Adverse selection is an important problem in many markets. Governments respond to it with complex regulations: mandates, community rating, subsidies, risk adjustment, and regulation of contract characteristics. This paper proposes a perfectly competitive model of a market with adverse selection....

This paper considers the problem of a risk-neutral firm offering a gamble to consumers with preferences given by prospect theory. Under conditions satisfied by virtually all functional forms used in the literature, firms can extract arbitrarily high expected values from consumers. Moreover, for...

This paper documents and explains the existence of grade non-disclosure policies in Masters in Business Administration programs, why these policies are concentrated in highly-ranked programs, and why these policies are not prevalent in most other professional degree programs. Related policies,...