Using U.S. Census microdata, the authors show that, on average, workers change occupation and industry less in more densely populated areas. The result is robust to standard demographic controls, as well as to including aggregate measures of human capital and sectoral mix. Analysis of the...

Using plausibly exogenous variation in demand for federal funds created by daily shocks to reserve balances, we identify the supply curve facing a bank borrower in the inter-bank market, and study how access to overnight credit is affected by changes in public and private measures of borrower...

Through designs akin to difference-in-differences, Bleakley (2007) produces evidence that the cam- paign to eradicate hookworm from the American South circa 1910 boosted school enrollment in childhood and income in adulthood. This comment works to replicate and reanalyze that study. Innovations...

Bleakley (2010) finds that large-scale campaigns in the 20th century to eradicate malaria were followed by income gains for those native to historically endemic areas. I perform a pre-registered reanalysis and find these results to be largely robust. Malaria eradication efforts indeed appear to...