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On the game-theoretic foundations of competitive search equilibrium

  • Manolis Galenianos
  • Philipp Kircher

We provide a unified directed search framework with general production and matching specifications that encompass most of the existing literature. We prove the existence of subgame perfect Nash equilibria in pure firm strategies in a finite version of the model. We use this result to derive a more complete characterization of the equilibrium set for the finite economy and to extend convergence results as the economy becomes large to general production and matching specifications. The latter extends the microfoundations for the standard market utility assumption used in competitive search models with a continuum of agents to new environments.

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Paper provided by London School of Economics and Political Science, LSE Library in its series LSE Research Online Documents on Economics with number 29707.

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Date of creation: 2012
Date of revision:
Publication status: Published in International Economic Review, 2012, 53(1), pp. 1-21. ISSN: 0020-6598
Handle: RePEc:ehl:lserod:29707
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  1. Espen R. Moen & A Rosen, 2007. "Incentives in Competitive Search Equilibrium," CEP Discussion Papers dp0832, Centre for Economic Performance, LSE.
  2. Barbara Petrongolo & Christopher Pissarides, 2000. "Looking into the black box: a survey of the matching function," LSE Research Online Documents on Economics 2122, London School of Economics and Political Science, LSE Library.
  3. Manolis Galenianos & Philipp Kircher, 2009. "Directed search with multiple job applications," LSE Research Online Documents on Economics 29702, London School of Economics and Political Science, LSE Library.
  4. 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.
  5. Moen, E.R., 1995. "Competitive Search Equilibrium," Memorandum 37/1995, Oslo University, Department of Economics.
  6. Philipp Kircher, 2009. "Efficiency of simultaneous search," LSE Research Online Documents on Economics 29703, London School of Economics and Political Science, LSE Library.
  7. Jan Eeckhout & Philipp Kircher, 2010. "Sorting and Decentralized Price Competition," Econometrica, Econometric Society, vol. 78(2), pages 539-574, 03.
  8. Geromichalos, Athanasios, 2012. "Directed search and optimal production," Journal of Economic Theory, Elsevier, vol. 147(6), pages 2303-2331.
  9. Camera, Gabriele & Selcuk, Cemil, 2004. "Price Dispersion with Directed Search," Purdue University Economics Working Papers 1173, Purdue University, Department of Economics.
  10. Daron Acemoglu & Robert Shimer, 1999. "Efficient Unemployment Insurance," Journal of Political Economy, University of Chicago Press, vol. 107(5), pages 893-928, October.
  11. Faig Miquel & Jerez Belén, 2006. "Inflation, Prices, and Information in Competitive Search," The B.E. Journal of Macroeconomics, De Gruyter, vol. 6(1), pages 1-34, September.
  12. James Albrecht & Pieter A. Gautier & Susan Vroman, 2006. "Equilibrium Directed Search with Multiple Applications," Review of Economic Studies, Oxford University Press, vol. 73(4), pages 869-891.
  13. 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.
  14. Wolthoff, Ronald P., 2010. "Applications and Interviews: A Structural Analysis of Two-Sided Simultaneous Search," IZA Discussion Papers 5416, Institute for the Study of Labor (IZA).
  15. 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.
  16. Albrecht, James & Tan, Serene & Gautier, Pieter & Vroman, Susan, 2004. "Matching with multiple applications revisited," Economics Letters, Elsevier, vol. 84(3), pages 311-314, September.
  17. Benoît Julien & John Kennes & Ian King, 2005. "Ex post bidding and efficient coordination unemployment," Canadian Journal of Economics, Canadian Economics Association, vol. 38(1), pages 174-193, February.
  18. Shouyong Shi, 2008. "Directed Search for Equilibrium Wage-Tenure Contracts," Working Papers tecipa-343, University of Toronto, Department of Economics.
  19. repec:oup:restud:v:64:y:1997:i:2:p:241-64 is not listed on IDEAS
  20. Jacquet, Nicolas L. & Tan, Serene, 2012. "Wage-vacancy contracts and coordination frictions," Journal of Economic Theory, Elsevier, vol. 147(3), pages 1064-1104.
  21. Ping He & Lixin Huang & Randall Wright, 2005. "Money And Banking In Search Equilibrium," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 46(2), pages 637-670, 05.
  22. 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.
  23. Moen, Espen R & Rosén, Åsa, 2006. "Incentives in Competitive Search Equilibrium and Wage Rigidity," CEPR Discussion Papers 5554, C.E.P.R. Discussion Papers.
  24. Philip J. Reny, 1999. "On the Existence of Pure and Mixed Strategy Nash Equilibria in Discontinuous Games," Econometrica, Econometric Society, vol. 67(5), pages 1029-1056, September.
  25. Peters, Michael, 2005. "Unobservable Heterogeneity in Directed Search," working papers peters-05-06-13-01-50-30, Vancouver School of Economics, revised 16 Oct 2009.
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