Overall

Eastern

Central

Western

Variables

Fixed effects

Fixed effects

Fixed effects

Random effects

C

1.39 (0.16)

1.151

(0.14)

86.506

(0.63)

−3.917

(−0.41)

−0.594^*** (−3.65)

−0.706^***

(−2.69)

−0.066

(−0.22)

−0.708^***

(−2.40)

0.326^** (1.98)

0.511^**

(1.94)

0.222

(0.75)

0.321

(1.05)

1.636^*** (18.60)

1.816^***

(12.91)

1.394^***

(8.08)

1.545^***

(7.23)

−0.035^*** (−4.41)

−0.021^*

(−1.63)

−0.046^***

(−4.21)

−0.043^***

(−2.68)

1.99

(0.90)

2.877

(1.04)

−17.477

(−0.53)

1.145

(0.44)

−0.305^**

(−2.13)

−0.441^**

(−2.43)

0.802

(0.41)

−0.092

(−0.53)

Adjusted R²

0.955

0.943

0.948

0.865

F-statistic

275.252^***

158.555^***

108.792^***

160.395^***

Hausman test

Chi-Sq (5) = 62.46^***

Chi-Sq (5) = 74.57^**

Chi-Sq (6) = 12.31^**

Chi-Sq (6) = 0.000

Observation

465

180

135

150