变量名称

平均值

标准差

最小值

最大值

实验组

CCR

3.053

0.750

−3.507

4.755

GDP growth

9.378

7.946

−28.14

33.19

soe

0.438

0.496

0

1

export

11.47

17.67

0

100

leverage

45.69

21.17

4.795

94.98

roe

8.545

18.18

−190.1

66.00

patent

2.060

1.766

0

6.727

environment

1.352

0.862

0.202

4.401

对照组

CCR

2.803

0.872

−3.912

4.449

GDP growth

9.519

8.325

−28.14

29.56

soe

0.406

0.491

0

1

export

14.16

20.99

0

100

leverage

43.57

21.29

5.002

94.98

roe

9.789

19.02

−90.87

266.6

patent

1.995

1.829

0

6.987

environment

1.141

0.759

0.202

4.251