Statistics physics helps financial network analysis
June 23, 2021 07:58 Source: "China Social Sciences" June 23, 2021, Issue 2192 Author: Wang Youran/Compilation

 bet365 best casino games Multi -country scholars proposed,Statistics physics can be the structure of the research financial network、Dynamic、Stability and instability provide new indicators and models。World Technology Research News Information Network Recently reported,Associate Professor Diego Garlaschelli, Associate Professor of the Institute of High Research, Italy、Assistant Professor Tiziano Squartini and others, "Financial Network Physics",Study on the use of statistical physics interpretation in the past 15 years。

bet365 live casino games According to the introduction of Galas Kelly,Each financial institution is connected by a global interactive network,Its structure can be quantitative analysis with network theory。Retail Bank、Investment Bank、Insurance Company、Investment Fund、Central Bank、Non -financial enterprises、Resident families are nodes on the Internet,The dependence between them constitutes the connection of the network。Policy makers and regulators traditionally adopted the model of the financial system describing the collection of financial systems as a collection of isolated subjects,or a homogeneous mixture,The same way of interaction of all subjects。But,2008 global financial crisis bet365 live casino games indicates,These two descriptions are too simple,The structure of the financial system is highly heterogeneous and staggered。When the crisis broke out,The bankruptcy of some banks causes bankruptcy with other banks related to it,The dynamics of the coupling effect depends to a large extent on the specific mode of connecting each other。This can be seen,Network theory is suitable for analyzing the interaction of financial network structure、The heterogeneity of the individual characteristics of the financial subject、Dynamics of risk communication,Especially the infection of instability in financial institutions。

Galas Kelly said,The risk of the financial network is systemic,That is, the risk is generated Bet365 app download and assumed by the entire system,Collective phenomenon like physics research。The extraordinary generalization of the statistical physics framework can be used to speculate the key attributes of the bank's interbank network,Evaluate the risk of the financial system more accurately。Financial Network is a new research field of modern physics,Statistical physics The relationship between the micro -attributes and macro attributes of the system composed of multiple elements and the macro attribute。

A study of a study in cooperation with the Central Bank of the Dutch Central Bank of Galas Kelly found,Although the global financial crisis in 2008 is an accident for traditional models,But through network analysis,Bet365 app download In fact, you can predict the crisis for three years in advance。Another,Financial institutions need to adopt network models more comprehensively in risk assessment,This is also reflected in the policy action and discussion of the highest -level financial institutions in the United States and the European Union。

  (Wang Youran/Compilation

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