Random subsample from the data of Angrist & Evans (1991).
Format
A data frame with 5,000 rows and 13 variables.
- worked
Indicator equal to 1 if the mother is employed.
- weeksw
Number of weeks of employment.
- hoursw
Hours worked per week.
- morekids
Indicator equal to 1 if the mother has more than 2 kids.
- samesex
Indicator equal to 1 if the first two children are of the same sex.
- age
Age in years.
- agefst
Age in years at birth of the first child.
- black
Indicator equal to 1 if the mother is black.
- hisp
Indicator equal to 1 if the mother is Hispanic.
- othrace
Indicator equal to 1 if the mother is neither black nor Hispanic.
- educ
Years of education.
- boy1st
Indicator equal to 1 if the first child is male.
- boy2nd
Indicator equal to 1 if the second child is male.