coalitions to provide public goods. Theory is ambiguous on the equilibrium coalition size and contribution rates. We examine the … emergence of coalitions, their size, and how uncertainty in public goods provision affects contribution levels and coalition … coalition to provide the good. Contrary a core theoretical result, we find that coalition size increases when the public good …

pessimistic conclusions from the theory: only few players form a coalition when the institution prescribes the full … (coalitions) of players. International agreements serve as one example. This paper experimentally tests theory on the formation of … internalization of mutual benefits of members. Contrary to theory, coalitions that try to reduce the free-riding incentives by …

concern shifted to voluntary provision of public goods; in the 1990's, the literature on coalition formation for public goods … provision emerged, in the context of coalitions to provide transboundary pollution abatement. The problem is that theory … equilibrium size of a coalition of agents formed to provide the public good. In contrast to much of the literature, we treat the …

votes. 'This vote,' we hear, ' will either win by a little or lose by a lot.' Real-world examples suggest coalition leaders …

We present a theory of ethnic conflict in which coalitions formed along ethnic lines compete for the economy%u2019s … resources. The role of ethnicity is to enforce coalition membership: in ethnically homogeneous societies members of the losing … coalition can defect to the winners at low cost, and this rules out conflict as an equilibrium outcome. We derive a number of …

propagated abroad. In previous work, we built on the theory of rational bubbles to develop a framework to think about the origins …