国有企业

非国有企业

变量

(1)

(2)

(3)

(4)

(5)

(6)

Grenov₁

Grenov₂

Grenov₃

Grenov₁

Grenov₂

Grenov₃

CEPI

0.402^***

(7.341)

0.357^**

(2.732)

0.284^***

(4.591)

0.109^**

(4.137)

0.056

(0.156)

0.034^*

(2.521)

Constant

4.218^**

(2.650)

3.536^***

(5.213)

6.749^*

(1.716)

2.451^**

(2.783)

0.782^*

(1.324)

1.235^**

(3.107)

X_it

Yes

Yes

Yes

Yes

Yes

Yes

Company

Yes

Yes

Yes

Yes

Yes

Yes

Year

Yes

Yes

Yes

Yes

Yes

Yes

N

3536

7998

3536

7998

3536

7998

R²

0.681

0.535

0.624

0.508

0.462

0.537