States with Section 1332 Waivers to operate high-risk pools (HRPs) or reinsurance programs can receive federal pass through funds equal to reductions in federal expenditures generated by the Waiver. Shifting financial responsibility for high-cost individuals out of the Health Insurance Exchange...

We investigate the presence of moral hazard and advantageous or adverse selection in a market for supplementary health insurance. For this we specify and estimate dynamic models for health insurance decisions and health care utilization. Estimates of the health care utilization models indicate...

We examine the relationship between locus of control (LOC) and the choice of having a supplementary health insurance. Drawing on longitudinal data from Germany, we document the following findings: First, we find robust evidence that an individual's internal LOC is associated with a higher a...

We study insurers' use of prescription drug formularies to screen consumers in the ACA Health Insurance Exchanges. We begin by showing that Exchange risk adjustment and reinsurance succeed in neutralizing selection incentives for most, but not all, consumer types. A minority of consumers,...

Using premium subsidies for private coverage, an individual mandate, and Medicaid expansion, the Affordable Care Act (ACA) has increased insurance coverage. We provide the first comprehensive assessment of these provisions' effects, using the 2012-2015 American Community Survey and a...

Since 2012 the Congressional Budget Office has included an estimate of the market value of government-provided health insurance coverage in its measures of household income. We follow this practice for both public and private health insurance to capture the impact of greater access to...

The steady state general equilibrium and welfare consequences of health insurance reform are evaluated in a calibrated life-cycle economy with incomplete markets and endogenous labor supply. Individuals face uncertainty each period about their future health status, medical expenditures, labor...

Subsidies for health insurance for chronically ill, high-cost individuals may increase coverage in the broader population by improving the functioning of insurance markets. In this paper, we assess an historical example of a policy intervention of this sort, the extension of Medicare to the...

The cost of efforts to expand health insurance coverage to the currently uninsured increases when people who would otherwise purchase private insurance obtain subsidized public coverage. Legislators are increasingly interested in mechanisms that target insurance benefits to those who need them...

We study regulations on the health insurance system for working-age U.S. households, consisting of employer-sponsored health insurance (ESHI), individual health insurance exchange (HIX), and Medicaid. We develop and estimate an equilibrium model with rich heterogeneity across local markets,...