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Delegation with Incomplete and Renegotiable Contracts

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  • Levent Koçkesen

    () (Koç University)

  • Emanuele Gerratana

Abstract

It is well known that delegating the play of a game to an agent via incentive contractsmay serveas a commitment device and hence provide a strategic advantage. Previous literature has shown that any Nash equilibrium outcome of an extensive-form principals-only game can be supported as a sequential equilibrium outcome of the induced delegation game when contracts are unobservable and non-renegotiable. In this paper we characterize equilibriumoutcomes of delegation games with unobservable and incomplete contractswith andwithout renegotiation opportunities under the assumption that the principal cannot observe every history in the game when played by her agent. We show that incompleteness of the contracts restricts the set of outcomes to a subset of Nash equilibrium outcomes and renegotiation imposes further constraints. Yet, there is a large class of games in which non-subgame perfect equilibrium outcomes of the principals-only game can be supported even with renegotiable contracts, and hence delegation still has a bite.

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Bibliographic Info

Paper provided by Koc University-TUSIAD Economic Research Forum in its series Koç University-TUSIAD Economic Research Forum Working Papers with number 0803..

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Length: 35 pages.
Date of creation: Apr 2008
Date of revision:
Handle: RePEc:koc:wpaper:0803.

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Keywords: Strategic Delegation; Incomplete Contracts; Renegotiation.;

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  1. Paul Beaudry & Michel Poitevin, 1995. "Contract Renegotiation: A Simple Framework and Implications for Organization Theory," Canadian Journal of Economics, Canadian Economics Association, vol. 28(2), pages 302-35, May.
  2. Polo, Michele & Tedeschi, Piero, 2000. "Delegation games and side-contracting," Research in Economics, Elsevier, vol. 54(1), pages 101-116, March.
  3. Chaim Fershtman & Kenneth L Judd, 1984. "Equilibrium Incentives in Oligopoly," Discussion Papers 642, Northwestern University, Center for Mathematical Studies in Economics and Management Science.
  4. Gatsios, Konstantine & Karp, Larry, 1989. "Delegation Games in Customs Unions," CEPR Discussion Papers 337, C.E.P.R. Discussion Papers.
  5. Fershtman, Chaim & Judd, Kenneth L & Kalai, Ehud, 1991. "Observable Contracts: Strategic Delegation and Cooperation," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 32(3), pages 551-59, August.
  6. Michael L. Katz, 1991. "Game-Playing Agents: Unobservable Contracts as Precommitments," RAND Journal of Economics, The RAND Corporation, vol. 22(3), pages 307-328, Autumn.
  7. Michael L. Katz, 2006. "Observable Contracts as Commitments: Interdependent Contracts and Moral Hazard," Journal of Economics & Management Strategy, Wiley Blackwell, vol. 15(3), pages 685-706, 09.
  8. Dewatripont, Mathias, 1988. "Commitment through Renegotiation-Proof Contracts with Third Parties," Review of Economic Studies, Wiley Blackwell, vol. 55(3), pages 377-89, July.
  9. Cho, In-Koo & Kreps, David M, 1987. "Signaling Games and Stable Equilibria," The Quarterly Journal of Economics, MIT Press, vol. 102(2), pages 179-221, May.
  10. Persson, Torsten & Tabellini, Guido, 1993. "Designing institutions for monetary stability," Carnegie-Rochester Conference Series on Public Policy, Elsevier, vol. 39(1), pages 53-84, December.
  11. Levent Kockese & Efe A. Ok, 2002. "Strategic delegation by unobservable incentive contracts," Discussion Papers 0102-26, Columbia University, Department of Economics.
  12. Caillaud Bernard & Jullien Bruno & Picard Pierre, 1991. "Competing vertical structures : precommitment and renegotiation," CEPREMAP Working Papers (Couverture Orange) 9125, CEPREMAP.
  13. Bensaid, B. & Gary-Bobo, R., 1993. "On the Commitment Value of Contracts Under Renegotiation Constraints," Papers 9302, Paris X - Nanterre, U.F.R. de Sc. Ec. Gest. Maths Infor..
  14. Bensaid, Bernard & Gary-Bobo, Robert J, 1993. "Commitment Value of Contracts under Renegotiation Constraints," Econometrica, Econometric Society, vol. 61(6), pages 1423-29, November.
  15. Levent Koçkesen, 2007. "Unobservable Contracts as Precommitments," Economic Theory, Springer, vol. 31(3), pages 539-552, June.
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