We investigate whether job loss as the result of displacement causes ill health. In doing this we use much better data than any previous investigators. Our data are a random 10% sample of the adult population of Denmark for the years 1981-1999. For this large representative panel we have very...

We employ a regression-discontinuity design to identify effects on educational attainment (years of education) of class size and the number of pupils per weekly teacher hour using administrative rules as instruments. We use a Danish administrative panel data set based on a 10% random sample of...