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On the Segmentation of Markets

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  • Serene Tan
  • Nicolas L Jacquet

Abstract

This paper endogenizes the market structure of an economy with heterogeneous agents who want to form bilateral matches in the presence of search frictions and when utility is nontransferable. There exist infinitely many marketplaces, and each agent chooses which marketplace to be in: agents get to choose not only whom to match with but also whom they meet with. Perfect segmentation is obtained in equilibrium, where agents match with the first person they meet. All equilibria have the same matching pattern. Although perfect assortative matching is not obtained in equilibrium, the degree of assortativeness is greater than in standard models. (c) 2007 by The University of Chicago. All rights reserved.
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Suggested Citation

  • Serene Tan & Nicolas L Jacquet, 2005. "On the Segmentation of Markets," 2005 Meeting Papers 456, Society for Economic Dynamics.
  • Handle: RePEc:red:sed005:456
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    File URL: http://www.econ.upenn.edu/~njacquet/
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    References listed on IDEAS

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    1. Eeckhout, Jan, 1999. "Bilateral Search and Vertical Heterogeneity," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 40(4), pages 869-887, November.
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    4. Robert Shimer & Lones Smith, 2000. "Assortative Matching and Search," Econometrica, Econometric Society, vol. 68(2), pages 343-370, March.
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    6. Gautam Bose, 2003. "Endogenous market segmentation with heterogeneous agents," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 22(2), pages 457-467, September.
    7. Coen N. Teulings & Pieter A. Gautier, 2004. "The Right Man for the Job," Review of Economic Studies, Oxford University Press, vol. 71(2), pages 553-580.
    8. Kevin Lang & Michael Manove & William T. Dickens, 2005. "Racial Discrimination in Labor Markets with Posted Wage Offers," American Economic Review, American Economic Association, vol. 95(4), pages 1327-1340, September.
    9. Akihiko Matsui & Takashi Shimizu, 2005. "A Theory Of Money And Marketplaces," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 46(1), pages 35-59, February.
    10. Uren Lawrence, 2006. "The Allocation of Labor and Endogenous Search Decisions," The B.E. Journal of Macroeconomics, De Gruyter, vol. 6(1), pages 1-31, June.
    11. Davidson, Carl & Martin, Lawrence & Matusz, Steven, 1988. "The Structure of Simple General Equilibrium Models with Frictional Unemployment," Journal of Political Economy, University of Chicago Press, vol. 96(6), pages 1267-1293, December.
    12. Hosios, Arthur J, 1990. "Factor Market Search and the Structure of Simple General Equilibrium Models," Journal of Political Economy, University of Chicago Press, vol. 98(2), pages 325-355, April.
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    Cited by:

    1. Jeremy Greenwood & Philipp Kircher & Cezar Santos & Michèle Tertilt, 2013. "An Equilibrium Model of the African HIV/AIDS Epidemic," NBER Working Papers 18953, National Bureau of Economic Research, Inc.
    2. Matt Elliott & Francesco Nava, 2015. "Decentralized Bargaining: Efficiency and the Core," STICERD - Theoretical Economics Paper Series /2015/567, Suntory and Toyota International Centres for Economics and Related Disciplines, LSE.
    3. Poeschel, Friedrich, 2012. "Assortative matching through signals," Annual Conference 2012 (Goettingen): New Approaches and Challenges for the Labor Market of the 21st Century 62061, Verein für Socialpolitik / German Economic Association.
    4. Guillaume Rocheteau & Pierre‐Olivier Weill, 2011. "Liquidity in Frictional Asset Markets," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 43, pages 261-282, October.
    5. Masami Imai, 2008. "Crowding-Out Effects of a Government-Owned Depository Institution: Evidence from a Natural Experiment in Japan," Wesleyan Economics Working Papers 2008-003, Wesleyan University, Department of Economics.
    6. Andrey Fradkin, 2012. "Do Online Marketplaces Become More Efficient Over Time?," Working Papers 12-24, NET Institute.
    7. Michèle Belot & Marco Francesconi, 2013. "Dating Preferences and Meeting Opportunities in Mate Choice Decisions," Journal of Human Resources, University of Wisconsin Press, vol. 48(2), pages 474-508.
    8. Gautier, Pieter A. & Svarer, Michael & Teulings, Coen N., 2010. "Marriage and the city: Search frictions and sorting of singles," Journal of Urban Economics, Elsevier, vol. 67(2), pages 206-218, March.

    More about this item

    Keywords

    Segmentation; Search Frictions.;

    JEL classification:

    • D83 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Search; Learning; Information and Knowledge; Communication; Belief; Unawareness
    • C78 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Bargaining Theory; Matching Theory

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