I estimate the effect of class size on scholastic achievement using that schools are only in session during the school year and out of session during the summer. This seasonal feature of the schooling system makes it possible to control for unobservable pupil characteristics affecting both the...

Using that schools are in session during the school year and out of session during the summer, it is possible to isolate the effect of schooling on learning. This natural experiment situation can also be used to see whether schooling compensates for disadvantageous social backgrounds. Using a...

A vast literature has established a strong positive association of income with health status and a negative association with mortality. This paper studies the effects of income on health and mortality, using only the part of income variation that is due to a truly exogenous factor: the monetary...

I estimate the effect of class size on scholastic achievement using that schools are only in session during the school year and out of session during the summer. This seasonal feature of the schooling system makes it possible to control for unobservable pupil characteristics affecting both the...

Recent studies that aim to estimate the causal link between the education of parents and their children provide evidence that is far from conclusive. This paper explores why. There are a number of possible explanations. One is that these studies rely on different data sources, gathered in...

This paper evaluates general achievement effects of choice and competition between private and public schools at the nine-year school level by assessing a radical voucher reform that was implemented in Sweden in 1992. Starting from a situation where the public schools essentially were...