This paper considers a principal-agent model with adverse selection, in which collusion among the agents is possible. We compare the optimal outcome in two cases: (i) the principal can perfectly discriminate the transfers to the agents, and (ii) the principal's power to discriminate the...

This paper considers a principal-agent model with adverse selection and limited wage discrimination. Under wage compression, an agent may have an incentive to free ride on other agents by manipulating his private information. When collusion among the agents is not possible, the principal...