The decision to take more education is complex, and is influenced by individual ability, financial constraints, family background, preferences, etc. Such factors, normally unobserved by the researcher, introduce endogeneity and heterogeneity problems into estimating the returns to education. In...

We show that the length of compulsory education has a causal impact on regional labour mobility. The analysis is based on a quasi-exogenous staged Norwegian school reform, and register data on the whole population. Based on the results, we conclude that part of the US-Europe difference, as well...