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摘要翻译：
对于所有联盟策略证明的社会选择函数，我们给出了一个结构定理，它的值域是一个给定的较大方案集的基数的子集。我们在允许投票人/代理人表示无关紧要，并且域由任意基数社会的偏好分布组成的情况下提供了这一点。该定理以表示公式的形式出现，可以用来构造所考虑的所有函数。
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英文标题：
《The structure of two-valued strategy-proof social choice functions with
indifference》
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作者：
Achille Basile (1), Surekha Rao (2), K.P.S. Bhaskara Rao (2) ((1)
University Federico II of Naples, (2) Indiana University Northwest)
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最新提交年份：
2020
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分类信息：
一级分类：Economics 经济学
二级分类：Theoretical Economics 理论经济学
分类描述：Includes theoretical contributions to Contract Theory, Decision Theory, Game Theory, General Equilibrium, Growth, Learning and Evolution, Macroeconomics, Market and Mechanism Design, and Social Choice.
包括对契约理论、决策理论、博弈论、一般均衡、增长、学习与进化、宏观经济学、市场与机制设计、社会选择的理论贡献。
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英文摘要：
We give a structure theorem for all coalitionally strategy-proof social choice functions whose range is a subset of cardinality two of a given larger set of alternatives. We provide this in the case where the voters/agents are allowed to express indifference and the domain consists of profiles of preferences over a society of arbitrary cardinality. The theorem, that takes the form of a representation formula, can be used to construct all functions under consideration.
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PDF链接：
https://arxiv.org/pdf/2002.06341
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