Can the Double-Pillar Regulation Drive Enterprise Innovation?

Table 4

Heterogeneity test.

	(1)	(2)	(3)	(4)
	Eastern region	Central region	Western region
MP	0.289699	0.247279	0.194626	0.267485
	(7.4701)	(4.5110)	(2.1672)	(6.0132)
MPI	−0.035715	−0.037445	−0.050233	−0.064078
	(−4.1131)	(−2.2516)	(−2.2360)	(−5.8896)
MMPI	0.013450	0.014831	0.016823	0.024741
	(3.4469)	(1.9361)	(1.6150)	(4.6873)
MPnature				0.014188
				(0.5968)
MPInature				0.041432
				(3.7798)
MMPInature				−0.016669
				(−3.0663)
Control	Y	Y	Y	Y
Fixed effect of the industry	Y	Y	Y	Y
Fixed effect of the region	Y	Y	Y	Y
N	15091	3691	2051	20837
R2	0.4978	0.6103	0.5634	0.5102