instrumental variables estimation instrumenting family size with twin births. Estimation using a unrestricted specification for the … incentives for fertility should account for spillover effects on existing children. … sign of the marginal effects of additional siblings on children’s outcomes, our empirical model allows for an unrestricted …

causal effect of family size on children's education. Following common practice, a linear IV estimator has been used …, assuming constant marginal effects of additional children across family sizes. We find that the conclusion of no effect of … variable (IV) estimation. We show that tests for treatment effects, selection bias, and treatment effect heterogeneity are …

causal effect of family size on children's education. Following common practice, a linear IV estimator has been used …, assuming constant marginal effects of additional children across family sizes. We find that the conclusion of no effect of … variable (IV) estimation. We show that tests for treatment effects, selection bias, and treatment effect heterogeneity are …