Pre-electoral coalitions occur frequently in parliamentary democracies. They influence post election coalition formation and surplus division. We study a game theoretic model where political parties can form coalitions both before (ex ante) and after (ex post) the elections. Ex ante coalitions...

We study whether the Coase conjecture holds in a model of bargaining during conflict due to Powell and Fearon. Two players, A and B, contest a divisible resource. At any time during the conflict, they can make a binding agreement to share the resource. The conflict continues until they make an...

We consider an "arms race" game, where two players simultaneously decide whether or not to aquire new weapons. Each player has a type, which is his private information. Types are independent. With probability close to one, the best outcome for each player is for neither to acquire new weapons...