Collective Dynamic Choice: The Necessity of Time Inconsistency

Collective Dynamic Choice: The Necessity of Time Inconsistency
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集体动态选择:时间不一致的必要性

DOI:
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发表时间:
2014
期刊:
影响因子:
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通讯作者:
Leeat Yariv
Leeat Yariv
中科院分区:
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文献类型:
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作者:
M. Jackson;Leeat Yariv

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我们研究集体决策的时间贴现个人选择一个共同的消费流。我们证明了在时间偏好存在异质性的情况下,每一个帕累托有效和非独裁的聚合效用函数方法都必须是时间不一致的。我们还表明,通过非独裁投票方法做出的决定是不可及的。
We study collective decisions by time-discounting individuals choosing a common consumption stream. We show that with any heterogeneity in time preferences, every Pareto efficient and non-dictatorial method of aggregating utility functions must be time-inconsistent. We also show that decisions made via non-dictatorial voting methods are intransitive.