Table 1 Descriptive statistics for key individual, region, and industry variables

 Individual monthly income (yuan)

1306.124

3207.396

14,698

 Male

54.5%

–

14,698

 Urban residents

43.1%

–

14,698

 Number of years of schooling

6.957

4.981

14,698

 Work experience (years)

28.632

13.906

14,698

 Party membership

8.2%

–

14,698

 Occupation’s ISEI

32.884

14.562

14,698

 Work at state/collective sector

17.5%

–

14,698

 County GDP per capita (10,000 yuan)

4.428

5.360

162

 County average of years of schooling

9.139

1.477

162

 Industry type

  Agriculture

5.3%

–

19

  Industry and manufacturing

21.1%

–

19

  Service and other

73.7%

–

19

 Industry age (proportion of entities established after 2000)

.643

.198

19

 Industry scale (the log of the number of employees)

15.796

1.081

19

 Proportion of female employees

.368

.122

19

  Proportion of employees with higher education

.389

.214

19

  Proportion of entities owned by state^a

.082

.107

18

  Average revenue per capita (10,000 yuan)^a

40.256

35.794

18