How Do Different Types of Environmental Regulations Affect Green Innovation Efficiency?

Table 3

Descriptive statistical analysis of variables.

Variables	Average	Standard deviation	Minimum	Maximum
GI-T	0.4345502	0.2383323	0.1942414	0.8147382
GI-1	0.3849138	0.2325427	0.1664317	0.9793586
GI-2	0.4872725	0.2755058	0.1803100	0.9625114
CER	7.4304300	0.2109415	7.1522690	7.8501030
MER	10.5573100	0.4613198	9.6936430	11.0359500
VER	9.0627710	0.8157237	7.8883340	10.2680300
OPEN	11.9387600	0.9461677	10.5038300	13.2869200
IP	0.5632353	0.0601192	0.4760000	0.6360000
ECO	9.9209500	0.8057279	8.6135940	10.9554600
EDU	220.8446000	65.9226700	86.8874900	291.2848000