Chapter 1. Introduction -- Chapter 2. Rationality of choices made by individual consumer -- Chapter 3. Rationality of choices made by groups of consumers -- Chapter 4. Rationality of choices made by individual producers -- Chapter 5. Rationality of choices made by groups of producers by...

Credence goods markets, such as those for car repairs and medical treatments, are generally characterized by an ex-ante and ex-post information asymmetry between the uninformed buyer and the informed seller. Previous literature demonstrates that efficiency and fraud in a monopolist credence...

We consider the problem of a seller who faces a privately informed buyer and only knows one moment of the distribution from which values are drawn. In face of this uncertainty, the seller maximizes his worst-case expected profits. We show that a robustness property of the optimal mechanism...