We combine growth theory with US Census data on individual schooling and wages to estimate the aggregate return to human capital and human capital externalities in cities. Our estimates imply that a one year increase in average schooling in cities increases their aggregate labour productivity by...

Identification of the strength of human capital externalities at the aggregate level is still not fully understood. The existing method may yield positive or negative externalities even if wages reflect marginal social products. We propose an approach that yields positive average human capital...

There is growing evidence that cognitive and noncognitive skills affect the economic and social outcomes of individuals. In this paper, we analyze how they affect the migration decisions of individuals during their lifetimes. We use data that combine military enlistment and administrative...