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Market Power and Efficiency in a Search Model

Listed author(s):
  • Galenianos, Manolis
  • Kircher, Philipp
  • Virag, Gabor

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: https://mpra.ub.uni-muenchen.de/17093/1/MPRA_paper_17093.pdf
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Paper provided by University Library of Munich, Germany in its series MPRA Paper with number 17093.

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Date of creation: 2009
Handle: RePEc:pra:mprapa:17093
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  1. Albrecht, James & Gautier, Pieter A. & Vroman, Susan, 2003. "Equilibrium Directed Search with Multiple Applications," IZA Discussion Papers 719, Institute for the Study of Labor (IZA).
  2. David Card & Alan B. Krueger, 1993. "Minimum Wages and Employment: A Case Study of the Fast Food Industry in New Jersey and Pennsylvania," Working Papers 694, Princeton University, Department of Economics, Industrial Relations Section..
  3. Moen, E.R., 1995. "Competitive Search Equilibrium," Memorandum 37/1995, Oslo University, Department of Economics.
  4. Manolis Galenianos & Philipp Kircher, 2012. "On the game-theoretic foundations of competitive search equilibrium," LSE Research Online Documents on Economics 29707, London School of Economics and Political Science, LSE Library.
  5. Philipp Kircher, 2008. "Efficiency of Simultaneous Search," PIER Working Paper Archive 08-004, Penn Institute for Economic Research, Department of Economics, University of Pennsylvania.
  6. Coles, Melvyn G. & Eeckhout, Jan, 2003. "Indeterminacy and directed search," Journal of Economic Theory, Elsevier, vol. 111(2), pages 265-276, August.
  7. Manolis Galenianos & Philipp Kircher, 2005. "Directed Search with Multiple Job Applications," PIER Working Paper Archive 05-022, Penn Institute for Economic Research, Department of Economics, University of Pennsylvania.
  8. Robert Shimer & Iván Werning, 2005. "Liquidity and insurance for the unemployed," Staff Report 366, Federal Reserve Bank of Minneapolis.
  9. Daron Acemoglu & Robert Shimer, 1999. "Efficient Unemployment Insurance," Journal of Political Economy, University of Chicago Press, vol. 107(5), pages 893-928, October.
  10. 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.
  11. Shi, Shouyong, 2001. "Frictional Assignment. I. Efficiency," Journal of Economic Theory, Elsevier, vol. 98(2), pages 232-260, June.
  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. Marimon, Ramon & Zilibotti, Fabrizio, 1998. "Unemployment vs. Mismatch of Talents: Reconsidering Unemployment Benefits," Seminar Papers 661, Stockholm University, Institute for International Economic Studies.
  14. Robert Shimer, 2001. "The Assignment of Workers to Jobs In an Economy with Coordination Frictions," NBER Working Papers 8501, National Bureau of Economic Research, Inc.
  15. Alan Manning, 2001. "Monopsony and the efficiency of labour market interventions," LSE Research Online Documents on Economics 20097, London School of Economics and Political Science, LSE Library.
  16. 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.
  17. 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.
  18. Acemoglu, Daron, 2001. "Good Jobs versus Bad Jobs," Journal of Labor Economics, University of Chicago Press, vol. 19(1), pages 1-21, January.
  19. 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.
  20. Kaas, Leo & Madden, Paul, 2008. "Minimum Wages and Welfare in a Hotelling Duopsony," IZA Discussion Papers 3434, Institute for the Study of Labor (IZA).
  21. Melvyn G. Coles & Jan Eeckhout, 2000. "Heterogeneity as a coordination device," Economics Working Papers 510, Department of Economics and Business, Universitat Pompeu Fabra.
  22. 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.
  23. Peters, Michael, 1991. "Ex Ante Price Offers in Matching Games Non-steady States," Econometrica, Econometric Society, vol. 59(5), pages 1425-1454, September.
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