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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.

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Bibliographic Info

Article provided by Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association in its journal International Economic Review.

Volume (Year): 29 (1988)
Issue (Month): 1 (February)
Pages: 45-55

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Handle: RePEc:ier:iecrev:v:29:y:1988:i:1:p:45-55

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Cited by:
  1. Fabio Tramontana & Laura Gardini & Tönu Puu, 2008. "Cournot Duopoly when the Competitors Operate Multiple Production Plants," Working Papers 0809, University of Urbino Carlo Bo, Department of Economics, Society & Politics - Scientific Committee - L. Stefanini & G. Travaglini, revised 2008.
  2. Ottaviano, G.I.P. & Thisse, J.-F., 1999. "Monopolistic Competition, Multiproduct Firms and Optimum Product Diversity," Economics Working Papers eco99/31, European University Institute.
  3. Irmen, A. & Thisse, J.-F., . "Competition in multi-characteristics spaces: Hotelling was almost right," CORE Discussion Papers RP -1305, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
  4. Mikhail Anufriev & Dávid Kopányiz & Jan Tuinstra, 2013. "Learning Cycles in Bertrand Competition with Differentiated Commodities and Competing Learning Rules," Working Paper Series 8, Economics Discipline Group, UTS Business School, University of Technology, Sydney.
  5. 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.
  6. 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.
  7. 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.
  8. Naimzada, Ahmad & Ricchiuti, Giorgio, 2011. "Monopoly with local knowledge of demand function," Economic Modelling, Elsevier, vol. 28(1), pages 299-307.
  9. 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.

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