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Information Structures with Unawareness

Author

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  • Jing Li

    (Department of Economics, University of Pennsylvania)

Abstract

I construct a state space model with unawareness following Aumann (1976). Dekel, Lipman and Rustichini (1998a) show that standard state space models are incapable of representing unawareness. The model circumvents the impossibility result by endowing the agent with a subjective state space that differs from the full state space when he has the unawareness problem. Information is modeled as a pair, consisting of both factual information and awareness information. The model preserves the central properties of the standard information partition model.

Suggested Citation

  • Jing Li, 2008. "Information Structures with Unawareness," PIER Working Paper Archive 08-024, Penn Institute for Economic Research, Department of Economics, University of Pennsylvania.
    • Handle: RePEc:pen:papers:08-024
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    File URL: https://economics.sas.upenn.edu/sites/default/files/filevault/working-papers/08-024.pdf
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    Cited by:

    1. Neffa, Julio César, 2012. "La evolución de la relación salarial durante la post convertibilidad," Revue de la Régulation - Capitalisme, institutions, pouvoirs, Association Recherche et Régulation, vol. 11.
    2. Mengel, F. & Tsakas, E. & Vostroknutov, A., 2009. "Awareness in repeated games," Research Memorandum 010, Maastricht University, Maastricht Research School of Economics of Technology and Organization (METEOR).
    3. Liu Zhen, 2008. "The Dirty Face Problem with Unawareness," The B.E. Journal of Theoretical Economics, De Gruyter, vol. 8(1), pages 1-20, December.
    4. Fritz, Morgane M.C. & Maxson, Peter A. & Baumgartner, Rupert J., 2016. "The mercury supply chain, stakeholders and their responsibilities in the quest for mercury-free gold," Resources Policy, Elsevier, vol. 50(C), pages 177-192.

    More about this item

    Keywords

    unawareness; information; information partition; state space models;
    All these keywords.

    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; Mechanism Design
    • D83 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Search; Learning; Information and Knowledge; Communication; Belief; Unawareness

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