(1) 国有

(2) 民营

(3) 外资

(4) 其他

zscore

zscore

zscore

zscore

lnepu

−0.330^***

−0.456^***

−0.130

−0.053

(0.047)

(0.095)

(0.093)

(0.050)

lnta

−0.017

−0.057

0.033

0.025

(0.021)

(0.048)

(0.039)

(0.016)

nalr

−0.123^***

−0.009

−0.121^*

−0.464^***

(0.022)

(0.012)

(0.063)

(0.080)

str

0.027

0.027

0.028^***

−0.675

(0.026)

(0.050)

(0.004)

(0.469)

qr

1.045^***

2.351^***

0.098

0.061

(0.112)

(0.297)

(0.307)

(0.222)

cr

0.203

−1.432^***

0.654

0.631^**

(0.161)

(0.478)

(0.439)

(0.300)

roe

−0.676

−0.074

1.231

4.310^*

(0.437)

(0.669)

(1.370)

(2.212)

opm

0.162

0.151

0.242

−3.046

(0.163)

(0.317)

(0.445)

(1.896)

opgr

0.000

0.132

0.355^*

−0.105

(0.000)

(0.097)

(0.184)

(0.109)

_cons

3.358^***

3.716^***

1.693^***

2.568^***

(0.318)

(0.640)

(0.606)

(0.245)

N

509.000

189.000

52.000

20.000

r2

r2_a