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False-name-proof voting with costs over two alternatives

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  • Liad Wagman
  • Vincent Conitzer

Abstract

In open, anonymous settings such as the Internet, agents can participate in a mechanism multiple times under different identities. A mechanism is false-name-proof if no agent ever benefits from participating more than once. Unfortunately, the design of false-name-proof mechanisms has been hindered by a variety of negative results. In this paper, we show how some of these negative results can be circumvented by making the realistic assumption that obtaining additional identities comes at a (potentially small) cost. We consider arbitrary such costs and apply our results within the context of a voting model with two alternatives. Copyright Springer-Verlag Berlin Heidelberg 2014

Suggested Citation

  • Liad Wagman & Vincent Conitzer, 2014. "False-name-proof voting with costs over two alternatives," International Journal of Game Theory, Springer;Game Theory Society, vol. 43(3), pages 599-618, August.
    • Handle: RePEc:spr:jogath:v:43:y:2014:i:3:p:599-618
    DOI: 10.1007/s00182-013-0397-3
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    Cited by:

    1. Davide Grossi, 2021. "Lecture Notes on Voting Theory," Papers 2105.00216, arXiv.org.
    2. Alessandro Acquisti & Curtis Taylor & Liad Wagman, 2016. "The Economics of Privacy," Journal of Economic Literature, American Economic Association, vol. 54(2), pages 442-492, June.

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