变量

y1

y2

y3

y4

x1

−0.043***

−0.034***

−0.03***

−0.041***

(0.005)

(0.005)

(0.007)

(0.005)

N

5189

5189

2796

5189

R2

0.292

0.232

0.152

0.182

x2

−0.026***

−0.008*

−0.019***

−0.02***

(0.005)

(0.005)

(0.007)

(0.005)

N

5189

5189

2796

5189

R2

0.292

0.226

0.15

0.176

x3

0.011*

0.013*

0.022**

0.028***

(0.006)

(0.006)

(0.01)

(0.007)

N

5189

5189

2796

5189

R2

0.287

0.227

0.149

0.176