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A Dynamic Model of Equilibrium Selection in Signaling Markets

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  • Noldeke, Georg
  • Samuelson, Larry

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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Suggested Citation

  • Noldeke, Georg & Samuelson, Larry, 1997. "A Dynamic Model of Equilibrium Selection in Signaling Markets," Journal of Economic Theory, Elsevier, vol. 73(1), pages 118-156, March.
  • Handle: RePEc:eee:jetheo:v:73:y:1997:i:1:p:118-156
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    3. Wilkening, Tom, 2016. "Information and the persistence of private-order contract enforcement institutions: An experimental analysis," European Economic Review, Elsevier, vol. 89(C), pages 193-215.
    4. Tom Wilkening, 2009. "The Informational Properties of Institutions: An Experimental Study of Persistence in Markets with Certification," Department of Economics - Working Papers Series 1087, The University of Melbourne.
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    7. Drew Fudenberg & Kevin He, 2018. "Learning and Type Compatibility in Signaling Games," Econometrica, Econometric Society, vol. 86(4), pages 1215-1255, July.
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    9. Jacobsen, Hans Jorgen & Jensen, Mogens & Sloth, Birgitte, 2001. "Evolutionary Learning in Signalling Games," Games and Economic Behavior, Elsevier, vol. 34(1), pages 34-63, January.
    10. Andreozzi, Luciano, 2012. "Property rights and investments: An evolutionary approach," Games and Economic Behavior, Elsevier, vol. 74(1), pages 1-11.
    11. Alos-Ferrer, Carlos, 2004. "Cournot versus Walras in dynamic oligopolies with memory," International Journal of Industrial Organization, Elsevier, vol. 22(2), pages 193-217, February.
    12. Elliott O. Wagner, 2013. "The Dynamics of Costly Signaling," Games, MDPI, Open Access Journal, vol. 4(2), pages 1-19, April.
    13. Agastya, Murali, 2004. "Stochastic stability in a double auction," Games and Economic Behavior, Elsevier, vol. 48(2), pages 203-222, August.
    14. Inderst, Roman, 2002. "Contractual Signaling in a Market Environment," Games and Economic Behavior, Elsevier, vol. 40(1), pages 77-98, July.
    15. Andriy Zapechelnyuk & Ro'i Zultan, 2008. "Job Market Signaling and Job Search," Discussion Paper Series dp488, The Federmann Center for the Study of Rationality, the Hebrew University, Jerusalem.
    16. Robles, Jack, 1998. "Evolution with Changing Mutation Rates," Journal of Economic Theory, Elsevier, vol. 79(2), pages 207-223, April.
    17. Kjell Hausken, 2006. "A General Equilibrium Model of Signaling and Exchange," Levine's Working Paper Archive 618897000000001035, David K. Levine.
    18. 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.
    19. Ivan Anic & Vladimir Bozin & Branko Uroševic, 2016. "A Signaling Model of University Selection," CESifo Working Paper Series 5741, CESifo.
    20. Hedlund, Jonas, 2017. "Bayesian persuasion by a privately informed sender," Journal of Economic Theory, Elsevier, vol. 167(C), pages 229-268.
    21. Azomahou, T. & Opolot, D., 2014. "Stability and strategic diffusion in networks," MERIT Working Papers 2014-035, United Nations University - Maastricht Economic and Social Research Institute on Innovation and Technology (MERIT).
    22. Robles, Jack, 2001. "Evolution in Finitely Repeated Coordination Games," Games and Economic Behavior, Elsevier, vol. 34(2), pages 312-330, February.
    23. Raab, Philippe, 2005. "Can Endogenous Group Formation Prevent Coordination Failure? A Theoretical and Experimental Investigation," IZA Discussion Papers 1628, Institute of Labor Economics (IZA).
    24. Troger, Thomas, 2002. "Why Sunk Costs Matter for Bargaining Outcomes: An Evolutionary Approach," Journal of Economic Theory, Elsevier, vol. 102(2), pages 375-402, February.
    25. 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.

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    More about this item

    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
    • D80 - Microeconomics - - Information, Knowledge, and Uncertainty - - - General
    • D82 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Asymmetric and Private Information; Mechanism Design
    • D83 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Search; Learning; Information and Knowledge; Communication; Belief; Unawareness

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