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A Unified Theory of Implementation

Author

Listed:
  • Ismail Saglam

    (Bogazici University)

Abstract

This paper unifies the theories of Nash implementation and Bayesian implementation. Environments considered are such that each agent's characteristics include, in addition to a specification of his private information, a commonly known type parameter, while both attributes are unknown to the designer. Each social choice correspondence (SCC) assigns a commonly known type vector to a social choice set. Conditions that fully characterize an implementable SCC in economic environments where agents are not satiated generalize and merge respective conditions in the complete information model of Danilov (1992) and the incomplete information model of Jackson (1991).

Suggested Citation

  • Ismail Saglam, 2007. "A Unified Theory of Implementation," Economics Bulletin, AccessEcon, vol. 4(20), pages 1-10.
    • Handle: RePEc:ebl:ecbull:eb-07d70007
    as

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    References listed on IDEAS

    as
    1. Eric Maskin, 1999. "Nash Equilibrium and Welfare Optimality," Review of Economic Studies, Oxford University Press, vol. 66(1), pages 23-38.
    2. Moore, John & Repullo, Rafael, 1990. "Nash Implementation: A Full Characterization," Econometrica, Econometric Society, vol. 58(5), pages 1083-1099, September.
    3. Danilov, Vladimir, 1992. "Implementation via Nash Equilibria," Econometrica, Econometric Society, vol. 60(1), pages 43-56, January.
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    More about this item

    Keywords

    Bayesian implementation;

    JEL classification:

    • D7 - Microeconomics - - Analysis of Collective Decision-Making
    • D7 - Microeconomics - - Analysis of Collective Decision-Making

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