Over the last two decades, employers have increasingly offered workers a choice of health plans. The availability of choice has the potentially beneficial effects of lowering the cost and increasing the quality of health care through greater competition among health plans for enrollees as well...

The U.S. is the only developed country without some form of national health insurance. Yet, public opinion polls have consistently reported solid majorities in favor of such a system. In this paper, we examine whether attitudes toward different roles of government and beliefs that may be related...

"Prices in government and employer-sponsored health insurance markets only partially reflect insurers' expected costs of coverage for different enrollees. This can create inefficient distortions when consumers self-select into plans. We develop a simple model to study this problem and estimate...