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Oligopoly on a Salop circle with centre

Author

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  • Paul Madden
  • Mario Pezzino

Abstract

We study an oligopolistic market in which consumers located around the perimeter of a Salop circle buy either from firms around this perimeter (providing horizontally differentiated goods) or from a firm located at the centre of the circle (providing a homogeneous good). An entry-pricing game is studied. The market equilibria and social optima indicate various possible market failures, including cases in which the market is served only by perimeter firms whilst central provision would be socially optimal (in this sense, more extreme than the standard Salop excessive product differentiation). Moreover, for some parameters, the standard Salop result might be reversed.
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Suggested Citation

  • Paul Madden & Mario Pezzino, 2007. "Oligopoly on a Salop circle with centre," The School of Economics Discussion Paper Series 0707, Economics, The University of Manchester.
  • Handle: RePEc:man:sespap:0707
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    File URL: http://hummedia.manchester.ac.uk/schools/soss/economics/discussionpapers/EDP-0707.pdf
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    References listed on IDEAS

    as
    1. Bouckaert, Jan, 2000. "Monopolistic competition with a mail order business," Economics Letters, Elsevier, vol. 66(3), pages 303-310, March.
    2. Steven C. Salop, 1979. "Monopolistic Competition with Outside Goods," Bell Journal of Economics, The RAND Corporation, vol. 10(1), pages 141-156, Spring.
    3. Geoffrey Heal, 1980. "Spatial Structure in the Retail Trade: A Study in Product Differentiation with Increasing Returns," Bell Journal of Economics, The RAND Corporation, vol. 11(2), pages 565-583, Autumn.
    4. Jean Tirole, 1988. "The Theory of Industrial Organization," MIT Press Books, The MIT Press, edition 1, volume 1, number 0262200716, January.
    5. Sridhar Balasubramanian, 1998. "Mail versus Mall: A Strategic Analysis of Competition between Direct Marketers and Conventional Retailers," Marketing Science, INFORMS, vol. 17(3), pages 181-195.
    Full references (including those not matched with items on IDEAS)

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    Cited by:

    1. Gu Yiquan & Wenzel Tobias, 2012. "Price-Dependent Demand in Spatial Models," The B.E. Journal of Economic Analysis & Policy, De Gruyter, vol. 12(1), pages 1-26, March.
    2. Kopányi, Dávid, 2017. "The coexistence of stable equilibria under least squares learning," Journal of Economic Behavior & Organization, Elsevier, vol. 141(C), pages 277-300.
    3. Firgo, Matthias & Pennerstorfer, Dieter & Weiss, Christoph R., 2015. "Centrality and pricing in spatially differentiated markets: The case of gasoline," International Journal of Industrial Organization, Elsevier, vol. 40(C), pages 81-90.
    4. Birg, Laura, 2015. "Pharmaceutical regulation, mandatory substitution, and generic competition," Center for European, Governance and Economic Development Research Discussion Papers 241, University of Goettingen, Department of Economics.
    5. repec:bla:jindec:v:65:y:2017:i:2:p:439-468 is not listed on IDEAS
    6. Fabio Lamantia & Mario Pezzino, 2016. "R&D Spillovers on a Salop Circle," Managerial and Decision Economics, John Wiley & Sons, Ltd., vol. 37(7), pages 485-494, October.
    7. Urmann, Oliver, 2012. "Insurance in vertically differentiated repair markets," Economics Letters, Elsevier, vol. 116(1), pages 121-123.
    8. Laura Levaggi & Rosella Levaggi, 2017. "Oligopolistic competition for the provision of hospital care," Working papers 57, Società Italiana di Economia Pubblica.

    More about this item

    JEL classification:

    • D11 - Microeconomics - - Household Behavior - - - Consumer Economics: Theory
    • D43 - Microeconomics - - Market Structure, Pricing, and Design - - - Oligopoly and Other Forms of Market Imperfection
    • L13 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Oligopoly and Other Imperfect Markets
    • L81 - Industrial Organization - - Industry Studies: Services - - - Retail and Wholesale Trade; e-Commerce

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