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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)

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.sv.uio.no/econ/english/research/memorandum/pdf-files/2007/Memo-22-2007.pdf
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Bibliographic 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

Contact details of provider:
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
Email:
Web page: http://www.oekonomi.uio.no/indexe.html
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Keywords: Minimum effort games; Coordination games; Incomplete information;

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  1. Legros, Patrick & Matthews, Steven A, 1993. "Efficient and Nearly-Efficient Partnerships," Review of Economic Studies, Wiley Blackwell, vol. 60(3), pages 599-611, July.
  2. 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.
  3. Vislie, Jon, 1994. "Efficiency and equilibria in complementary teams," Journal of Economic Behavior & Organization, Elsevier, vol. 23(1), pages 83-91, January.
  4. Carlsson, H. & Van Damme, E., 1990. "Global Games And Equilibrium Selection," Papers 9052, Tilburg - Center for Economic Research.
  5. David M. Frankel & Stephen Morris & Ady Pauzner, 2000. "Equilibrium Selection in Global Games with Strategic Complementarities," Econometric Society World Congress 2000 Contributed Papers 1490, Econometric Society.
  6. Carlsson, Hans & Ganslandt, Mattias, 1998. "Noisy equilibrium selection in coordination games," Economics Letters, Elsevier, vol. 60(1), pages 23-34, July.
  7. Vives, Xavier, 1990. "Nash equilibrium with strategic complementarities," Journal of Mathematical Economics, Elsevier, vol. 19(3), pages 305-321.
  8. Hvide, Hans K, 2001. "Some Comments on Free-Riding in Leontief Partnerships," Economic Inquiry, Western Economic Association International, vol. 39(3), pages 467-73, July.
  9. 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.
  10. Milgrom, Paul & Roberts, John, 1990. "Rationalizability, Learning, and Equilibrium in Games with Strategic Complementarities," Econometrica, Econometric Society, vol. 58(6), pages 1255-77, November.
  11. 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.
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