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SALVATORE MODICA

Damned If You Do and Damned If You Don’t: Two Masters

  • Autori: Rohan, D.; David, K.; Salvatore, M.
  • Anno di pubblicazione: 2018
  • Tipologia: Articolo in rivista (Articolo in rivista)
  • OA Link: http://hdl.handle.net/10447/265063

Abstract

We study common agency problems in which principals (groups) make costly commit- ments to incentives that are conditioned on imperfect signals of the agent’s action. Our framework allows for incentives to be either rewards or punishments and an equilibrium al- ways exists. For our canonical example with two principals we obtain a unique equilibrium, which typically involves randomization by both principals. Greater similarity between prin- cipals leads to more aggressive competition. The principals weakly prefer punishment to rewards, sometimes strictly. With rewards an agent voluntarily joins both groups; with pun- ishment it depends on whether severe punishments are feasible and cheap for the principals. We study whether introducing an attractive compromise reduces competition between prin- cipals. Our framework of imperfect monitoring offers a natural perturbation of the standard common agency model, which results in sharper equilibrium predictions. The limit equilib- rium prediction provides support to both truthful equilibria and the competing notion of natural equilibria, which unlike the former may be inefficient.