变量

(1)

(2)

GT

GT

PM

0.0539**

0.138***

(2.92)

(3.83)

Media

0.00172

(1.69)

PM*Media

0.127**

(3.04)

ATO

0.932***

(3.50)

PM*ATO

0.136**

(2.94)

SI

0.143***

0.169***

(6.10)

(7.80)

TQ

0.0170

0.0222

(1.27)

(1.82)

AG

−0.00907*

−0.0127***

(−2.57)

(−3.57)

ST

0.339***

0.332***

(7.78)

(7.70)

GR

0.0201

0.0222

(1.39)

(1.53)

LEV

0.144

0.111

(1.21)

(0.93)

ROA

0.970***

0.807**

(3.50)

(2.86)

GDP

−0.0321

−0.00337

(−0.64)

(−0.07)

TOP1

−0.587***

−0.669***

(−4.64)

(−5.29)

DU

−0.0272

−0.0433

(−0.73)

(−1.17)

PI

−0.175

−0.0434

(−0.59)

(−0.15)

_cons

−2.875***

−2.795***

(−3.80)

(−3.89)

Y

控制

控制

IN

控制

控制

r2_a

0.1537

0.1634

F

13.78

15.64

N

1831

1875