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Learning to signal in markets

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  • Nöldeke, Georg
  • Larry Samuelson

Abstract

We formulate a dynamic learning-and-adjustment model of a market in which sellers choose signals that potentially reveal their types. If the dynamic process selects a unique limiting outcome, then that outcome must be an undefeated equilibrium; though to be undefeated does not suffice to be the sole limiting outcome. If a Riley outcome exists that provides "high" type sellers with a higher utility than any other equilibrium outcome, then that outcome is the unique limiting outcome of our model. In the absence of a Riley outcome, or if high type workers obtain higher utility in a pooling equilibrium than in the Riley outcome, a unique limit outcome will only emerge under very stringent conditions. If these conditions fail, the market will cycle between various equilibria and, possibly, nonequilibrium outcomes

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Bibliographic Info

Paper provided by University of Bonn, Germany in its series Discussion Paper Serie B with number 271.

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Length: pages
Date of creation: 1994
Date of revision:
Handle: RePEc:bon:bonsfb:271

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Postal: Bonn Graduate School of Economics, University of Bonn, Adenauerallee 24 - 26, 53113 Bonn, Germany
Fax: +49 228 73 6884
Web page: http://www.bgse.uni-bonn.de

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References

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  1. Young, H Peyton, 1993. "The Evolution of Conventions," Econometrica, Econometric Society, vol. 61(1), pages 57-84, January.
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  3. Grossman, Sanford J. & Perry, Motty, 1986. "Perfect sequential equilibrium," Journal of Economic Theory, Elsevier, vol. 39(1), pages 97-119, June.
  4. Drew Fudenberg & David K. Levine, 1993. "Steady State Learning and Nash Equilibrium," Levine's Working Paper Archive 373, David K. Levine.
  5. 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.
  6. Blume, A. & Kim, Y.G. & Sobel, J., 1992. "Evolutionary Stability in Games of Communication," Working Papers 92-17, University of Iowa, Department of Economics.
  7. G. Noldeke & L. Samuelson, 2010. "An Evolutionary Analysis of Backward and Forward Induction," Levine's Working Paper Archive 538, David K. Levine.
  8. Van Damme, E., 1991. "Refinements of Nash Equilibrium," Papers 9107, Tilburg - Center for Economic Research.
  9. Banks, Jeffrey S & Sobel, Joel, 1987. "Equilibrium Selection in Signaling Games," Econometrica, Econometric Society, vol. 55(3), pages 647-61, May.
  10. Fudenberg, Drew & Levine, David K, 1993. "Self-Confirming Equilibrium," Econometrica, Econometric Society, vol. 61(3), pages 523-45, May.
  11. John G. Riley, 1976. "Informational Equilibrium," UCLA Economics Working Papers 071, UCLA Department of Economics.
  12. Damme, E.E.C. van, 1991. "Refinements of Nash equilibrium," Discussion Paper 1991-7, Tilburg University, Center for Economic Research.
  13. 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.
  14. Gale, Douglas, 1992. "A Walrasian Theory of Markets with Adverse Selection," Review of Economic Studies, Wiley Blackwell, vol. 59(2), pages 229-55, April.
  15. Spence, A Michael, 1973. "Job Market Signaling," The Quarterly Journal of Economics, MIT Press, vol. 87(3), pages 355-74, August.
  16. 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.
  17. Georg Nöldeke & Larry Samuelson, 1992. "The Evolutionary Foundations of Backward and Forward Induction," Discussion Paper Serie B 216, University of Bonn, Germany.
  18. Ehud Kalai & Ehud Lehrer, 1991. "Private-Beliefs Equilibrium," Discussion Papers 926, Northwestern University, Center for Mathematical Studies in Economics and Management Science.
  19. 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.
  20. 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.
  21. Wilson, Charles, 1977. "A model of insurance markets with incomplete information," Journal of Economic Theory, Elsevier, vol. 16(2), pages 167-207, December.
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Cited by:
  1. De Jaegher, Kris, 2008. "Efficient communication in the electronic mail game," Games and Economic Behavior, Elsevier, vol. 63(2), pages 468-497, July.
  2. 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.
  3. Cooper, David J., 1997. "Barometric price leadership," International Journal of Industrial Organization, Elsevier, vol. 15(3), pages 301-325, May.

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