Anecdotal evidence suggests that the loss of health insurance results in changes in health behavior that reduces the risk or severity of illness. While ex ante moral hazard is nearly always mentioned as a potential consequence of health insurance, it is equally as often noted that ex ante moral...

Declines in the welfare caseload in the late 1990s brought significant change to the lives of many low-educated, single mothers. Many single mothers left welfare and entered the labor market and others re-arranged their lives in order to avoid going on public assistance. These changes may have...

We examine the effect of gaining prescription drug insurance as a result of Medicare Part D on use of prescription drugs, use of other medical services, and health for a nationally representative sample of Medicare beneficiaries. Given the heightened importance of prescription drugs for those...

We use unique data from an insurer that exclusively offers high-deductible, "consumer-directed" health plans to identify the effect of plan features, notably the spending account, on health care spending. Our results show that the marginal dollar in the spending account is entirely spent on...