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Clustered marginalization of minorities during social transitions induced by co-evolution of behaviour and network structure

机译:行为和网络结构共同演变引发的社会转型中少数群体的边缘化

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摘要

Large-scale transitions in societies are associated with both individual behavioural change and restructuring of the social network. These two factors have often been considered independently, yet recent advances in social network research challenge this view. Here we show that common features of societal marginalization and clustering emerge naturally during transitions in a co-evolutionary adaptive network model. This is achieved by explicitly considering the interplay between individual interaction and a dynamic network structure in behavioural selection. We exemplify this mechanism by simulating how smoking behaviour and the network structure get reconfigured by changing social norms. Our results are consistent with empirical findings: The prevalence of smoking was reduced, remaining smokers were preferentially connected among each other and formed increasingly marginalized clusters. We propose that self-amplifying feedbacks between individual behaviour and dynamic restructuring of the network are main drivers of the transition. This generative mechanism for co-evolution of individual behaviour and social network structure may apply to a wide range of examples beyond smoking.
机译:社会的大规模转型与个人行为的改变和社会网络的重组有关。经常独立地考虑这两个因素,但是社交网络研究的最新进展挑战了这一观点。在这里,我们表明,在共同进化自适应网络模型的过渡过程中,社会边缘化和集群化的共同特征自然而然地出现了。这是通过在行为选择中明确考虑个体交互和动态网络结构之间的相互作用来实现的。我们通过模拟如何通过改变社会规范来重新配置吸烟行为和网络结构来举例说明这种机制。我们的结果与经验发现是一致的:吸烟率降低了,剩余的吸烟者彼此之间优先建立了联系,并形成了越来越边缘化的群体。我们提出,个体行为与网络动态重组之间的自我放大反馈是转变的主要驱动力。个体行为和社交网络结构共同进化的这种生成机制可能适用于除吸烟之外的许多例子。

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