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Simultaneous Search and Network Efficiency

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  • Gautier, Pieter A
  • Holzner, Christian

Abstract

When workers send applications to vacancies they create a network. Frictions arise if workers do not know where other workers apply to (this affects network creation) and firms do not know which candidates other firms consider (this affects network clearing). We show that those frictions and the wage mechanism are in general not independent. Equilibria that exhibit wage dispersion are inefficient in terms of network formation. Under complete recall (firms can go back and forth between all their candidates) only wage mechanisms that allow for ex post Bertrand competition generate the maximum matching on a realized network.

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Bibliographic Info

Paper provided by C.E.P.R. Discussion Papers in its series CEPR Discussion Papers with number 8522.

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Date of creation: Aug 2011
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Handle: RePEc:cpr:ceprdp:8522

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Keywords: Efficiency; network clearing; random bipartite network formation; simultaneous search;

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  1. Fontaine, Francois, 2005. "Why Are Similar Workers Paid Differently? The Role of Social Networks," IZA Discussion Papers 1786, Institute for the Study of Labor (IZA).
  2. Pieter A. Gautier & Ronald P. Wolthoff, 2006. "Simultaneous Search with Heterogeneous Firms and Ex Post Competition," Tinbergen Institute Discussion Papers 06-032/3, Tinbergen Institute.
  3. Andrea Galeotti & Christian Ghiglino & Francesco Squintani, 2009. "Strategic Information Transmission in Networks," Economics Discussion Papers 668, University of Essex, Department of Economics.
  4. 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.
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  8. Eeckhout, Jan & Kircher, Philipp, 2010. "Sorting versus screening: search frictions and competing mechanisms," Open Access publications from London School of Economics and Political Science http://eprints.lse.ac.uk/, London School of Economics and Political Science.
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  10. Albrecht, James & Tan, Serene & Gautier, Pieter & Vroman, Susan, 2004. "Matching with multiple applications revisited," Economics Letters, Elsevier, vol. 84(3), pages 311-314, September.
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  15. Coles, Melvyn G. & Eeckhout, Jan, 2003. "Indeterminacy and directed search," Journal of Economic Theory, Elsevier, vol. 111(2), pages 265-276, August.
  16. Moen, Espen R, 1997. "Competitive Search Equilibrium," Journal of Political Economy, University of Chicago Press, vol. 105(2), pages 385-411, April.
  17. Scott A. Boorman, 1975. "A Combinatorial Optimization Model for Transmission of Job Information through Contact Networks," Bell Journal of Economics, The RAND Corporation, vol. 6(1), pages 216-249, Spring.
  18. 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.
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