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Learning to signal in markets

  • Nöldeke, Georg
  • Larry Samuelson

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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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
Contact details of provider: 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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  1. G. Noldeke & L. Samuelson, 2010. "An Evolutionary Analysis of Backward and Forward Induction," Levine's Working Paper Archive 538, David K. Levine.
  2. Drew Fudenberg & David K. Levine, 1993. "Self-Confirming Equilibrium," Levine's Working Paper Archive 2147, David K. Levine.
  3. Banks, Jeffrey S & Sobel, Joel, 1987. "Equilibrium Selection in Signaling Games," Econometrica, Econometric Society, vol. 55(3), pages 647-61, May.
  4. In-Koo Cho & David M. Kreps, 1987. "Signaling Games and Stable Equilibria," The Quarterly Journal of Economics, Oxford University Press, vol. 102(2), pages 179-221.
  5. Michael Spence, 1973. "Job Market Signaling," The Quarterly Journal of Economics, Oxford University Press, vol. 87(3), pages 355-374.
  6. Blume, A. & Kim, Y.G. & Sobel, J., 1993. "Evolutionary Stability in Games of Communication," Working Papers 93-07, University of Iowa, Department of Economics.
  7. Georg Nöldeke & Larry Samuelson, 1992. "The Evolutionary Foundations of Backward and Forward Induction," Discussion Paper Serie B 216, University of Bonn, Germany.
  8. Kalai, Ehud & Lehrer, Ehud, 1991. "Private-Beliefs Equilibrium," Working Papers 91-19, C.V. Starr Center for Applied Economics, New York University.
  9. Drew Fudenberg & David K. Levine, 1993. "Steady State Learning and Nash Equilibrium," Levine's Working Paper Archive 373, David K. Levine.
  10. Riley, John G, 1979. "Informational Equilibrium," Econometrica, Econometric Society, vol. 47(2), pages 331-59, March.
  11. 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.
  12. Douglas Gale, 1992. "A Walrasian Theory of Markets with Adverse Selection," Review of Economic Studies, Oxford University Press, vol. 59(2), pages 229-255.
  13. Wilson, Charles, 1977. "A model of insurance markets with incomplete information," Journal of Economic Theory, Elsevier, vol. 16(2), pages 167-207, December.
  14. Van Damme, E., 1991. "Refinements of Nash Equilibrium," Papers 9107, Tilburg - Center for Economic Research.
  15. Young, H Peyton, 1993. "The Evolution of Conventions," Econometrica, Econometric Society, vol. 61(1), pages 57-84, January.
  16. 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.
  17. Grossman, Sanford J. & Perry, Motty, 1986. "Perfect sequential equilibrium," Journal of Economic Theory, Elsevier, vol. 39(1), pages 97-119, June.
  18. 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.
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