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Absolute Qualified Majoritarianism: How Does the Threshold Matter?

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We study absolute qualified majority rules in a setting with more than two alternatives. We show that given two qualified majority rules, if transitivity is desired for the societal outcome and if the thresholds of one of these rules are at least as high as the other's for any pair of alternatives, then at each preference profile the rule with higher thresholds results in a coarser social ranking. Hence all absolute qualified majority rules can be expressed as specific coarsenings of the simple majority rule.

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  • Ali Ihsan Ozkes & M. Remzi Sanver, 2016. "Absolute Qualified Majoritarianism: How Does the Threshold Matter?," AMSE Working Papers 1643, Aix-Marseille School of Economics, France.
    • Handle: RePEc:aim:wpaimx:1643
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    2. Cailloux, Olivier & Hervouin, Matthieu & Ozkes, Ali I. & Sanver, M. Remzi, 2024. "Classification aggregation without unanimity," Mathematical Social Sciences, Elsevier, vol. 128(C), pages 6-9.
    3. Susumu Cato & Stéphane Gonzalez & Eric Rémila & Philippe Solal, 2022. "Approval voting versus proportional threshold methods: so far and yet so near," Working Papers halshs-03858356, HAL.

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    JEL classification:

    • D7 - Microeconomics - - Analysis of Collective Decision-Making

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