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Publicado en: Artículo en revista académica

If we Confess our Sins

Francisco Silva.

International Economic Review, forthcoming

Abstract: I consider a scenario where a social planner suspects that a crime has been committed. There are many suspects and at most one of them is guilty. I characterize the optimal mechanism for the social planner under different assumptions with respect to her commitment power. I find that the optimal mechanism is a “confession inducing mechanism”: before an investigation, each agent can confess to being guilty in exchange for a reduced punishment. I find that these mechanisms do better than the traditional trial mechanism because of information externalities: when an agent credibly confesses his guilt, he reveals everyone else’s innocence.

JEL classification: D82, K14
Keywords: leniency, criminal justice system, mechanism design, commitment power


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