Independent variables

Dependent variables

d

model 2-1

model 2-2

model 2-3

model 2-4

Ln_large (p)

−0.0260903

(0.713)

Ln_mid (p)

0.2093892

(0.473)

Ln_small (p)

0.1498597***

(0.000)

Ln_micro (p)

0.1122656***

(0.000)

Model F (p)

0.14

(0.713)

0.52

(0.473)

71.5***

(0.000)

13.81***

(0.000)

R2

0.0004

0.0016

0.0187

0.0089