Diffusion in complex social networks

被引：154
|
作者：
Lopez-Pintado, Dunia [1 ]
机构：
[1] Univ Autonoma Barcelona, Dept Econ Hist Econ, Bellaterra 08193, Spain
来源：
GAMES AND ECONOMIC BEHAVIOR | 2008年 / 62卷 / 02期
关键词：
social networks; diffusion; mean-field theory; connectivity; hysteresis;
D O I：
10.1016/j.geb.2007.08.001
中图分类号：
F [经济];
学科分类号：
02 ;
摘要：
This paper studies how a behavior spreads in a population. We consider a network of interacting agents whose actions are determined by the actions of their neighbors, according to a simple diffusion rule. We find, using a mean-field approach, the threshold for the spreading rate above which the behavior spreads and becomes persistent in the population. This threshold crucially depends on the connectivity distribution of the social network and on specific features of the diffusion rule. (c) 2007 Elsevier Inc. All rights reserved.
引用
收藏
页码：573 / 590
页数：18
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