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原文連結
論文資訊
- 類型：已發表論文
- 日期：2009
摘要
We study opinion formation processes in small 社會 網絡s. In particular we show how a group's ability for efficient decision-making depends on its size. We adopt a threshold voter model and show that there exists a characteristic size beyond which the probability of forming internal factions - and thus absence of consensus - undergoes a qualitative change. Our work is empirically motivated by an apparent correlation between the size of a decision-making-group and its performance in the particular case of national governments. (C) 2009 Elsevier B.V. All rights reserved.
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