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表决在社会中的作用及其多种形式

Course video 72 of 82

表决是信息聚合的一种形式,其作用是一群人对一组有限的备选项进行评估。本章首先定义个体成员的偏好具有完备性和传递性两个属性,进而分析了一些表决系统,及其存在的弊病,提出了合理的表决系统应该具有的两个性质:帕累托原则和无关候选项的独立性。展示了在单峰偏好关系下形成表决结果的一种有效方法。

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