| Variable | Variable name | Variable description |
| Dependent variable | ||
| Wage log | ln(wage) | Natural logarithm of hourly wage on the current job |
| Education | ||
| Education | educ | Years of education (educ = 12 - 18) |
| Sector | ||
| Sector indicator | sectordum | Dummy variable for sector: Manufacturing = 0, Service = 1 |
| Sector x education | interact | Interaction term between sector and education |
| Work experience | ||
| Working weeks | weeks | Weeks worked last year |
| Working hours | hours | Hours worked last week |
| Family factors | ||
| Marital status | married | Dummy variable for marriage: Currently married = 1, Others = 0 |
| Number of children | child | Number of children in the family |
| Labor market conditions | ||
| Female labor supply | supply | Percentage of female labor supply in the labor market for the current year |