Two parties have different goals. Voters, but not parties, are uncertain about the functioning of the economy, in this case the costs of producing a public good. The parties each propose a policy, an election is held and the policy of the winning party is implemented. Voters and parties care...

A democratic society is considered where the voters, but not the politicians, are uncertain about how the economy works. The parties therefore have a strategic motive to misinform the voters. Will the voters learn how the economy works and will the policy decisions be efficient? It turns out...

We consider a set of agents who have to choose one alternative among a finite set of social alternatives. A final allocation is a pair given by the selected alternative and the group of its users. Agents have crowding preferences over allocations: between any pair of allocations with the same...