On the Segmentation of Markets
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 non-transferable. We depart from standard matching models where all agents are assumed to be in a unique meeting place by assuming the existence of infinitely many meeting places and allowing each agent to choose which meeting place to be in. The market is thus allowed to be segmented into dierent meeting places, and agents not only get to choose who to match with, but also who they meet with. We show that in equilibrium all market structures feature perfect segmentation where agents match with the rst person they meet. All these market structures have the same matching pattern, implying that the value of search to each agent is the same. Although perfect assortative matching cannot be obtained in equilibrium, the degree of assortativeness is nevertheless greater than in standard models.
|Date of creation:||Jan 2007|
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97-2a, Massachusetts Institute of Technology (MIT), Department of Economics.
- Kevin Lang & Michael Manove & William T. Dickens, 2005.
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American Economic Review,
American Economic Association, vol. 95(4), pages 1327-1340, September.
- Kevin Lang & Michael Manove & William T. Dickens, 2005. "Racial Discrimination in Labor Markets with Posted Wage Offers," Boston University - Department of Economics - The Institute for Economic Development Working Papers Series dp-145, Boston University - Department of Economics.
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- Mortensen, Dale T & Pissarides, Christopher A, 1999. "Unemployment Responses to 'Skill-Biased' Technology Shocks: The Role of Labour Market Policy," Economic Journal, Royal Economic Society, vol. 109(455), pages 242-265, April.
- 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.
- Damiano, Ettore & Li, Hao, 2005.
"Price Discrimination and Efficient Matching,"
Microeconomics.ca working papers
damiano-05-03-21-12-21-58, Vancouver School of Economics, revised 22 Mar 2005.
- 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.
- 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, 02.
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