(1)

(2)

变量

LNFEE_lag1

LNFEE_lag2

STRADER

0.616***

0.498***

(5.08)

(3.88)

Controls

Yes

Yes

Constant

5.846***

6.056***

(69.05)

(63.23)

Industry fixed effect

Yes

Yes

Year fixed effect

Yes

Yes

Observations

16,118

13,747

R-squared

0.626

0.592

r2_a

0.625

0.591