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Social choice and electoral competition in the general spatial model

机译:一般空间模型中的社会选择与选举竞争

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This paper extends the theory of the core, the uncovered set, and the related undominated set to a general set of alternatives and an arbitrary measure space of voters. We investigate the properties of social preferences generated by simple games; we extend results on generic emptiness of the core; we prove the general nonemptiness of the uncovered and undominated sets; and we prove the upper hemicontinuity of these correspondences when the voters' preferences are such that the core is nonempty and externally stable. Finally, we give conditions under which the undominated set is lower hemicontinuous.
机译:本文将核心理论,未发现的集合以及相关的非主导集合的理论扩展到一般的选择集和选民的任意度量空间。我们研究由简单游戏产生的社会偏好的属性;我们将结果扩展到核心的通用空度;我们证明了未发现和未支配集合的一般非空性;并且当选民的偏好使得核心是非空的且外部稳定的时,我们证明了这些对应关系的上半连续性。最后,我们给出条件,其中不可控制的集合是较低的半连续的。

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