Recent empirical work questions the negative relationship between family size and children’s attainments proposed by theoretical work and supported by a large empirical literature. We use twin births as an exogenous source of variation in family size in an unusually rich dataset where it is...

Recent empirical work questions the negative relationship between family size and children’s attainments proposed by theoretical work and supported by a large empirical literature. We use twin births as an exogenous source of variation in family size in an unusually rich dataset where it is...