We introduce new risk groups to a standard capitation formula and evaluate risk selection incentives of insurers. The study uses a unique data set of almost 24 million affiliates to Government's mandatory health insurance system. This data set is very rich in the sense of reporting all claims...

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...