The authors consider situations where a sale affects the ensuing interaction between potential buyers. These situations are modeled by assuming that an agent who does not acquire the object for sale incurs an identity-dependent externality. The authors construct a revenue-maximizing auction for...

In a sequential bargaining model of coalition formation and payoff M division players form demands for their participation in a coalition. These M demands have some appealing, intuitive features. We characterize the sets of M semi-stable and stable demands vectors for general NTU games using M...