(东部)

(中部)

(西部)

VARIABLES (变量)

TR

TR

TR

X₁

−0.075^**

0.282^*

0.221

(−2.14)

(1.87)

(1.55)

X₂

−0.190

1.174^*

2.616^***

(−0.91)

(1.70)

(3.02)

X₃

0.448^***

1.207^**

1.773^***

(4.13)

(2.45)

(2.95)

X₄

−0.256^***

−0.168

0.249

(−3.58)

(−0.91)

(1.27)

X₅

−0.065

1.335^***

0.736^***

(−0.73)

(4.43)

(3.84)

Constant

3.972^***

−20.219^***

−29.664^***

(2.72)

(−2.95)

(−3.42)

Observations

132

96

144

R-squared

0.397

0.466

0.406

F test

1.32e−07

0

5.28e−10

r2_a_

.

.

.

F

9.362

16.87

12.49