变量

观测值

均值

标准差

最小值

中位数

最大值

TFP

8365

16.189

0.96

9.284

16.158

20.638

TFP_OP

8365

11.935

0.793

6.895

11.848

16.993

MEPay

8365

13.15

0.717

9.555

13.167

16.574

MMPay

8365

11.537

1.164

3.912

11.584

16.295

Size

8365

22.014

1.073

18.187

21.940

26.915

Roa

8365

0.037

0.097

−2.871

0.041

0.786

Lev

8365

0.362

0.196

0.231

0.346

2.293

Mshare

8365

15.887

18.292

0

8.325

132.78

Age

8365

8.317

6.547

1

6

30

Board

8365

8.315

1.466

4

9

17

TobinQ

8365

2.168

1.695

0.684

1.691

56.813

ROP

8365

8.734

14.258

−30.504

4.542

72.692