One of the benefits commonly claimed for expanded public health insurance is improved efficiency of medical care delivery, but this claim has little rigorous empirical support. We provide such support by assessing the impact of the Medicaid expansions over the 1983-1996 period on the incidence...

While efforts to improve the health of the uninsured have focused on demand side policies such as increasing insurance coverage, supply side changes may be equally important. Yet there is little direct evidence on the effect of policies designed to increase the supply of Medicaid services to the...

In 2008, a group of uninsured low-income adults in Oregon was selected by lottery to be given the chance to apply for Medicaid. This lottery provides a unique opportunity to gauge the effects of expanding access to public health insurance on the health care use, financial strain, and health of...

One of the benefits commonly claimed for expanded public health insurance is improved efficiency of medical care delivery, but this claim has little rigorous empirical support. We provide such support by assessing the impact of the Medicaid expansions over the 1983-1996 period on the incidence...

Medicaid’s federal-state matching system of financing is the nation’s largest example of fiscal federalism. Using generous federal subsidies, the Affordable Care Act incentivized states to expand Medicaid, which became a state option in the aftermath of a 2012 Supreme Court ruling. As of...

Medicaid's federal-state matching system of financing is the nation's largest example of fiscal federalism. Using generous federal subsidies, the Affordable Care Act incentivized states to expand Medicaid, which became a state option in the aftermath of a 2012 Supreme Court ruling. As of early...

We examine the impact of the expansion of public prescription drug insurance coverage from Medicare Part D on the elderly and find evidence of substantial crowd-out. Using detailed data from the 2002-7 waves of the Medical Expenditure Panel Survey (MEPS), we estimate that the extension of Part D...