First-Stage Regressions (10–15-year-old age group)
| Dependent Variable: # of children in the family | ||||||
|---|---|---|---|---|---|---|
| 2 + Sample | 3 + Sample | 3 + Sample (First-Borns) | ||||
| Boys | Girls | Boys | Girls | Boys | Girls | |
| Presence of twins | 0.852*** | 0.862*** | 0.924*** | 0.986*** | 0.950*** | 0.989*** |
| (0.028) | (0.028) | (0.026) | (0.027) | (0.032) | (0.033) | |
| Second child | 0.351*** | 0.355*** | ||||
| (0.007) | (0.006) | |||||
| F-test | 1070.76*** | 1137.98*** | 1123.65*** | 1188.20*** | 648.57*** | 691.94*** |
| N | 139,214 | 148,106 | 138,689 | 145,156 | 87,556 | 92,182 |
Robust standard error in parenthesis.
Control variables: Year and state dummies; head’s schooling, gender and age; mother’s schooling and age.
Sample: Children aged in ∈ [10,15] living with two adults (the mother and her husband).
2+ Sample: 1st borns with at least 2 births in the families.
3+ Sample: 1st and 2nd borns with at least 3 births in the families.