模型(1)

模型(3)

变量

SDC

SDC

CSR

0.0108^***

(12.8071)

REP

0.0080^**

(2.2072)

Size

0.0156^***

(5.6362)

0.0187^***

(6.5042)

Age

0.0032^***

(6.2488)

0.0052^***

(9.4923)

Growth

0.0409^***

(20.5153)

0.0433^***

(21.0387)

Board

0.0113

(1.5658)

0.0100

(1.3734)

LEV

0.0270^***

(2.8330)

0.0152

(1.5738)

Year

Yes

Yes

N

7200

7200