地区

东部

中西部

(1)

(2)

birth

birth

pension

0.0113

−0.389**

(0.355)

(0.132)

consume

0.685*

1.497***

(0.283)

(0.200)

lnpgdp

−0.239

−0.101

(0.644)

(0.662)

urben

0.0802

0.0748*

(0.0780)

(0.0302)

struct

0.0589

−0.0217*

(0.0690)

(0.00843)

house

−0.0249

0.193**

(0.0516)

(0.0632)

_cons

4.483

10.02

(4.491)

(5.516)

N

187

338

R2

0.334

0.420

adj. R2

0.245

0.339