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Horizontally Differentiated Market Makers

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  • Simon Loertscher

Abstract

I analyze a model of competition between two market makers who are located at the opposite ends of the Hotelling line, both of which are also occupied by a search market. Buyers and sellers are uniformly distributed between the two market places, yet can only trade at one of them. In equilibrium, market makers net a positive profit and trade with buyers and sellers close to them, while buyers and sellers further away participate in search markets. Interestingly, a duopolistic market maker nets a larger profit than a monopoly because search markets make the quantities market makers trade strategic complements.

Suggested Citation

  • Simon Loertscher, 2007. "Horizontally Differentiated Market Makers," Journal of Economics & Management Strategy, Wiley Blackwell, vol. 16(4), pages 793-825, December.
    • Handle: RePEc:bla:jemstr:v:16:y:2007:i:4:p:793-825
    DOI: 10.1111/j.1530-9134.2007.00158.x
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    References listed on IDEAS

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    Cited by:

    1. Galeotti, Andrea & Moraga-González, José Luis, 2009. "Platform intermediation in a market for differentiated products," European Economic Review, Elsevier, vol. 53(4), pages 417-428, May.
    2. Watanabe Makoto, 2020. "Middlemen: A Directed Search Equilibrium Approach," The B.E. Journal of Macroeconomics, De Gruyter, vol. 20(2), pages 1-37, June.
    3. Simon Loertscher, 2008. "Market Making Oligopoly," Journal of Industrial Economics, Wiley Blackwell, vol. 56(2), pages 263-289, June.
    4. Loertscher, Simon & Niedermayer, Andras, 2020. "Entry-deterring agency," Games and Economic Behavior, Elsevier, vol. 119(C), pages 172-188.
    5. Galeotti, Andrea & Moraga-González, José Luis, 2009. "Platform intermediation in a market for differentiated products," European Economic Review, Elsevier, vol. 53(4), pages 417-428, May.
    6. Randall Wright & Yuet‐Yee Wong, 2014. "Buyers, Sellers, And Middlemen: Variations On Search‐Theoretic Themes," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 55(2), pages 375-397, May.
    7. Loertscher, Simon & Marx, Leslie M., 2017. "Club good intermediaries," International Journal of Industrial Organization, Elsevier, vol. 50(C), pages 430-459.
    8. Watanabe, Makoto, 2010. "A model of merchants," Journal of Economic Theory, Elsevier, vol. 145(5), pages 1865-1889, September.

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    More about this item

    JEL classification:

    • C72 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Noncooperative Games
    • D41 - Microeconomics - - Market Structure, Pricing, and Design - - - Perfect Competition
    • 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

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