润灵esg

L润灵esg

L2润灵esg

L3润灵esg

Patent

0.008***

0.010***

0.007***

0.003*

(0.002)

(0.002)

(0.002)

(0.002)

risk

−0.124

−0.331***

−0.367***

−0.318***

(0.077)

(0.090)

(0.088)

(0.075)

_cons

−2.308***

−2.725***

−2.021***

−1.018***

(0.143)

(0.177)

(0.187)

(0.173)

N

39042

33613.000

29578.000

26201.000

r2

0.191

0.209

0.222

0.207

Controls

IND

Yes

Yes

Yes

Yes

year

Yes

Yes

Yes

Yes