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Market Power and Efficiency in a Search Model

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Author Info
Galenianos, Manolis
Kircher, Philipp
Virag, Gabor

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Abstract

We build a theoretical model to study the welfare effects and resulting policy implications of firms’ market power in a frictional labor market. Our environment has two main characteristics: wages play a role in allocating labor across firms and there is a finite number of agents. We find that the decentralized equilibrium is inefficient and that the firms’ market power results in the misallocation of workers from the high to the low-productivity firms. A minimum wage forces the low-productivity firms to increase their wage, leading them to hire even more often thereby exacerbating the inefficiencies. Moderate unemployment benefits can increase welfare because they limit firms’ market power by improving the workers’ outside option.

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File URL: http://mpra.ub.uni-muenchen.de/17093/
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Publisher Info
Paper provided by University Library of Munich, Germany in its series MPRA Paper with number 17093.

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Date of creation: 2009
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Handle: RePEc:pra:mprapa:17093

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Related research
Keywords: directed search; heterogeneity; inefficient allocation; market power;

Find related papers by JEL classification:
J08 - Labor and Demographic Economics - - General - - - Labor Economics Policies
D43 - Microeconomics - - Market Structure and Pricing - - - Oligopoly and Other Forms of Market Imperfection

This paper has been announced in the following NEP Reports:

References listed on IDEAS
Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
  1. 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. [Downloadable!] (restricted)
  2. Marja-Liisa Halko & Klaus Kultti & and Juha Virrankoski, 2008. "Search Direction And Wage Dispersion," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 49(1), pages 111-134, 02. [Downloadable!] (restricted)
  3. Peters, Michael, 2000. "Limits of Exact Equilibria for Capacity Constrained Sellers with Costly Search," Journal of Economic Theory, Elsevier, vol. 95(2), pages 139-168, December. [Downloadable!] (restricted)
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  4. Montgomery, James D, 1991. "Equilibrium Wage Dispersion and Interindustry Wage Differentials," The Quarterly Journal of Economics, MIT Press, vol. 106(1), pages 163-79, February. [Downloadable!] (restricted)
  5. V. Bhaskar & Alan Manning & Ted To, 2002. "Oligopsony and Monopsonistic Competition in Labor Markets," Journal of Economic Perspectives, American Economic Association, vol. 16(2), pages 155-174, Spring. [Downloadable!] (restricted)
  6. Daron Acemoglu & Robert Shimer, 1999. "Efficient Unemployment Insurance," Journal of Political Economy, University of Chicago Press, vol. 107(5), pages 893-928, October. [Downloadable!] (restricted)
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  7. Coles, Melvyn G. & Eeckhout, Jan, 2003. "Indeterminacy and directed search," Journal of Economic Theory, Elsevier, vol. 111(2), pages 265-276, August. [Downloadable!] (restricted)
  8. Melvyn G. Coles & Jan Eeckhout, 2000. "Heterogeneity as a Coordination Device," Economics Working Papers 510, Department of Economics and Business, Universitat Pompeu Fabra. [Downloadable!]
  9. Peters, Michael, 1991. "Ex Ante Price Offers in Matching Games Non-steady States," Econometrica, Econometric Society, vol. 59(5), pages 1425-54, September. [Downloadable!] (restricted)
  10. Moen, Espen R, 1997. "Competitive Search Equilibrium," Journal of Political Economy, University of Chicago Press, vol. 105(2), pages 385-411, April.
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  11. Galenianos, Manolis & Kircher, Philipp, 2009. "Directed search with multiple job applications," Journal of Economic Theory, Elsevier, vol. 144(2), pages 445-471, March. [Downloadable!] (restricted)
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  12. James Albrecht & Pieter A. Gautier & Susan Vroman, 2006. "Equilibrium Directed Search with Multiple Applications," Review of Economic Studies, Blackwell Publishing, vol. 73(4), pages 869-891, October. [Downloadable!] (restricted)
    Other versions:
  13. Robert Shimer, 2005. "The Assignment of Workers to Jobs in an Economy with Coordination Frictions," Journal of Political Economy, University of Chicago Press, vol. 113(5), pages 996-1025, October.
    Other versions:
  14. Manolis Galenianos & Philipp Kircher, 2007. "Heterogeneous Firms in a Finite Directed Search Economy," PIER Working Paper Archive 07-003, Penn Institute for Economic Research, Department of Economics, University of Pennsylvania. [Downloadable!]
  15. Philipp Kircher, 2008. "Efficiency of Simultaneous Search," PIER Working Paper Archive 08-004, Penn Institute for Economic Research, Department of Economics, University of Pennsylvania. [Downloadable!]
  16. Kaas, Leo & Madden, Paul, 2008. "Minimum Wages and Welfare in a Hotelling Duopsony," IZA Discussion Papers 3434, Institute for the Study of Labor (IZA). [Downloadable!]
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  17. Shi, Shouyong, 2001. "Frictional Assignment. I. Efficiency," Journal of Economic Theory, Elsevier, vol. 98(2), pages 232-260, June. [Downloadable!] (restricted)
  18. Manning, Alan, 2004. "Monopsony and the efficiency of labour market interventions," Labour Economics, Elsevier, vol. 11(2), pages 145-163, April. [Downloadable!] (restricted)
    Other versions:
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This page was last updated on 2009-11-29.

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