Using U.S county level data on lead in air for 1978-1988 and lead in topsoil in the 2000s, this paper examines the impact of lead exposure on a critical human function with societal implications - fertility. To provide causal estimates of the effect of lead on fertility, we use two sets of...

This paper studies how better access to public health insurance affects infant mortality during pandemics. Our analysis combines cross-state variation in mandated eligibility for Medicaid with two influenza pandemics - the 1957-58 "Asian Flu" pandemic and the 1968-69 "Hong Kong Flu" - that...