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A Dynamic Model of Equilibrium Selection in Signaling Markets

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Author Info
Noeldeke, Georg (Department of Economics, University of Bonn)
Samuelson, Larry (Department of Economics, University of Wisconsin)

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Abstract

In his work on market signaling, Spence proposed a dynamic model of a signaling market in which a buyer revises prices in light of experience and sellers choose utility-maximizing signals given these prices. Spence also suggested that subjecting the dynamic process to rare perturbations might allow one to choose between multiple equilibria. This paper examines the effect of introducing such perturbations into Spence's dynamic model. We find that refinement results arise naturally from the dynamic analysis. In a broad class of markets, our model selects a separating equilibrium outcome if and only if the equilibrium outcome satisfies a version of the undefeated equilibrium concept, whereas a pooling equilibrium outcome is selected if and only if the equilibrium outcome is both undefeated and satisfies D1.

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File URL: http://www.ihs.ac.at/publications/eco/es-27.pdf
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File Function: First version, 1996
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Publisher Info
Paper provided by Institute for Advanced Studies in its series Economics Series with number 27.

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Length: 32 pages
Date of creation: Feb 1996
Date of revision:
Handle: RePEc:ihs:ihsesp:27

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Related research
Keywords: Equilibrium Selection; Evolution; Signaling;

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Find related papers by JEL classification:
C70 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - General
C72 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Noncooperative Games
D82 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Asymmetric and Private Information
D83 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Search, Learning, and Information

References listed on IDEAS
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  1. Cho, In-Koo & Sobel, Joel, 1990. "Strategic stability and uniqueness in signaling games," Journal of Economic Theory, Elsevier, vol. 50(2), pages 381-413, April. [Downloadable!] (restricted)
  2. Bergin, James & Lipman, Barton L, 1996. "Evolution with State-Dependent Mutations," Econometrica, Econometric Society, vol. 64(4), pages 943-56, July. [Downloadable!] (restricted)
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  3. Mailath George J. & Okuno-Fujiwara Masahiro & Postlewaite Andrew, 1993. "Belief-Based Refinements in Signalling Games," Journal of Economic Theory, Elsevier, vol. 60(2), pages 241-276, August. [Downloadable!] (restricted)
  4. repec:att:wimass:19949 is not listed on IDEAS
  5. Young H. P., 1993. "An Evolutionary Model of Bargaining," Journal of Economic Theory, Elsevier, vol. 59(1), pages 145-168, February. [Downloadable!] (restricted)
  6. Hellwig, Martin, 1987. "Some recent developments in the theory of competition in markets with adverse selection ," European Economic Review, Elsevier, vol. 31(1-2), pages 319-325. [Downloadable!] (restricted)
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  7. Georg Noldeke & Larry Samuelson, 1994. "Learning to Signal in Markets," Game Theory and Information 9410001, EconWPA, revised 21 Oct 1994. [Downloadable!]
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  8. Drew Fudenberg & David K. Levine, 1993. "Self-Confirming Equilibrium," Levine's Working Paper Archive 2147, David K. Levine. [Downloadable!]
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  9. Arthur J Robson & Fernando Vega-Redondo, 1999. "Efficient Equilibrium Selection in Evolutionary Games with Random Matching," Levine's Working Paper Archive 2112, David K. Levine. [Downloadable!]
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  10. Rothschild, Michael & Stiglitz, Joseph E, 1976. "Equilibrium in Competitive Insurance Markets: An Essay on the Economics of Imperfect Information," The Quarterly Journal of Economics, MIT Press, vol. 90(4), pages 630-49, November.
  11. Noeldecke,Georg & Samuelson,Larry, . "An evolutionary analysis of backward and forward induction," Discussion Paper Serie B 228, University of Bonn, Germany.
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  12. Cho, In-Koo & Kreps, David M, 1987. "Signaling Games and Stable Equilibria," The Quarterly Journal of Economics, MIT Press, vol. 102(2), pages 179-221, May. [Downloadable!] (restricted)
  13. Riley, John G, 1979. "Informational Equilibrium," Econometrica, Econometric Society, vol. 47(2), pages 331-59, March. [Downloadable!] (restricted)
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  14. Young, H Peyton, 1993. "The Evolution of Conventions," Econometrica, Econometric Society, vol. 61(1), pages 57-84, January. [Downloadable!] (restricted)
  15. Samuelson Larry, 1994. "Stochastic Stability in Games with Alternative Best Replies," Journal of Economic Theory, Elsevier, vol. 64(1), pages 35-65, October. [Downloadable!] (restricted)
  16. Joseph Stiglitz & Andrew Weiss, 1990. "Sorting Out the Differences Between Signaling and Screening Models," NBER Technical Working Papers 0093, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
  17. Spence, A Michael, 1973. "Job Market Signaling," The Quarterly Journal of Economics, MIT Press, vol. 87(3), pages 355-74, August. [Downloadable!] (restricted)
  18. Matthew Rabin and Joel Sobel., 1993. "Deviations, Dynamics and Equilibrium Refinements," Economics Working Papers 93-211, University of California at Berkeley.
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Full references

Cited by:
(explanations, 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. Werner Güth & Hartmut Kliemt & Georg v. Wangenheim, 2006. "Verstehen, Verständigung, Vertrag - Ökonomik als Geistes-, Natur- und Staatswissenschaft," Papers on Strategic Interaction 2006-12, Max Planck Institute of Economics, Strategic Interaction Group. [Downloadable!]
  2. Philippe Raab, 2005. "Can Endogenous Group Formation Prevent Coordination Failure? A Theoretical and Experimental Investigation," IZA Discussion Papers 1628, Institute for the Study of Labor (IZA). [Downloadable!]
  3. Kris de Jaegher, 2007. "Efficient Communication in the Electronic Mail Game," Working Papers 07-11, Utrecht School of Economics. [Downloadable!]
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  4. Friedman, Daniel & Singh, Nirvikar, 2007. "Equilibrium Vengeance," MPRA Paper 4321, University Library of Munich, Germany. [Downloadable!]
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  5. Weibull, Jörgen W., 1997. "What have we learned from Evolutionary Game Theory so far?," Working Paper Series 487, Research Institute of Industrial Economics, revised 26 Oct 1998. [Downloadable!]
    Other versions:
  6. Burkhard Schipper, 2002. "Imitators and Optimizers in Cournot Oligopoly," Bonn Econ Discussion Papers bgse29_2002, University of Bonn, Germany. [Downloadable!]
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  7. Andriy Zapechelnyuk & Ro'i Zultan, 2008. "Job Market Signalling and Job Search," Levine's Bibliography 122247000000002301, UCLA Department of Economics. [Downloadable!]
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  8. Kjell Hausken, 2006. "A General Equilibrium Model of Signaling and Exchange," Levine's Working Paper Archive 618897000000001035, David K. Levine. [Downloadable!]
  9. Carlos Alós-Ferrer, 2001. "Cournot versus Walras in Dynamic Oligopolies with Memory," Vienna Economics Papers 0110, University of Vienna, Department of Economics. [Downloadable!]
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