The majority shareholder in a closely held corporation may use its control of the corporate machinery to appropriate wealth from the minority, and it is difficult for the majority to make a binding commitment not to do so. This paper models the interaction between majority and minority...

Consider an environment where long-lived experts repeatedly interact with short-lived customers. In periods when an expert is hired, she chooses between providing a profitable major treatment or a less profitable minor treatment. The expert has private information about which treatment best...

This paper builds a theory of informal contract enforcement in social networks. In our model, relationships between individuals generate social collateral that can be used to control moral hazard when agents interact in a borrowing relationship. We define trust between two agents as the maximum...

Theorists and policy analysts have convincingly argued that greater trust makes a more efficient society by eliminating costly contracts or expensive reputations. Concurrently, experiments suggest that reciprocity is a potent substitute for law when compliance with contracts is imperfectly...

We analyze the offering, asking, and granting of help or other benefits as a three-stage game with bilateral private information between a person in need of help and a potential help-giver. Asking entails the risk of rejection, which can be painful: since unawareness of the need can no longer be...

Central banks are increasingly reaching out to the general public to motivate and explain their monetary policy actions. One major aim of this outreach is to guide inflation expectations; another is to ensure accountability and create trust. This article surveys a rapidly-growing literature on...