模型(1)

POV

模型(2)

POV

模型(3)

POV

模型(4)

POV

模型(5)

POV

模型(6)

POV

Csr

0.0534^***

(0.00707)

0.0548^***

(0.00759)

0.0516^***

(0.00752)

0.0502^***

(0.00752)

0.0521^***

(0.00753)

0.0507^***

(0.00751)

ROA

−0.179^*

(0.353)

0.832^*

(0.415)

0.867^*

(0.414)

0.866^*

(0.412)

0.860^*

(0.410)

AIR

1.010^***

(0.224)

0.979^***

(0.224)

0.836^***

(0.230)

0.864^***

(0.229)

TOR

−0.131^*

(0.0543)

−0.118^*

(0.0543)

−0.114^*

(0.0541)

Q

−0.0255^*

(0.0102)

−0.0262^**

(0.0101)

Age

−0.0207^**

(0.00728)

Year

YES

YES

YES

YES

YES

YES

Ind

YES

YES

YES

YES

YES

YES

_cons

2.543^***

(0.252)

2.550^***

(0.253)

2.115^***

(0.268)

2.156^***

(0.267)

2.410^***

(0.285)

2.934^***

(0.338)

N

756

756

756

756

756

756

R²

0.1462

0.1465

0.1695

0.1760

0.1831

0.1921