变量

(1)

(2)

GT

GT

PM

0.0598^***

(3.37)

SI

0.170^***

0.149^***

(7.89)

(6.93)

TQ

0.0231

−0.00167

(1.89)

(−0.14)

AG

−0.0109^**

−0.0170^***

(−3.14)

(−5.08)

ST

0.331^***

0.395^***

(7.68)

(9.07)

GR

0.0179

0.0250

(1.23)

(1.68)

LEV

0.157

0.345^**

(1.34)

(2.93)

ROA

1.023^***

1.065^***

(3.73)

(3.83)

GDP

−0.0467

0.0266

(−1.07)

(0.58)

TOP1

−0.644^***

−0.643^***

(−5.13)

(−5.05)

DU

−0.0493

−0.0472

(−1.34)

(−1.25)

PI

−0.0331

0.0109

(−0.11)

(0.04)

_cons

−2.885^***

−3.448^***

(−4.40)

(−4.94)

Y

控制

控制

IN

控制

控制

r2_a

0.1531

0.1021

F

15.82

18.87

N

1887

1887