Coefficient

Pooled

Prob

Fixed

Prob

Random

Prob

C

36049.42

0.000

22229.98

0.041*

35949.93

0.000*

IGR

0.1656504

0.050

0.2831304

0.022*

0.1694784

0.045*

R-square = 0.2030

Adj R-square = 0.1821

F-statistics = 3.95

Prob(F-stat) = 0.0499

R-square = 0.7081

Adj R-square = 0.6736

F-statistics = 11.68

Prob(F-stat) = 0.0000

R-square = 0.6430

Wald chi2(5) = 4.01

Prob> chi2 = 0.0453

Restricted F-test = 12.30 (p = 0.0024 < 0.05)

Hauman Test = 1.02 (P = 0.2280< 0.05)