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Implementation and Mind Control


  • Hitoshi Matsushima

    (Faculty of Economics, University of Tokyo)


This paper incorporates social psychology into implementation theory, where an uninformed principal manipulates a dynamic decision-making process without employing any tailored contractual device. We demonstrate the principal's mind-control method through which he can effectively utilize social psychology tactics to incentivize informed agents to announce their information in keeping with his wishes. We show that with incentive compatibility, the principal can implement any alternative that he wishes as the unique Nash equilibrium outcome, even if the psychological cost of each agent from disobeying the principal's wishes is small as compared to his total material benefits.

Suggested Citation

  • Hitoshi Matsushima, 2009. "Implementation and Mind Control," CARF F-Series CARF-F-174, Center for Advanced Research in Finance, Faculty of Economics, The University of Tokyo.
  • Handle: RePEc:cfi:fseres:cf174

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    1. Matsushima, Hitoshi, 2008. "Role of honesty in full implementation," Journal of Economic Theory, Elsevier, vol. 139(1), pages 353-359, March.
    2. Matsushima, Hitoshi, 2008. "Behavioral aspects of implementation theory," Economics Letters, Elsevier, vol. 100(1), pages 161-164, July.
    3. Uri Gneezy, 2005. "Deception: The Role of Consequences," American Economic Review, American Economic Association, vol. 95(1), pages 384-394, March.
    4. Martin J. Osborne & Ariel Rubinstein, 1994. "A Course in Game Theory," MIT Press Books, The MIT Press, edition 1, volume 1, number 0262650401, July.
    5. Bernheim, B Douglas, 1994. "A Theory of Conformity," Journal of Political Economy, University of Chicago Press, vol. 102(5), pages 841-877, October.
    6. Abreu, Dilip & Matsushima, Hitoshi, 1992. "Virtual Implementation in Iteratively Undominated Strategies: Complete Information," Econometrica, Econometric Society, vol. 60(5), pages 993-1008, September.
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