VIF

Model 1

Model 2

Model 3

Model 4

Beta

t-value

Beta

t-value

Beta

t-value

Beta

t-value

Firm size

1.200

0.348

3.840***

0.137

1.834

0.255

3.092**

0.128

1.757

Human capital

2.058

0.350

0.287

2.958**

Integration capability

1.910

0.356

3.623***

0.297

3.191**

Social relationships with industry agents

2.089

3.833***

0.083

0.743

Social relationships with external change agents

2.262

0.412

3.576**

0.210

2.596*

R²

0.121

0.490

0.337

0.521

Adjusted R²

0.113

0.475

0.318

0.502

F change

14.744

33.603

17.776

28.265

D − W

2.226

2.356

2.086

2.297