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Oligopoly on a Salop circle with centre

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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," 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

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    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.
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    4. Jean Tirole, 1988. "The Theory of Industrial Organization," MIT Press Books, The MIT Press, edition 1, volume 1, number 0262200716, December.
    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.
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    Cited by:

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    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, 2019. "Substitution Policy and Generic Competition," University of Göttingen Working Papers in Economics 241, University of Goettingen, Department of Economics, revised 2019.
    5. Lau, C. Oscar, 2022. "Travel Circle: A Model of Supply Chains," MPRA Paper 115291, University Library of Munich, Germany.
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    10. Kinshuk Jerath & S. Sajeesh & Z. John Zhang, 2016. "A Model of Unorganized and Organized Retailing in Emerging Economies," Marketing Science, INFORMS, vol. 35(5), pages 756-778, September.
    11. Gremm, Cornelia & Bälz, David & Corbo, Chris & Mitusch, Kay, 2019. "Intermodal competition between intercity buses and trains: A theoretical model," Working Paper Series in Economics 135, Karlsruhe Institute of Technology (KIT), Department of Economics and Management.
    12. Han, Haipeng & Lien, Donald & Lien, Jaimie W. & Zheng, Jie, 2022. "Online or face-to-face? Competition among MOOC and regular education providers," International Review of Economics & Finance, Elsevier, vol. 80(C), pages 857-881.
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    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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