This research uses the input-oriented Data Envelopment Analysis (DEA) approach to examine the efficiency of the U.S. health insurers. It shows that more insurers are less efficient than the previous sample year; however, the results suggest that the federal health care reform have no significant...

In a model where patients face budget constraints that make some treatments unaffordable, we ask which treatments should be covered by universal basic insurance and which by private voluntary insurance. We argue that both cost effectiveness and prevalence are important if the government wants to...

This paper introduces a tractable model of health insurance with both moral hazard and adverse selection. We show that government sponsored universal basic insurance should cover treatments with the biggest adverse selection problems. Treatments not covered by basic insurance can be covered on...

This paper develops and estimates a life‐cycle equilibrium labor search model in which heterogeneous firms determine health insurance provisions and heterogeneous workers sort themselves into jobs with different compensation packages over the life cycle. I study the optimal joint design of...

To design premium subsidies in a health insurance market it is necessary to estimate consumer demand, cost, and study how different subsidy schemes affect insurers' incentives. I combine data on household-level enrollment and plan-level claims from the Californian Affordable Care Act insurance...

Medicare Accountable Care Organizations (ACOs) represent the nation’s largest initiative of Medicare alternative payment models toward value and health outcomes. The Centers for Medicare & Medicaid Services (CMS) have tested various ACO models with differential risk structures, and have issued...