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Oligopoly Equilibria When Firms Have Local Knowledge of Demand

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  • Bonanno, Giacomo

Abstract

This paper investigates the existence of oligopoly equilibria when firms arrive, through local price experiments, at a correct estimation of their demand curves in a neighborhood of a given statu s quo. The author provides sufficient conditions for the existence of a local Nash equilibrium, defined as a point where each firm is at a local maximum of its profit function, given the prices charged by th e other firms. He also provides two examples, one of a duopoly with l ocal Nash equilibria but no Nash equilibria and the other of a duopol y with no local Nash equilibria. Copyright 1988 by Economics Department of the University of Pennsylvania and the Osaka University Institute of Social and Economic Research Association.

Suggested Citation

  • Bonanno, Giacomo, 1988. "Oligopoly Equilibria When Firms Have Local Knowledge of Demand," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 29(1), pages 45-55, February.
    • Handle: RePEc:ier:iecrev:v:29:y:1988:i:1:p:45-55
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    Cited by:

    1. Tramontana, Fabio & Gardini, Laura & Puu, Tönu, 2009. "Cournot duopoly when the competitors operate multiple production plants," Journal of Economic Dynamics and Control, Elsevier, vol. 33(1), pages 250-265, January.
    2. Naimzada, Ahmad & Ricchiuti, Giorgio, 2011. "Monopoly with local knowledge of demand function," Economic Modelling, Elsevier, vol. 28(1), pages 299-307.
    3. Troy Tassier, 2013. "Handbook of Research on Complexity, by J. Barkley Rosser, Jr. and Edward Elgar," Eastern Economic Journal, Palgrave Macmillan;Eastern Economic Association, vol. 39(1), pages 132-133.
    4. Kopányi, Dávid, 2017. "The coexistence of stable equilibria under least squares learning," Journal of Economic Behavior & Organization, Elsevier, vol. 141(C), pages 277-300.
    5. Guillaume Cheikbossian, 2016. "The political economy of (De)centralization with complementary public goods," Social Choice and Welfare, Springer;The Society for Social Choice and Welfare, vol. 47(2), pages 315-348, August.
    6. Irmen, Andreas & Thisse, Jacques-Francois, 1998. "Competition in Multi-characteristics Spaces: Hotelling Was Almost Right," Journal of Economic Theory, Elsevier, vol. 78(1), pages 76-102, January.
    7. Ottaviano, Gianmarco & Thisse, Jacques-François, 1999. "Monopolistic Competition, Multiproduct Firms and Optimum Product Diversity," CEPR Discussion Papers 2151, C.E.P.R. Discussion Papers.
    8. Furth, Dave, 2009. "Anything goes with heterogeneous, but not always with homogeneous oligopoly," Journal of Economic Dynamics and Control, Elsevier, vol. 33(1), pages 183-203, January.
    9. Chen, Jianxin & Zhang, Tonghua & Zhou, Yongwu, 2020. "Dynamics of a risk-averse newsvendor model with continuous-time delay in supply chain financing," Mathematics and Computers in Simulation (MATCOM), Elsevier, vol. 169(C), pages 133-148.
    10. Anufriev, Mikhail & Kopányi, Dávid & Tuinstra, Jan, 2013. "Learning cycles in Bertrand competition with differentiated commodities and competing learning rules," Journal of Economic Dynamics and Control, Elsevier, vol. 37(12), pages 2562-2581.
    11. Hubert Stahn, 2000. "Quelques réflexions sur la formation stratégique des prix dans un contexte d'équilibre général," Cahiers d'Économie Politique, Programme National Persée, vol. 37(1), pages 225-255.
    12. Michael Zierhut, 2021. "Generic regularity of differentiated product oligopolies," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 71(1), pages 341-374, February.
    13. Bayindir-Upmann, Thorsten & Ziad, Abderrahmanne, 2005. "Existence of equilibria in a basic tax-competition model," Regional Science and Urban Economics, Elsevier, vol. 35(1), pages 1-22, January.
    14. Tuinstra, J., 2000. "Price adjustment in a model of monopolistic competition," CeNDEF Working Papers 00-13, Universiteit van Amsterdam, Center for Nonlinear Dynamics in Economics and Finance.
    15. Furth, D., 2007. "Anything goes with heterogeneous, but not with homogeneous oligopoly," CeNDEF Working Papers 07-12, Universiteit van Amsterdam, Center for Nonlinear Dynamics in Economics and Finance.
    16. Naimzada, Ahmad K. & Sbragia, Lucia, 2006. "Oligopoly games with nonlinear demand and cost functions: Two boundedly rational adjustment processes," Chaos, Solitons & Fractals, Elsevier, vol. 29(3), pages 707-722.
    17. Tom Holden, 2012. "Medium-frequency cycles and the remarkable near trend-stationarity of output," School of Economics Discussion Papers 1412, School of Economics, University of Surrey.
    18. Antonio Doria, Francisco, 2011. "J.B. Rosser Jr. , Handbook of Research on Complexity, Edward Elgar, Cheltenham, UK--Northampton, MA, USA (2009) 436 + viii pp., index, ISBN 978 1 84542 089 5 (cased)," Journal of Economic Behavior & Organization, Elsevier, vol. 78(1-2), pages 196-204, April.

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