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Natural Oligopolies: A Vertical Differentiation Model

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Author Info
Lahmandi-Ayed, Rim

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Abstract

This article contains a more complete characterization of conditions under which vertically differentiated markets are or are not natural oligopolies than has been found previously in the literature. Specifically, previous results on markets in which firms have cost functions with constant returns are incomplete; these results are expanded. Moreover, results are provided for markets with firms having increasing or decreasing marginal cost functions. Copyright 2000 by Economics Department of the University of Pennsylvania and the Osaka University Institute of Social and Economic Research Association.

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Publisher 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): 41 (2000)
Issue (Month): 4 (November)
Pages: 971-87
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Handle: RePEc:ier:iecrev:v:41:y:2000:i:4:p:971-87

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  1. Rim Lahmandi-Ayed, 2007. "Finiteness property with vertical and horizontal differentiation: does it really matter?," Economic Theory, Springer, vol. 33(3), pages 531-548, December. [Downloadable!] (restricted)
  2. repec:bep:thetop:v:6:y:2006:i:1:p:1282-1282 is not listed on IDEAS
  3. Jean-Marc Bonnisseau & Hend Ghazzai, 2005. "Monopole, stratégies multiproduit et incitation à la recherche et développement," Cahiers de la Maison des Sciences Economiques b05025, Université Panthéon-Sorbonne (Paris 1). [Downloadable!]
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  4. Jean-Marc Bonnisseau & Rim Lahmandi-Ayed, 2004. "Vertical differentiation with non-uniform consumers¡ distribution," Cahiers de la Maison des Sciences Economiques b04114, Université Panthéon-Sorbonne (Paris 1). [Downloadable!]
    Other versions:
  5. Gregory Amacher & Erkki Koskela & Markku Ollikainen, 2003. "Environmental Quality Competition and Eco-labeling," Discussion Papers 848, The Research Institute of the Finnish Economy. [Downloadable!]
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This page was last updated on 2009-11-21.

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