Competition among health insurers is widely considered to be a means of enhancing efficiency and containing costs in the health care system. In this paper, it is argued that this could be unsuccessful since health care providers hold a strong position on the market for health care services....

Many health economists demand more competition in the health care system. They focus on the competition between sickness funds for insured and the competition between health care providers for contracts with sickness funds. But they neglect the competition between health care providers for...