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Coordinating under incomplete information

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Author Info
Asheim, Geir B. () (Dept. of Economics, University of Oslo)
Yoo, Seung Han () (Department of Economics)

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Abstract

We show that, in a minimum effort game with incomplete information where player types are independently drawn, there is a largest and smallest Bayesian equilibrium, leading to the set of equilibrium payoffs (as evaluated at the interim stage) having a lattice structure. Furthermore, the range of equilibrium payoffs converges to those of the deterministic complete information version of the game, in the limit as the incomplete information vanishes. This entails that such incomplete information alone cannot explain the equilibrium selection suggested by experimental evidence.

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File URL: http://www.oekonomi.uio.no/memo/memopdf/memo2207.pdf
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Publisher Info
Paper provided by Oslo University, Department of Economics in its series Memorandum with number 22/2007.

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Length: 25 pages
Date of creation: 29 Sep 2007
Date of revision:
Handle: RePEc:hhs:osloec:2007_022

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Postal: Department of Economics, University of Oslo, P.O Box 1095 Blindern, N-0317 Oslo, Norway
Phone: 22 85 51 27
Fax: 22 85 50 35
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Web page: http://www.oekonomi.uio.no/indexe.html
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Related research
Keywords: Minimum effort games; Coordination games; Incomplete information;

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Find related papers by JEL classification:
C72 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Noncooperative Games

References listed on IDEAS
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  1. Milgrom, Paul & Roberts, John, 1990. "Rationalizability, Learning, and Equilibrium in Games with Strategic Complementarities," Econometrica, Econometric Society, vol. 58(6), pages 1255-77, November. [Downloadable!] (restricted)
  2. Carlsson, Hans & Ganslandt, Mattias, 1998. "Noisy equilibrium selection in coordination games," Economics Letters, Elsevier, vol. 60(1), pages 23-34, July. [Downloadable!] (restricted)
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  3. Vislie, Jon, 1994. "Efficiency and equilibria in complementary teams," Journal of Economic Behavior & Organization, Elsevier, vol. 23(1), pages 83-91, January. [Downloadable!] (restricted)
  4. Anderson, Simon P. & Goeree, Jacob K. & Holt, Charles A., 2001. "Minimum-Effort Coordination Games: Stochastic Potential and Logit Equilibrium," Games and Economic Behavior, Elsevier, vol. 34(2), pages 177-199, February. [Downloadable!] (restricted)
  5. Frankel, David M. & Morris, Stephen & Pauzner, Ady, 2003. "Equilibrium selection in global games with strategic complementarities," Journal of Economic Theory, Elsevier, vol. 108(1), pages 1-44, January. [Downloadable!] (restricted)
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  6. Carlsson, Hans & van Damme, Eric, 1993. "Global Games and Equilibrium Selection," Econometrica, Econometric Society, vol. 61(5), pages 989-1018, September. [Downloadable!] (restricted)
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  7. Patrick Legros & Steven A. Matthews, 1992. "Efficient and Nearly Efficient Partnerships," Discussion Papers 991R, Northwestern University, Center for Mathematical Studies in Economics and Management Science. [Downloadable!]
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  8. Van Zandt, Timothy & Vives, Xavier, 2007. "Monotone equilibria in Bayesian games of strategic complementarities," Journal of Economic Theory, Elsevier, vol. 134(1), pages 339-360, May. [Downloadable!] (restricted)
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  9. Van Huyck, John B & Battalio, Raymond C & Beil, Richard O, 1990. "Tacit Coordination Games, Strategic Uncertainty, and Coordination Failure," American Economic Review, American Economic Association, vol. 80(1), pages 234-48, March. [Downloadable!] (restricted)
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