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Trading with a common agent under complete information: A characterization of Nash equilibria

  • Chiesa, Gabriella
  • Denicolò, Vincenzo

We analyze an abstract model of trading where N principals submit quantity-payment schedules that describe the contracts they offer to an agent, and the agent then chooses how much to trade with every principal. This represents a special class of common agency games with complete information. We study all the subgame perfect Nash equilibria of these games, not only truthful ones, providing a complete characterization of equilibrium payoffs. In particular, we show that the equilibrium that is Pareto-dominant for the principals is not truthful when there are more than two of them. We also provide a partial characterization of equilibrium strategies.

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Article provided by Elsevier in its journal Journal of Economic Theory.

Volume (Year): 144 (2009)
Issue (Month): 1 (January)
Pages: 296-311

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Handle: RePEc:eee:jetheo:v:144:y:2009:i:1:p:296-311
Contact details of provider: Web page: http://www.elsevier.com/locate/inca/622869

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