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Implementation and Preference for Honesty

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

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Abstract

We investigate implementation of social choice functions that map states to lotteries, where agents have preferences not only for consequences but also for 'honesty'. We show that in the complete information environments with three or more agents, every social choice function is implementable in Nash equilibrium. This is in contrast with the standard implementation models where agents have preferences only for consequences and no social choice function depending on factors other than agents' preferences is implementable. We show also that in the incomplete information environments with two or more agents, every Bayesian incentive compatible social choice function can be implemented in Bayesian Nash equilibrium by a mechanism that is universal in the sense that it does not depend on the detail of the private signal structure.

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File URL: http://www.e.u-tokyo.ac.jp/cirje/research/dp/2003/2003cf244.pdf
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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-244.

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Length: 16 pages
Date of creation: Oct 2003
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Handle: RePEc:tky:fseres:2003cf244

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  1. Matsushima, Hitoshi, 1988. "A new approach to the implementation problem," Journal of Economic Theory, Elsevier, vol. 45(1), pages 128-144, June. [Downloadable!] (restricted)
  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)
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  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)
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  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. Matsushima Hitoshi, 1993. "Bayesian Monotonicity with Side Payments," Journal of Economic Theory, Elsevier, vol. 59(1), pages 107-121, February. [Downloadable!] (restricted)
  8. Abreu Dilip & Matsushima Hitoshi, 1994. "Exact Implementation," Journal of Economic Theory, Elsevier, vol. 64(1), pages 1-19, October. [Downloadable!] (restricted)
  9. Cremer, Jacques & McLean, Richard P, 1985. "Optimal Selling Strategies under Uncertainty for a Discriminating Monopolist When Demands Are Interdependent," Econometrica, Econometric Society, vol. 53(2), pages 345-61, March. [Downloadable!] (restricted)
  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. Abreu, Dilip & Sen, Arunava, 1991. "Virtual Implementation in Nash Equilibrium," Econometrica, Econometric Society, vol. 59(4), pages 997-1021, July. [Downloadable!] (restricted)
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  15. 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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