Variables

替换被解释变量

变更估计方法

变更时间区间

(1)

Pros

(2)

Defe

(3)

Firm effect

(4)

[−2, 2]

(5)

[−3, 3]

(6)

[−4, 4]

Post × Treated

1.000^***

(21.06)

−1.482^***

(−17.30)

0.183^**

(2.68)

2.050^***

(12.82)

2.200^***

(16.10)

2.300^***

(19.16)

KZ

Controls

Yes

Yes

Yes

Yes

Yes

Yes

Constant

−4.729^***

(−8.92)

3.491^***

(6.34)

19.984^***

(16.23)

8.056^***

(5.40)

7.543^***

(6.01)

8.812^***

(7.95)

Year

No

No

Yes

Yes

Yes

Yes

Industry

No

No

Yes

Yes

Yes

Yes

Firm

No

No

Yes

No

No

No

Observations

14,966

14,966

14,966

5278

7427

9819

R-squared

0.071

0.061

0.114

0.071

0.08

0.09