We argue that a social norm and the coordination of behavior within social groups can be expressed by a correlated equilibrium. Given a social group structure (a partition of individuals into social groups), we propose four conditions that one may expect of a correlated equilibrium consistent...

The winners of auctions for pubic-private partnership contracts, especially for major infrastructure projects such as highways, often enter financial distress, requiring the concession to be reallocated or renegotiated. We build a simple model to identify the causes and consequences of such...

A government delegates a build-operate-transfer project to a private firm in a limited-commitment framework. When the contract is signed, parties are uncertain about the operating cost. The firm can increase the likelihood of facing a low cost by exerting some noncontractible effort while...