Comparing the collective behavior of banking industry

Hanie. Vahabi, Ali Namaki and Reza Raei

Papers from arXiv.org

Abstract: One of the most important features of capital markets as an adaptive complex networks is their collective behavior. In this paper, we have analyzed the banking sectors of 4 world stock markets,which composed of emerging and matures ones. By applying one the important complexity notions, Random matrix theory(RMT), it is founded that mature markets have a higher degree of collective behavior,Even though we used RMT tools: participation ratio(PR), node participation ratio(NPR)and relative participation ratio(RPR) , which NPR illustrated independent banks than whole market and RPR compared collective behavior of markets by a normal range. By applying local and global perturbations, we concluded that mature markets are more vulnerable to perturbations due to the high level of collective behavior. Finally, by drawing the dendrograms and heat maps of the correlation matrices,

Date: 2020-11
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Persistent link: https://EconPapers.repec.org/RePEc:arx:papers:2011.02026

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