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The wasted vote phenomenon with uncertain voter population

机译:选民人数不确定的投票浪费现象

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摘要

Palfrey (A mathematical proof of Duvergers law, 1989) shows that in large electorates with deterministic voter population, the expected equilibrium vote share of the weakest party tends to zero asymptotically. We extend this result to the uncertain case where the number of valid votes is a random variable satisfying a mild condition. Special cases include the degenerate, Poisson, binomial, and negative binomial distributions. In particular, we demonstrate that no matter how the number of valid votes fluctuates, as the probability of having a large number of valid votes approaches one, the expected equilibrium vote shares of the weak parties are asymptotically negligible.
机译:帕尔弗雷(Davergers法则的数学证明,1989)表明,在具有确定性选民人数的大型选民中,最弱势党的预期均衡选票份额趋于渐近为零。我们将此结果扩展到不确定情况下,即有效票数是满足温和条件的随机变量。特殊情况包括简并,泊松,二项式和负二项式分布。尤其是,我们证明,无论有效票数如何波动,随着拥有大量有效票数的概率接近一个,弱方的预期均衡投票份额在渐近上可以忽略不计。

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  • 来源
    《Social Choice and Welfare》 |2011年第3期|471-492|共22页
  • 作者

    Yuelan Chen; Aihua Xia;

  • 作者单位

    School of Economics University of Queensland St Lucia QLD 4072 Australia;

    Department of Mathematics and Statistics The University of Melbourne Melbourne VIC 3010 Australia;

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  • 正文语种 eng
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