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Hierarchy of players in swap robust voting games

机译:互换性强的投票游戏中玩家的等级

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摘要

Ordinarily, the process of decision making by a committee through voting is modeled by a monotonic game the range of whose characteristic function is restricted to {0, 1}. The decision rule that governs the collective action of a voting body induces a hierarchy in the set of players in terms of the a-priori influence that the players have over the decision making process. In order to determine this hierarchy in a swap robust game, one has to either evaluate a power index (e.g., the Shapley–Shubik index, the Banzhaf–Coleman index) for each player or conduct a pairwise comparison between players, whereby a player i is ranked higher than another player j if there exists a coalition in which i is more desirable as a coalition partner than j. In this paper, we outline an alternative mechanism to determine the ranking of players in terms of their a-priori power. This simple and elegant method uses only minimal winning coalitions, rather than the entire set of winning coalitions.
机译:通常,委员会通过投票做出决策的过程是通过单调游戏来建模的,该单调游戏的特征函数范围限制为{0,1}。根据投票者对决策过程的先验影响,决定投票主体集体行动的决策规则会在投票者集合中引入等级制度。为了确定掉期稳健型博弈中的这种层次结构,必须评估每个玩家的力量指数(例如,Shapley–Shubik指数,Banzhaf–Coleman指数),或在玩家之间进行成对比较,从而使玩家i如果存在一个联盟,其中i比j更适合作为联盟伙伴,则该联盟的排名高于其他参与者j。在本文中,我们概述了一种可替代的机制,可以根据先验能力来确定玩家的排名。这种简单而优雅的方法仅使用最少的获胜联盟,而不使用整个获胜联盟。

著录项

  • 来源
    《Social Choice and Welfare》 |2012年第1期|11-22|共12页
  • 作者

    Monisankar Bishnu; Sonali Roy;

  • 作者单位

    Planning Unit Indian Statistical Institute New Delhi 110016 India;

    Department of Economics Iowa State University Ames IA 50011 USA;

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  • 正文语种 eng
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