估计方程

VARIABLES

OLS

FE

FET

RE

老年抚养比

0.966^***

−0.753^*

−1.572^***

−0.519^*

(2.96)

(−1.89)

(−6.32)

(−1.95)

死亡率

−0.002

0.005

−0.004

0.000

(−0.34)

(0.75)

(−0.96)

(0.09)

少儿抚养比

−0.027

−0.164

−0.283^**

−0.238^*

(−0.22)

(−0.75)

(−2.26)

(−1.76)

城镇化率

−0.046

0.166^**

0.232^***

0.154^***

(−0.78)

(2.69)

(6.09)

(3.59)

产业结构

0.082

−4.228^***

−5.331^***

−3.715^***

(0.09)

(−3.79)

(−6.63)

(−4.46)

经济增长

−0.082

−0.029

0.049

−0.028

(−1.30)

(−0.84)

(1.08)

(−0.79)

通货膨胀率

−0.011

0.380^***

−0.261^***

0.274^***

(−0.30)

(3.35)

(−3.08)

(7.19)

资本存量

0.095^***

−0.094

−0.059^**

−0.039

(4.42)

(−1.36)

(−2.04)

(−1.52)

人口增长率

0.003

−0.001

0.002

−0.002

(1.45)

(−0.69)

(1.36)

(−1.39)

Constant

−0.249^**

0.496^**

0.358^***

(−2.06)

(2.42)

(3.34)

Observations

480

480

480

480

R-squared

0.281

0.613

0.873

Number of province

30

30

province FE

YES

YES

F test

0

0

r2_a

0.605

0.857

F

27.97

12.12

Year FE

YES