The Trivers Willard hypothesis that higher maternal quality is associated with a higher sex ratio is tested using a large population survey from 12 European countries. Several outcomes are studied, the proportion of children born who are male and the sex of the first three children. The...

This paper examines the effects of education on health and hospitalization over the life cycle. Using administrative data, we leverage a 1972 compulsory schooling reform within the United Kingdom which produced a large increase in educational attainment among affected cohorts. Our regression...

While the current empirical literature on peer group effects in schools highlights that credible causal peer effects cannot be estimated unless parental sorting is taken into account, the present paper highlights that causal peer effects might be conditional on the learning environment in which...