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An optimal voting procedure when voting is costly

机译:投票成本高昂时的最佳投票程序

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We study optimal dynamic voting procedures when voting is costly. For a highly stylized specification of our model with private values, two alternatives, and binary, equally likely types we show the optimality of a voting procedure that combines two main elements: (i) there is an arbitrarily chosen default decision and abstention is interpreted as a vote in favor of the defau (ii) voting is sequential and is terminated when a supermajority requirement, which declines over time, is met. We show the optimality of such a voting procedure by arguing that it is first best, that is, it maximizes welfare when equilibrium constraints are ignored, and by showing that individual incentives and social welfare are sufficiently aligned to make a first best procedure incentive compatible. We also provide counterexamples where no first best procedure is incentive compatible when voters' binary types are not equally likely. (C) 2014 Elsevier Inc. All rights reserved.
机译:当投票成本很高时,我们研究最佳的动态投票程序。对于带有私有值,两个备选方案和二进制,同样可能的类型的模型的高度规范化规范,我们展示了结合两个主要元素的投票程序的最优性:(i)存在任意选择的默认决策,且弃权解释为投票赞成违约; (ii)投票是连续的,并在满足随时间而下降的多数席位时终止。我们通过证明这种投票程序是最优的,即认为它是最佳的,即当忽略均衡约束时,它可以使福利最大化,并通过证明个体激励和社会福利充分协调以使第一最优程序激励兼容。我们还提供了一些反例,其中当选民的二进制类型不太一样时,没有最佳的程序可以激励兼容。 (C)2014 Elsevier Inc.保留所有权利。

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