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...

This paper examines the role of human capital persistence in explaining long-term development. We exploit variation induced by a state-sponsored settlement policy that attracted a pool of immigrants with higher levels of schooling to particular regions of Brazil in the late 19th and early 20th...

Although previous research has shown that homework improves students' academic achievement, the majority of these studies use data on students' homework time from retrospective questionnaires, which are less accurate than time-diary data. However, most time-diary data sets do not contain outcome...