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arXiv 1601.07060physics.soc-phcond-mat.stat-mech
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比例选举中选票分布的幂律尾

On the Power-Law Tails of Vote Distributions in Proportional Elections

Filippo Palombi, Simona Toti

摘要:

在开放名单的比例选举中,候选人获得的相对于名单平均值的偏好超出量遵循普适对数正态分布。我们发现,对数正态性被打破提供的偏好是有条件的列表与许多候选人。在此极限下,出现幂律尾部。我们研究了大名单限制的淬火近似的口碑模型的框架下引入的Quanzato和Castellano(Phys.Rev.Lett.99(13):138701,2007),其中的代理人的积极性被减轻和代理人之间的相互作用的噪音被平均。然后,我们认为,我们的分析适用于原始模型以及作必要的修改。

英文摘要:

In proportional elections with open lists the excess of preferences received by candidates with respect to the list average is known to follow a universal lognormal distribution. We show that lognormality is broken provided preferences are conditioned to lists with many candidates. In this limit power-law tails emerge. We study the large-list limit in the framework of a quenched approximation of the word-of-mouth model introduced by Fortunato and Castellano (Phys.Rev.Lett.99(13):138701,2007), where the activism of the agents is mitigated and the noise of the agent-agent interactions is averaged out. Then we argue that our analysis applies mutatis mutandis to the original model as well.

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