Preferences for male children in Albania are shown to have persisted through nearly half a century of communist rule, and twenty five years of economic transition. Substantial contemporary birth masculinisation is concentrated amongst higher order births. Fertility falls strongly when a...

The Student Right-to-Know Act requires colleges to provide institution-specific information on graduation rates for students initially enrolling full-time in the fall term. Not all students, however, initially enroll full-time or in the fall term. We use longitudinal data on academic,...

This paper investigates the long-run effects of climate change on conflict by examining cooling from 1400-1900 CE, a period that includes most of the Little Ice Age. We construct a geo-referenced and digitized database of conflicts in Europe, North Africa, and the Near East from 1400-1900, which...

This paper studies the long-term effect of radiation on cognitive skills. We use regional variation in nuclear fallout caused by the Chernobyl disaster in 1986, which led to a permanent increase in radiation levels in most of Europe. To identify a causal effect, we exploit the fact that the...