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Equilibrium and Renegotiation in Delegation Games

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  • Michele Polo
  • Piero Tedeschi

Abstract

We propose a general formal structure for symmetric information delegation games that encompasses many existing economic applications in the fields of oligopoly theory, the theory of the firm, strategic trade policy and international political economy. We prove that all individually rational allocations are implementable in delegation games with non separable utility. Secondly, we show that contract renegotiation and non observable contracts have similar effects only in particular cases. We prove that all the equilibria obtained when renegotiation is excluded are implementable as renegotiation proof equilibria, provided that the side transfer technology implies a dead-weight loss increasing in the size of the transfer.

Suggested Citation

  • Michele Polo & Piero Tedeschi, "undated". "Equilibrium and Renegotiation in Delegation Games," Working Papers 116, IGIER (Innocenzo Gasparini Institute for Economic Research), Bocconi University.
  • Handle: RePEc:igi:igierp:116
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    References listed on IDEAS

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    1. 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 551-559, August.
    2. Barbara J. Spencer & James A. Brander, 1983. "International R & D Rivalry and Industrial Strategy," Review of Economic Studies, Oxford University Press, vol. 50(4), pages 707-722.
    3. Jonathan Eaton & Gene M. Grossman, 1986. "Optimal Trade and Industrial Policy Under Oligopoly," The Quarterly Journal of Economics, Oxford University Press, vol. 101(2), pages 383-406.
    4. Torsten Persson & Guido Tabellini, 1992. "The Politics of 1992: Fiscal Policy and European Integration," Review of Economic Studies, Oxford University Press, vol. 59(4), pages 689-701.
    5. Michael L. Katz, 1991. "Game-Playing Agents: Unobservable Contracts as Precommitments," RAND Journal of Economics, The RAND Corporation, pages 307-328.
    6. Vickers, John, 1985. "Delegation and the Theory of the Firm," Economic Journal, Royal Economic Society, vol. 95(380a), pages 138-147, Supplemen.
    7. Fershtman, Chaim & Judd, Kenneth L, 1987. "Equilibrium Incentives in Oligopoly," American Economic Review, American Economic Association, vol. 77(5), pages 927-940, December.
    8. Laussel, Didier, 1992. "Strategic Commercial Policy Revisited: A Supply-Function Equilibrium Model," American Economic Review, American Economic Association, pages 84-99.
    9. Brander, James A. & Spencer, Barbara J., 1985. "Export subsidies and international market share rivalry," Journal of International Economics, Elsevier, pages 83-100.
    10. Klemperer, Paul D & Meyer, Margaret A, 1989. "Supply Function Equilibria in Oligopoly under Uncertainty," Econometrica, Econometric Society, vol. 57(6), pages 1243-1277, November.
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    Cited by:

    1. Giacinta Cestone, 1999. "Corporate Financing and Product Market Competition: An Overview," CSEF Working Papers 18, Centre for Studies in Economics and Finance (CSEF), University of Naples, Italy.

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