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Interactive Unawareness

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Author Info
Aviad Heifetz (The Economics and Management Department, The Open University of Israel. Aviadhe@openu.ac.il)
Martin Meier (Instituto de Análisis Económico - CSIC, Campus Universitat Autònoma de Barcelona. martin.meier@uab.es)
Burkhard C. Schipper (Department of Economics, University of Bonn. schipper@uni-bonn.de)

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Abstract

The standard state-spaces of asymmetric information preclude non-trivial forms of unawareness (Modica and Rustichini, 1994, Dekel, Lipman and Rustichini, 1998). We introduce a generalized state-space model that allows for non-trivial unawareness among several individuals, and which satisfies strong properties of knowledge as well as all the desiderata on unawareness proposed this far in the literature.

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Publisher Info
Paper provided by SFB/TR 15 Governance and the Efficiency of Economic Systems, Free University of Berlin, Humboldt University of Berlin, University of Bonn, University of Mannheim, University of Munich in its series Discussion Papers with number 52.

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Date of creation: Feb 2005
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Handle: RePEc:trf:wpaper:52

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Related research
Keywords: unawareness; awareness; knowledge; interactive epistemology; speculative trade; bounded perception.;

Other versions of this item:

Find related papers by 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

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References listed on IDEAS
Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
  1. Hart, Sergiu & Heifetz, Aviad & Samet, Dov, 1996. ""Knowing Whether," "Knowing That," and The Cardinality of State Spaces," Journal of Economic Theory, Elsevier, vol. 70(1), pages 249-256, July. [Downloadable!] (restricted)
    Other versions:
  2. Ewerhart, Christian, 2001. "Heterogeneous Awareness and the Possibility of Agreement," Sonderforschungsbereich 504 Publications 01-30, Sonderforschungsbereich 504, Universität Mannheim & Sonderforschungsbereich 504, University of Mannheim.
  3. Halpern, Joseph Y., 2001. "Alternative Semantics for Unawareness," Games and Economic Behavior, Elsevier, vol. 37(2), pages 321-339, November. [Downloadable!] (restricted)
    Other versions:
  4. Enriqueta Aragones & Itzhak Gilboa & Andrew Postlewaite & David Schmeidler, 2003. "Fact-Free Learning," PIER Working Paper Archive 03-023, Penn Institute for Economic Research, Department of Economics, University of Pennsylvania. [Downloadable!]
    Other versions:
  5. Milgrom, Paul & Stokey, Nancy, 1982. "Information, trade and common knowledge," Journal of Economic Theory, Elsevier, vol. 26(1), pages 17-27, February. [Downloadable!] (restricted)
    Other versions:
  6. Modica, Salvatore & Rustichini, Aldo, 1999. "Unawareness and Partitional Information Structures," Games and Economic Behavior, Elsevier, vol. 27(2), pages 265-298, May. [Downloadable!] (restricted)
  7. Eddie Dekel & Barton L. Lipman & Aldo Rustichini, 1998. "Standard State-Space Models Preclude Unawareness," Econometrica, Econometric Society, vol. 66(1), pages 159-174, January.
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Cited by:
(explanations, Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.)

  1. Heifetz, Aviad & Meier, Martin & Schipper, Burkhard C., 2006. "A Canonical Model for Interactive Unawareness," Working Papers 05-7, University of California at Davis, Department of Economics. [Downloadable!]
    Other versions:
  2. Liu, Zhen, 2006. "Fair disclosure and investor asymmetric awareness in stock markets," MPRA Paper 917, University Library of Munich, Germany, revised Feb 2007. [Downloadable!]
  3. Oliver Board & Kim-Sau Chung, 2006. "Object-Based Unawareness," Working Papers 245, University of Pittsburgh, Department of Economics, revised Jan 2006. [Downloadable!]
    Other versions:
  4. Oliver Board & Kim-Sau Chung, 2008. "Object-Based Unawareness: Theory and Applications," Working Papers 378, University of Pittsburgh, Department of Economics, revised Mar 2009. [Downloadable!]
  5. Brian, HILL, 2007. "Dynamic Awareness," Les Cahiers de Recherche 881, HEC Paris. [Downloadable!]
  6. Heifetz, Aviad & Meier, Martin & Schipper, Burkhard C, 2009. "Dynamic Unawareness and Rationalizable Behavior," MPRA Paper 15058, University Library of Munich, Germany. [Downloadable!]
  7. Moscati Ivan, 2009. "Interactive and common knowledge in the state-space model," CESMEP Working Papers 200903, University of Turin. [Downloadable!]
  8. Andreas Blume & Uri Gneezy, 2009. "Cognitive Forward Induction and Coordination without Common Knowledge: An Experimental Study," Working Papers 346, University of Pittsburgh, Department of Economics, revised May 2009. [Downloadable!]
  9. Feinberg, Yossi, 2005. "Games with Incomplete Awareness," Research Papers 1894, Stanford University, Graduate School of Business. [Downloadable!]
  10. Galanis, Spyros, . "Unawareness of Theorems," Discussion Paper Series In Economics And Econometrics 0709, Economics Division, School of Social Sciences, University of Southampton. [Downloadable!]
  11. Jernej Copic & Andrea Galeotti, 2006. "Awareness as an Equilibrium Notion: Normal-Form Games," Economics Discussion Papers 614, University of Essex, Department of Economics. [Downloadable!]
  12. Oliver Board & Kim-Sau Chung & Burkhard C. Schipper, 2008. "Two Models of Unawareness," Working Papers 379, University of Pittsburgh, Department of Economics, revised Mar 2009. [Downloadable!]
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