type="main" <p>We study optimal risk adjustment in imperfectly competitive health insurance markets when high-risk consumers are less likely to switch insurer than low-risk consumers. Insurers then have an incentive to select even if risk adjustment perfectly corrects for cost differences. To...</p>

We study optimal risk adjustment in imperfectly competitive health insurance markets when high-risk consumers are less likely to switch insurer than low-risk consumers. First, we find that insurers still have an incentive to select even if risk adjustment perfectly corrects for cost differences...

The financial crisis has been attributed partly to perverse incentives for traders at banks and has led policy makers to propose regulation of banks' remuneration packages. We explain why poor incentives for traders cannot be fully resolved by only regulating the bank's top executives, and why...

The financial crisis has been attributed partly to perverse incentives for traders at banks and has led policy makers to propose regulation of banks' remuneration packages. We explain why poor incentives for traders cannot be fully resolved by only regulating the bank's top executives, and why...

In this paper, the authors study optimal risk adjustment in imperfectly competitive health insurance markets when high-risk consumers are less likely to switch insurer than low-risk consumers.<font face="CMR10" size="3"><font face="CMR10" size="3">First, they find that insurers still have an incentive to select even if risk adjustment perfectly...</font></font>

This paper provides an analysis of exclusive contracts between health care providers and insurers in a model where some consumers choose to stay uninsured. In case of a monopoly insurer, exclusion of a provider changes the distribution of consumers who choose not to insure. Although the...

We analyze exclusive contracts between health care providers and insurers in a model where some consumers choose to stay uninsured. In case of a monopoly insurer, exclusion of a provider changes the distribution of consumers who choose not to insure. Although the foreclosed care provider remains...