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...

This paper studies redistributional effects of competition between private and public insurance on health insurance markets based on the example of Germany. Health insurance is provided by a budget-balancing public insurance and a revenue-maximizing private insurance; customers are characterized...

The proliferation of direct-to-consumer (DTC) genetic testing poses new regulatory challenges as genetic testing and information, once within the exclusive domain of medical institutions, has migrated into the private commercial sector. The FDA’s traditional “protective” medical device...