Abstract Using a game-theoretic model of criminal procedure, we investigate relative merits and demerits of discretionary and mandatory prosecution. The game illustrates a prosecutor's dilemma associated with his two tasks: evidence production and case screening. Discretionary prosecution makes...

We consider mechanism design in which message sets are restricted owing to communication costs, preventing full revelation of information. A principal contracts with multiple agents each supplying a one-dimensional good at a privately known cost. We characterize optimal mechanisms subject to...

In a one-principal two-agent model with adverse selection and collusion among agents, we show that delegating to one agent the right to subcontract with the other agent always earns lower profit for the principal compared with centralized contracting. Delegation to an intermediary is also not in...

We study a competitive theory of middlemen with brand-name reputations necessary to overcome product quality moral hazard problems. Agents with heterogeneous abilities sort into different sectors and occupations. Middleman margins do not equalize across sectors if production of different goods...