For a set of 14 developing countries I evaluate whether differences in the marginal product of human capital between sectors - estimated from individual-level wage data - have meaningful effects on aggregate productivity. Under the most generous assumptions regarding the homogeneity of human...

I estimate how new information about children's cognitive abilities leads parents to adjust investment within and across children. I use the National Longitudinal Survey of Youth matched mother-child data to construct measures of both child cognitive ability and parental investment during...