变量

均值

标准差

最小值

最大值

Roe

0.07362

0.06325

−0.31263

0.37339

Dtii

0.00963

0.01692

0

0.10369

R&D

0.00635

0.03069

0.00093

0.02136

Size

25.0398

1.99236

17.3984

30.2698

Age

1.60695

0.29056

1.16259

3.50695

Atr

0.83063

0.33695

0.03659

3.95628

Itr

4.75963

3.99563

0.49326

51.3695

Lhr

34.2698

13.5928

30.9651

69.1625

Hhi

0.46352

0.17623

0.13962

0.99753