We analyze price dispersion using panel data from a large price comparison site. We use past pricing behavior to instrument for potential endogeneity that might result from the selection of firms to certain product markets. We find that greater price adjustment costs result in greater price...

We study the relationship between education and fertility, exploiting compulsory schooling reforms in England and Continental Europe, implemented between 1936 and 1975. We assess the causal effect of education on the number of biological children and the incidence of childlessness. We find...