非国企

国企

difi

0.0176*

0.0265

(1.91)

(1.24)

lqd

−0.0006***

−0.0016

(−2.79)

(−1.46)

pftg

0.0009***

0.0026*

(4.06)

(1.67)

eqt

0.0246***

0.0035

(8.00)

(0.3·0)

pftm

1.0728***

1.1639***

(42.94)

(10.91)

_cons

−0.0395***

−0.0176

(−5.71)

(−1.09)

year

Yes

Yes

idv

Yes

Yes

N

3697

217

R2

0.7352

0.8081