We consider a non cooperative game in which a continuum of heterogeneous individuals partition themselves into groups. A player's payoff depends on the group she chooses and the set of players who choose the same group as her.In the case of anonymous group externalities, we show that free...

Two players choose whether to coordinate on a project. Each of them is endowed with some information, and if both possess a sufficient amount then coordination is profitable. In order to facilitate coordination the players reveal information to one another. However, some players are concerned...

Electoral incentives may lead policymakers to eschew opportunities for common-interest reform, focusing instead on zero-sum, partisan policymaking. By forgoing opportunities for common-interest reforms, incumbents may convince their constituents that such reforms are rarely feasible, so that...

Two players choose whether to cooperate on a project. Each of them is endowed with some evidence, and if both possess a sufficient amount then cooperation is profitable. In order to facilitate cooperation the players reveal evidence to one another. However, some players are concerned about...

We present a two-stage coordination game in which early choices of experts with special interests are observed by followers who move in the second stage. We show that the equilibrium outcome is biased toward the experts' interests even though followers know the distribution of expert interests...

This paper analyzes the provision of public goods with cross-border externalities by representative democracies. The level of provision of each country is decided by a policy maker elected by majority rule at the country level. We compare the case in which policy makers set their policies...