internalities justify government action. I then turn to markets for medical care and health insurance. Virtually all governments … provide health insurance for some part of the population. Governments face several fundamental choices in this provision. The … at the expense of quality. A second choice is in the degree of cost sharing. More generous insurance reduces the utility …

Most existing studies of risk selection in the employer-sponsored health insurance market are case studies of a single …

Most existing studies of risk selection in the employer-sponsored health insurance market are case studies of a single …

providers. diversity supplied by their health insurance plan and that this value increases with their probability of disease … that vertical integration in health insurance markets can create an anti-raise rivals’ cost effect. Consequently, our …