变量

innovation

sub

size

roe

lev

age

VIF

innovation

1

sub

0.476^***

1

2.060

size

0.476^***

0.698^***

1

2

roe

0.163^***

0.176^***

0.118^***

1

1.430

lev

0.141^***

0.203^***

0.205^***

−0.442^***

1

1.550

age

0.0240

0.094^**

0.187^***

−0.0510

0.250^***

1

1.100