This paper provides a selective survey of recent approaches to coalition and network formation in industrial organization, and offers a unified framework in which the different approaches can be compared. We focus on two extreme forms of cooperation-collusive agreements and cost-reducing...

This chapter surveys recent models of coalition and network formation in a unified framework. Comparisons are drawn among various procedures of network and coalition formation, involving simultaneous and sequential moves. The survey also covers models of group and network formation by farsighted...

This paper studies a game of attack and interception in a network where a single attacker chooses a target and a path, and each node chooses a level of protection. We show that the Nash equilibrium of the game exists and is unique. We characterize equilibrium attack paths and attack...

This paper analyzes the provision of local public goods with positive spillovers across jurisdictions. If spillovers are symmetric, the noncooperative game played by jurisdictions admits a unique equilibrium, and an increase in spillovers reduces the total provision of public goods. Smaller...