This paper investigates consumer switching costs in the context of health insurance markets, where adverse selection is … at a large firm where we also observe individual-level panel data on health insurance choices and medical claims. We … toward better decisions by reducing switching costs. This policy increases welfare in a naive setting where insurance plan …

Health insurance markets face two forms of adverse selection problems. On the demand side, adverse selection leads to …

Moral hazard and adverse selection create inefficiencies in private health insurance markets and understanding the … plan selection. Previous studies have attempted to estimate moral hazard in private health insurance by assuming that … constraints generated by health insurance plans make these assumptions especially poor and we statistically reject their …

calibrated model of employer-sponsored health insurance, we show that the risk adjustment commonly used by employers to offset …

The willingness to pay for insurance captures the value of insurance against only the risk that remains when choices … are observed. This paper develops tools to measure the ex-ante expected utility impact of insurance subsidies and mandates … existing willingness to pay and cost curve estimates from the low-income health insurance exchange in Massachusetts. Ex …

This article describes the anatomy of health insurance. It begins by considering the optimal design of health insurance … States, which unites the functions of insurance and provision, and allows for active management of the care that is delivered …. The analysis then turns to the operation of health insurance markets. Economists generally favor choice in health …

in health insurance markets, less attention has been devoted to other aspects of consumer choice. The nation of … Switzerland offers a unique opportunity to study price competition in health insurance markets. Switzerland regulates health … insurance markets with the aim of minimizing adverse selection and encouraging strong price competition. We examine consumer …

This paper uses data on health insurance choices by employees of Harvard University to examine the effect of … insurance to a system of contributing an equal amount to each plan. We estimate a substantial demand response to the policy …. Finally, as insurance choice was made more competitive, premiums to Harvard fell relative to premiums in the Boston area by …

model. We compare health insurance coverage, premiums, and insurer average health claim expenditures between Massachusetts … health insurance, we find that premiums and average costs decreased significantly in response to the individual mandate …; consistent with an initially adversely selected insurance market. We are also able to recover an estimated willingness-to-pay for …