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Condorcet consistent scoring rules and single-peakedness

机译:Condorcet一致得分规则和单峰值

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We study voting problems with an odd number of agents and single-peaked preferences. With only three alternatives, there are scoring rules that yield the Condorcet winner only for committees of three and five agents. With four or more alternatives, only committees of three agents work. In all these scoring rules, the best and worst alternatives are assigned a score of land 0, respectively, and any middle alternative a score between 0 and 1/2. For five or more alternatives, the score of any middle alternative must be the same, and we call this family semiplurality scoring rules. (C) 2019 Elsevier B.V. All rights reserved.
机译:我们研究了奇数代理和单峰偏好的投票问题。只有三种替代方案,还有得分规则,只能为三个和五个代理商的委员会产生Condorcet获胜者。有四种或更多种替代方案,只有三个代理商的委员会工作。在所有这些评分规则中,最佳和最糟糕的替代方案分别分配了一个陆地0的分数,以及任何中间替代的分数在0到1/2之间。对于五种或更多种替代方案,任何中间替代方案的分数必须是相同的,我们称之为这个家庭半价格分数规则。 (c)2019 Elsevier B.v.保留所有权利。

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