I investigate why the United States did not adopt European style health insurance in the 1910s by examining voting determinants on the 1918 referendum on state-provided health insurance in California. I find that although the persuasiveness of interest groups, especially doctors, was an...

What is the nature of the industrial organization of the market for physician services? Is the market 'competitive?' Are there pareto-relevant market failures, such that there is room for welfare improving policies? Economists have devoted a great deal of attention to this market, but it remains...

I aim to shed light on why emergency room (ER) utilization increased following the Oregon Health Insurance Experiment but decreased following a Massachusetts policy. To do so, I unite the literatures on insurance and treatment effects. Under an MTE model that assumes no more than the LATE...

In this essay, we review the theory and evidence concerning selection in competitive health insurance markets and discuss the common policy tools used to address the problems it creates. We begin by outlining some important but often misunderstood differences between two types of conceptual...

We study the Medicare Part D prescription drug insurance program as a bellwether for designs of private, non-mandatory health insurance markets that control adverse selection and assure adequate access and coverage. We model Part D enrollment and plan choice assuming a discrete dynamic decision...

The prevalence of obesity has been rising dramatically in the U.S., leading to poor health and rising health care expenditures. The role of policy in addressing rising rates of obesity, however, is controversial. Policy recommendations for interventions intended to influence body weight...

This paper assesses the impact of two recent policies designed to increase insurance coverage for older teens and young adults. The introduction of SCHIP in 1997 enabled low and moderate income teens up to age 19 to gain access to public health insurance. More recent policies adopted by a number...

This paper investigates the impact of Medicare HMO penetration on the medical care expenditures incurred by Medicare fee-for-service enrollees. We find that increasing penetration leads to reduced health care spending on fee-for-service beneficiaries. In particular, a one percentage point...

Some states have implemented community rating regulations to limit the extent to which premiums in the individual health insurance market can vary with a person?s health status. Community rating and guaranteed issues laws were passed with hopes of increasing access to affordable insurance for...

This paper provides a broad and general overview of the relationship between the U.S. health care system and the labor market. The paper first describes some of the salient features of and facts about the system of health insurance coverage in the U.S., particularly the role of employers. It...