模型1

模型2

系数

t值

p值

系数

t值

p值

常数项

−77.6327

−0.7221

0.4703

−76.5164

−0.7118

0.4766

Ln(EVA_t-1)

0.0589***

8.0351

0.0000

0.0589***

8.0208

0.0000

Ownership*Ln(EVA_t-1)

−0.0388***

−3.5914

0.0003

Stateowned*Ln(EVA_t-1)

−0.0588***

−3.6202

0.0003

Countyowned*Ln(EVA_t-1)

−0.0301*

−2.5108

0.0121

LnSize

0.1482***

12.2809

0.0000

0.1479***

12.2570

0.0000

Lev

0.0018

0.8481

0.3964

0.0018

0.8527

0.3939

Board

13.6058

0.7057

0.4804

13.3796

0.6940

0.4877

Indd

4.1780

0.2163

0.8288

4.4259

0.2291

0.8188

Lsh

−0.8795

−18.8522

0.0731

−0.6283*

−15.004

0.0174

Dual

0.8668

0.4131

0.6796

0.8774

0.4182

0.6758