模型6 (roa)

模型7 (roa)

模型8 (roa)

模型9 (roa)

mstock

0.0003^**

0.0003^**

0.0004^***

0.0004^***

(0.0001)

(0.0001)

(0.0002)

(0.0002)

share

0.0007^***

0.0007^***

0.0006^***

0.0006^***

(0.0001)

(0.0001)

(0.0001)

(0.0001)

fsize

0.0106^***

0.0106^***

0.0221^***

0.0219^***

(0.0010)

(0.0011)

(0.0012)

(0.0012)

fage

−0.0051^***

−0.0052^***

−0.0073^***

−0.0074^***

(0.0007)

(0.0006)

(0.0003)

(0.0003)

debt

−0.0748^***

−0.0982^***

−0.0751^***

−0.0930^***

(0.0041)

(0.0037)

(0.0046)

(0.0048)

dual

0.0006

0.0006

0.0012

0.0013

(0.0019)

(0.0021)

(0.0023)

(0.0024)

indera

−0.0210

−0.0223

−0.0195

−0.0206

(0.0229)

(0.0236)

(0.0209)

(0.0217)

slack

−0.0034^***

−0.0026^***

(0.0007)

(0.0009)

eo

0.0083^***

0.0082^***

(0.0011)

(0.0011)

_cons

−0.1330^***

−0.1169^***

−0.3789^***

−0.3628^***

(0.0274)

(0.0295)

(0.0341)

(0.0371)

R²

0.1501

0.1558

0.2171

0.2204

Hausman检验

127.22^***

139.71^***

346.26^***

632.66^***

模型的F值

258.07^***

3308.48^***

3018.31^***

2313.28^***