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Qualified voting systems

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  • Martínez, Ricardo
  • Moreno, Bernardo

Abstract

Voting systems are defined by three components: the set of votes that individuals are allowed to cast (that is, the instructions voters receive on how to fill in the ballot), a support function (that transforms ballots into support or votes), and an outcome function (which states how to aggregate those votes). In this paper, we investigate how these components interact. To that end, we impose two requirements on the outcome functions, called support monotonicity and limited symmetry. We identify the family of outcome functions that satisfy both properties.

Suggested Citation

  • Martínez, Ricardo & Moreno, Bernardo, 2017. "Qualified voting systems," Mathematical Social Sciences, Elsevier, vol. 88(C), pages 49-54.
    • Handle: RePEc:eee:matsoc:v:88:y:2017:i:c:p:49-54
    DOI: 10.1016/j.mathsocsci.2017.04.005
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    References listed on IDEAS

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