We consider an environment where agents must be allocated to one of three kinds of hierarchical positions with limited capacities. No monetary transfers are allowed. We assume that agents' payoffs for being assigned to medium positions are their private information, and we consider bayesian...

We study optimal taxation in the general extensive model: the only decision of the participants in the economy is to choose between working (full time) or staying inactive. People differ in their productivities and in other features which determine their work opportunity costs. The qualitative...