Research on the effect of language skills on earnings is complicated by the endogeneity of language skills. This study exploits the phenomenon that younger children learn languages more easily than older children to construct an instrumental variable for language proficiency. We find a...

While health affects economic development and wellbeing through a variety of pathways, one commonly suggested mechanism is a "horizon" channel in which increased longevity induces additional education. A recent literature devotes much attention to how much education responds to increasing...

How much does disease depress development in human capital and income around the world? I discuss a range of micro evidence, which finds that health is both human capital itself and an input to producing other forms of human capital. I use a standard model to integrate these results and suggest...