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This paper examines the possibility that a child's years of schooling could increase in the number of siblings, instead of being diminished by competition for parents' resources: if unable to finance the education of their younger children, parents may do so through their older children's labor income. We examine this possibility in a model combining convex returns to education and credit constraints. Our model predicts correlations among family size, years of schooling and birth order, which would not exist when either of these two elements is absent. Empirical patterns shown in the United States, Mexico, and South Korea support the model predictions.

This paper investigates the role of worker-firm matching algorithms in accounting for early job separation rates. For this purpose, we examine Korea's temporary foreign worker program in which the government classifies firms by priority levels and matches them with foreign workers based on their stated preferences. Using administrative data, we examine predictors for the job separation rates and propose alternative matching methods using the serial dictatorship. Our simulation results show that alternative matching methods can substantially reduce job separation rates, suggesting a possible improvement of the Korean program.