We study the optimal intervention policy to stop projects in a relational contract between a principal and a policymaker. The policymaker is privately informed about his ability and privately chooses how much effort to exert. Before a project is completed, the principal receives a signal about...

Kenneth Arrow and Karl Borch published several important articles in the early 1960s that can be viewed as the beginning of modern economic analysis of insurance activity. This chapter reviews the main theoretical and empirical contributions in insurance economics since that time. The review...