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Characterisation of survivability resilience with dynamic stock interdependence in financial networks

机译:金融网络中动态库存相互依赖关系下的生存能力弹性表征

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摘要

This paper examines the dynamic evolutionary process in the London Stock Exchange and uses network statistical measures to model the resilience of stock. A large historical dataset of companies was collected over 40 years (1977-2017) and conceptualised into weighted, temporally evolving and signed networks using correlation-based interdependences. Our results revealed a “fission-fusion” market growth in network topologies, which indicated the dynamic and complex characteristics of its evolutionary process. In addition, our regression and modelling results offer insights for construction a “characterisation tool” which can be used to predict stocks that have delisted and continuing performance relatively well, but were less adequate for stocks with normal performance. Moreover, the analysis of deviance suggested that the survivability resilience could be described and approximated by degree-related centrality measures. This study introduces a novel alternative for looking at the bankruptcy in the stock market and is potentially helpful for shareholders, decision- and policy-makers.
机译:本文研究了伦敦证券交易所的动态演化过程,并使用网络统计方法对股票的弹性进行建模。收集了40多年(1977-2017年)的大型公司历史数据集,并使用基于相关性的相互依赖关系将其概念化为加权,时间演化和签名的网络。我们的结果表明,网络拓扑结构出现了“裂变融合”市场增长,这表明其演进过程具有动态和复杂的特征。此外,我们的回归和建模结果为构建“特征化工具”提供了见解,该工具可用于预测退市和持续表现相对较好,但对于正常表现的股票而言却不足够的股票。此外,对偏差的分析表明,可以通过与程度相关的中心度度量来描述和近似生存能力。这项研究为观察股票市场的破产情况提供了一种新颖的选择,对股东,决策者和决策者有潜在的帮助。

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