prof

−0.001**

−0.002**

−0.002**

−0.002***

−0.002

(−2.51)

(−2.53)

(−2.53)

(−2.62)

(−0.90)

grow

0.000

0.000

0.000**

−0.002

(1.64)

(1.63)

(2.13)

(−0.66)

herf

−0.001

−0.002

−0.265**

(−0.40)

(−0.51)

(−2.00)

L.DFC

−0.465***

(−2.63)

常数项

0.042***

−0.087***

−0.074***

−0.060***

−0.062***

−0.057**

0.142

1.490*

(9.95)

(−5.29)

(−4.50)

(−3.46)

(−3.67)

(−2.42)

(1.38)

(1.84)

样本数

3630

3630

3630

3630

3630

3630

3630

3025

R2

0.002

0.030

0.078

0.124

0.131

0.131

0.068

F

7.735

36.507

37.510

29.198

24.548

24.202

2.221

7.866