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Universal Mechanisms and Moral Preferences in Implementation

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Author Info
Hitoshi Matsushima (Faculty of Economics, University of Tokyo)

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Abstract

This paper reconsiders implementation of social choice functions defined as mapping from states to consequences, where we require the uniqueness of equilibrium outcome at every state. In contrast with the standard models, we construct only mechanisms that are universal, i.e., are free from the detail of the model specification such as the set of states, and allow each agent to have small moral preference. We show that a single mechanism can implement every incentive compatible social choice function. Moral preferences serve not only to eliminate unwanted equilibria but also to make the central planner's information processing simplified as much as possible in ways that each agent will translate her indescribable private signal into the describable characteristic of the socially optimal alternative.

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Publisher Info
Paper provided by CIRJE, Faculty of Economics, University of Tokyo in its series CIRJE F-Series with number CIRJE-F-254.

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Length: 31 pages
Date of creation: Dec 2003
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Handle: RePEc:tky:fseres:2003cf254

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  1. Fehr, Ernst & Schmidt, Klaus M., 2001. "Theories of Fairness and Reciprocity," Discussion Papers in Economics 14, University of Munich, Department of Economics. [Downloadable!]
  2. Brian Erard & Jonathan S. Feinstein, 1994. "Honesty and Evasion in the Tax Compliance Game," RAND Journal of Economics, The RAND Corporation, vol. 25(1), pages 1-19, Spring. [Downloadable!] (restricted)
    Other versions:
  3. Alger, Ingela & Albert Ma, Ching-to, 2003. "Moral hazard, insurance, and some collusion," Journal of Economic Behavior & Organization, Elsevier, vol. 50(2), pages 225-247, February. [Downloadable!] (restricted)
    Other versions:
  4. Serrano, Roberto & Vohra, Rajiv, 2001. "Some Limitations of Virtual Bayesian Implementation," Econometrica, Econometric Society, vol. 69(3), pages 785-92, May.
  5. repec:att:wimass:1920123 is not listed on IDEAS
  6. Glazer, Jacob & Rubinstein, Ariel, 1998. "Motives and Implementation: On the Design of Mechanisms to Elicit Opinions," Journal of Economic Theory, Elsevier, vol. 79(2), pages 157-173, April. [Downloadable!] (restricted)
  7. Maskin, Eric & Tirole, Jean, 1999. "Unforeseen Contingencies and Incomplete Contracts," Review of Economic Studies, Blackwell Publishing, vol. 66(1), pages 83-114, January. [Downloadable!] (restricted)
  8. Matsushima Hitoshi, 1993. "Bayesian Monotonicity with Side Payments," Journal of Economic Theory, Elsevier, vol. 59(1), pages 107-121, February. [Downloadable!] (restricted)
  9. Eliaz, Kfir, 2002. "Fault Tolerant Implementation," Review of Economic Studies, Blackwell Publishing, vol. 69(3), pages 589-610, July.
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  10. John Duggan, 1997. "Virtual Bayesian Implementation," Econometrica, Econometric Society, vol. 65(5), pages 1175-1200, September.
  11. Jackson, Matthew O, 1991. "Bayesian Implementation," Econometrica, Econometric Society, vol. 59(2), pages 461-77, March. [Downloadable!] (restricted)
  12. Eric Maskin & Tomas Sjostrom, 2001. "Implementation Theory," Economics Working Papers 0006, Institute for Advanced Study, School of Social Science. [Downloadable!]
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  13. Abreu, D. & Matsushima, H., 1991. "Virtual Implementation in Iteratively Undominated Strategies: Incomplete Information," Papers e-91-2, Stanford - Hoover Institution.
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  14. Roberto Serrano & Rajiv Vohra, . "Type Diversity and Virtual Bayesian Implementation Creation-Date: 2000," Working Papers 2000-16, Brown University, Department of Economics. [Downloadable!]
  15. Jean Tirole, 1999. "Incomplete Contracts: Where Do We Stand?," Econometrica, Econometric Society, vol. 67(4), pages 741-782, July.
  16. Amartya Sen, 1999. "The Possibility of Social Choice," American Economic Review, American Economic Association, vol. 89(3), pages 349-378, June. [Downloadable!] (restricted)
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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. Hitoshi Matsushima, 2004. "On Detail-Free Mechanism Design and Rationality," CIRJE F-Series CIRJE-F-287, CIRJE, Faculty of Economics, University of Tokyo. [Downloadable!]
    Other versions:
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