1

2

3

PPI

PPI

PPI

DEGREE

0.0062^**

(2.10)

BETWEEN

0.0282

(1.58)

CLOSE

0.0018^**

(2.61)

SIZE

−0.0029

(−0.51)

−0.0020

(−0.33)

−0.0030

(−0.54)

FSIZE

0.0023

(0.34)

0.0040

(0.59)

0.0026

(0.40)

AGE

0.0755

(0.99)

0.0693

(0.91)

0.0751

(1.02)

TOVER

−0.0173

(−1.98)

−0.0153^*

(−1.68)

−0.0186^**

(−2.19)

STD

0.0408^***

(2.16)

0.0365^*

(1.78)

0.0436^**

(2.37)

COMP

0.0522^***

(2.14)

0.0488^*

(1.95)

0.0521^**

(2.15)

N

180,856

180,856

180,856

Adjusted R²

0.154

0.119

0.169