A common approach to avoid risk selection in health insurance markets is to define and enforce a community-rated basic benefit package. The market for complementary insurance is usually completely separate from the market for basic health insurance. In Switzerland, however, the basic benefit...

In the absence of a perfect risk adjustment scheme, reimbursing health insurers ̕costs can reduce risk selection in community-rated health insurance markets. In this paper, we develop a model in which insurers determine the cost efficiency of health care and have incentives for risk selection....

This paper examines whether offering a health savings account (HSA)-eligible health plan for free, alongside other health plan options with a premium, alters employee enrollment choices; and if responders differ by health status. The data for this study come from two large employers and cover...