We develop a model that combines competitive exchange of private commodities across endogenously formed groups with public good provision and global collective decisions. There is a tension between local and global collective decisions. In particular, we show that group formation and collective...

The author proposes a two-round process called minority voting to allocate public projects in a polity. In the first round, a society decides by a simple majority decision whether to provide the public project. If the proposal in the first round is rejected, the process ends. Otherwise the...

In this paper we examine the impact of tax contracts as a novel institution on elections, policies, and welfare. We consider a political game in which three parties compete to form the government. Parties have policy preferences about the level of public-good provision and benefit from perks...