There is a long history of governmental efforts to protect personal privacy and strong debates about the merits of such policies. A central element of privacy is the ability to control the dissemination of personally identifiable data to private parties. Posner, Stigler, and others have argued...

This chapter deals with uncertainty and incomplete information in markets. It first considers situations in which the contract proposer is the ignorant party with the problem of designing a mechanism that induces the counter party, who is exogenously endowed with his information, to reveal that...