(1)

(2)

(3)

(4)

Monthly income logarithm

OLS

Processing effect model

Panel fixed effect model

Panel IV fixed effect model

Entrepreneurship

0.127***

0.111**

0.100*

0.097*

(0.047)

(0.049)

(0.056)

(0.051)

Control variables

Yes

Yes

Yes

Yes

Constant term

7.476***

7.452***

23.828***

23.854***

(0.168)

(0.166)

(7.031)

(7.034)

Sample size

6270

6270

6275

6275