Occupations (no-blue-color workers)

Blue-color workers

−0.062***

−9.27

−0.065***

−8.28

−0.073***

−5.92

−0.062***

−9.27

Industries (no-manufacturing)

Manufacturing

−0.071***

−10.87

−0.133***

−17.20

0.031***

2.65

−0.071***

−10.88

Regions (East)

West

−0.023***

−2.80

−0.046***

−5.00

0.023

1.36

−0.023***

−2.77

Central

0.130***

14.16

0.113***

11.13

0.173***

9.10

0.130***

14.20

Year dummy

Yes

Yes

Yes

Yes

Cons.

−0.967

−8.48

−0.198***

−1.54

−2.098***

−9.12

−1.143***

−8.04

Obs.

46,740

31,502

15,238

46,740

Adj.R-sq.

0.259

0.259

0.218

0.259