0.1025	-0.1042	-0.0954
CONS	4.2832	3.2832	-0.2648	-0.4102	11.3054	14.1004	-0.2573	-0.2859
	0.2878	0.3596	0.4028	0.3096	0.2122	0.2596	0.3088	0.3096
L-likehood	714.4170	702.0528	734.8050	752.2871	700.0021	699.2487	748.5521	759.2318
Adj-R2	0.8474	0.7653	0.8418	0.8953	0.7928	0.7953	0.7778	0.7953
Sargan	0.0907	0.1385	0.1107	0.0984	0.1007	0.1185	0.1114	0.0996

Note. , , and respectively represent passing hypothesis tests with significance levels of 1%, 5%, and 10%.