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The Mortensen Rule and Efficient Coordination Unemployment

Author

Listed:
  • John Kennes

    (Auckland)

  • Benoit Julien

    (Miami)

  • Ian King

    (Auckland)

Abstract

We study the implementation of constrained-efficient allocations in labour markets where a basic coordination problem leads to an equilibrium matching function. We argue that these allocations can be achieved in equilibrium if wages are determined by ex post bidding. This holds true even in finite sized markets where the equilibrium matching function has decreasing returns to scale – where the “Hosios rule” does not apply – both with and without heterogeneity. This wage determination mechanism is similar to the one proposed by Mortensen (1982) in a different setting

Suggested Citation

  • John Kennes & Benoit Julien & Ian King, 2002. "The Mortensen Rule and Efficient Coordination Unemployment," Macroeconomics 0206001, EconWPA.
  • Handle: RePEc:wpa:wuwpma:0206001
    Note: Type of Document - pdf; pages: 27. Also posted on website: www.johnkennes.dk
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    References listed on IDEAS

    as
    1. Kultti, Klaus, 1999. "Equivalence of Auctions and Posted Prices," Games and Economic Behavior, Elsevier, vol. 27(1), pages 106-113, April.
    2. Acemoglu, Daron, 2001. "Good Jobs versus Bad Jobs," Journal of Labor Economics, University of Chicago Press, vol. 19(1), pages 1-21, January.
    3. Benoît Julien & John Kennes & Ian King, 2002. "Auctions Beat Posted Prices in a Small Market," Journal of Institutional and Theoretical Economics (JITE), Mohr Siebeck, Tübingen, vol. 158(4), pages 548-548, December.
    4. Nash, John, 1953. "Two-Person Cooperative Games," Econometrica, Econometric Society, vol. 21(1), pages 128-140, April.
    5. Kenneth Burdett & Shouyong Shi & Randall Wright, 2001. "Pricing and Matching with Frictions," Journal of Political Economy, University of Chicago Press, vol. 109(5), pages 1060-1085, October.
    6. Lars Ljungqvist & Thomas J. Sargent, 2004. "Recursive Macroeconomic Theory, 2nd Edition," MIT Press Books, The MIT Press, edition 2, volume 1, number 026212274x, March.
    7. Moen, Espen R, 1997. "Competitive Search Equilibrium," Journal of Political Economy, University of Chicago Press, vol. 105(2), pages 385-411, April.
    8. Benoit Julien & John Kennes & Ian King, 2000. "Bidding for Labor," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics, vol. 3(4), pages 619-649, October.
    9. King, Ian & Kennes, John & Julien, Benoit, 2001. "Residual Wage Disparity in Directed Search Equilibrium," Working Papers 209, Department of Economics, The University of Auckland.
    10. Daron Acemoglu & Robert Shimer, 2000. "Wage and Technology Dispersion," Review of Economic Studies, Oxford University Press, vol. 67(4), pages 585-607.
    11. Groes, Ebbe & Tranaes, Torben, 1999. "On the Efficiency of Decentralized Exchange with Resale Possibilities," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 40(2), pages 423-438, May.
    12. James D. Montgomery, 1991. "Equilibrium Wage Dispersion and Interindustry Wage Differentials," The Quarterly Journal of Economics, Oxford University Press, vol. 106(1), pages 163-179.
    13. Shi, Shouyong, 2001. "Frictional Assignment. I. Efficiency," Journal of Economic Theory, Elsevier, vol. 98(2), pages 232-260, June.
    14. Arthur J. Hosios, 1990. "On The Efficiency of Matching and Related Models of Search and Unemployment," Review of Economic Studies, Oxford University Press, vol. 57(2), pages 279-298.
    15. Moen, Espen R, 1999. "Education, Ranking, and Competition for Jobs," Journal of Labor Economics, University of Chicago Press, vol. 17(4), pages 694-723, October.
    Full references (including those not matched with items on IDEAS)

    Citations

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    Cited by:

    1. John Kennes, 2004. "Competitive Auctions: Theory and Application," CAM Working Papers 2004-17, University of Copenhagen. Department of Economics. Centre for Applied Microeconometrics.
    2. Gautier, Pieter A & Holzner, Christian, 2011. "Simultaneous Search and Network Efficiency," CEPR Discussion Papers 8522, C.E.P.R. Discussion Papers.
    3. Mortensen, Dale T., 2009. "Island matching," Journal of Economic Theory, Elsevier, vol. 144(6), pages 2336-2353, November.
    4. Masters, Adrian, 2010. "A theory of minimum wage compliance (or voluntary recognition of unions)," Labour Economics, Elsevier, vol. 17(1), pages 215-223, January.
    5. Adrian Masters, 2005. "Directed search without wage commitment: a new role for minimum wages and unions," 2005 Meeting Papers 347, Society for Economic Dynamics.
    6. Aaron Schiff & Martin Browning & John Kennes, 2005. "Lots of Heterogeneity in a Matching Model," 2005 Meeting Papers 799, Society for Economic Dynamics.
    7. Suren Basov & Ian King & Lawrence Uren, 2010. "The Employed, the Unemployed, and the Unemployable: Directed Search with Worker Heterogeneity," Department of Economics - Working Papers Series 1094, The University of Melbourne.
    8. Benoit Julien & John Kennes & Moritz Ritter, 2013. "Bidding for Clubs," Economics Working Papers 2013-19, Department of Economics and Business Economics, Aarhus University.
    9. Adrian Masters, 2005. "Directed Search without Wage Commitment and the Role of Labor Market Institutions," Discussion Papers 05-02, University at Albany, SUNY, Department of Economics.
    10. Benoît Julien & John Kennes & Ian King & Sephorah Mangin, 2009. "Directed search, unemployment and public policy," Canadian Journal of Economics, Canadian Economics Association, vol. 42(3), pages 956-983, August.
    11. Basov, Suren & King, Ian & Uren, Lawrence, 2014. "Worker heterogeneity, the job-finding rate, and technical change," European Economic Review, Elsevier, vol. 70(C), pages 159-177.
    12. Halko, Marja-Liisa & Kultti, Klaus & Niinimaki, Juha-Pekka, 2007. "Evolutionary stability of trading rules in an urn-ball matching model," Research in Economics, Elsevier, vol. 61(1), pages 11-15, March.
    13. John Kennes & Aaron Schiff, 2003. "The Value of a Reputation System," Industrial Organization 0301011, EconWPA.
    14. John Kennes & Daniel le Maire, 2013. "Competing Auctions of Skills," CAM Working Papers 2014_01, University of Copenhagen. Department of Economics. Centre for Applied Microeconometrics.
    15. Klaus Kultti, 2010. "Inefficiency caused by random matching and heterogeneity," Portuguese Economic Journal, Springer;Instituto Superior de Economia e Gestao, vol. 9(1), pages 19-28, April.

    More about this item

    Keywords

    Hosios Rule; coordination unemployment; price-posting; auctions; efficiency; directed search;

    JEL classification:

    • D43 - Microeconomics - - Market Structure, Pricing, and Design - - - Oligopoly and Other Forms of Market Imperfection
    • D44 - Microeconomics - - Market Structure, Pricing, and Design - - - Auctions
    • D45 - Microeconomics - - Market Structure, Pricing, and Design - - - Rationing; Licensing
    • D83 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Search; Learning; Information and Knowledge; Communication; Belief; Unawareness

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