Two key issues for public insurance policy are the effect of insurance status on medical treatment, and the implications of insurance-induced treat- ment differentials for health outcomes. We address these issues in the context of the treatment of childbirth, using Vital Statistics data on every...

The poor health status of children in the U.S. relative to other industrialized nations has motivated recent efforts to extend insurance coverage to underprivileged children. There is little past evidence that extending eligibility for public insurance to previously ineligible groups will...

We study the effect of public insurance for children on their utilization of medical care and health outcomes by exploiting recent expansions of the Medicaid program to low-income U.S. children. These expansions doubled the fraction of children eligible for Medicaid between 1984 and 1992....

We investigate the health consequences of changes in the supply of fast food using the exact geographical location of fast food restaurants. Specifically, we ask how the supply of fast food affects the obesity rates of 3 million school children and the weight gain of over 3 million pregnant...

We are the first to examine the effect of Superfund cleanups on infant health rather than focusing on proximity to a site. We study singleton births to mothers residing within 5km of a Superfund site between 1989-2003 in five large states. Our "difference in differences" approach compares birth...

Little is known about the mechanisms underlying the transfer of economic status between generations. This paper addresses the question of whether inter-generational correlations in health contribute to the perpetuation of economic status. We examine inter-generational correlations in birth...