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Study on the Evolution Mechanism and Survivability of Bank Financing Network

Author: LiFeng
Tutor: XueYaoWen
School: Taiyuan University of Science and Technology
Course: Management Science and Engineering
Keywords: Bank financing network Evolutionary mechanisms Degree distribution Network resilience Invulnerability Network layout
CLC: F224
Type: Master's thesis
Year: 2011
Downloads: 65
Quote: 0
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Abstract


The financial industry is the core of modern economy, the banking industry is the most important part of the entire financial industry, inter-bank funds network security is directly related to the stability of the entire financial system, the banking crisis in the banking network to spread infection. The bank financing the network refers to as the relations of capital flows between nodes, bank by bank account as a side built a network with complex topology. Bank between the existence of complex financial relationships, it will help us to better study the inter-bank financing network invulnerability, and to prevent the banking crisis in the inter-bank network of inter-bank network analysis of the statistical characteristics and contagion infection raised the theoretical basis and reasonable proposals, but also certain theoretical value of bank regulators. From the inter-bank funds, as the starting point for the basic idea of ??the economics to of economic physics and behavior, and the use of complex networks and contagion theory, build the inter-bank market funds network, the network node bank account funds in the inter-bank lending relationship side, evolution mechanism of the inter-bank network and invulnerability, the empirical analysis of bank branches in Taiyuan. The specific content and conclusions are as follows: First, the classification of banks, banking activities in the analysis of the participants as well as the relationship of the bank funds, focusing on the inter-bank lending market research, the formation of the inter-bank lending credit and debt structure relationship, but also the formation of a bank complex network system capital structure. Expression of the bank financing network is constructed on the basis of research on the inter-bank lending characteristics. Second, bank financing network expression determined based on the characteristics of the real inter-bank lending analysis, the use of the theory of complex networks, of economic physics and behavioral economics to the basic idea to build the inter-bank financing network the model, and the model is analytical, result in a large inter-bank network, inter-bank network is scale-free networks, the degree distribution follows a power law index of the power law distribution. The model simulation testing to verify the correctness of the model, the results verify that the model is reasonable. Third, build bank financing networks based on the measure of network connectivity and survivability measure to use crisis infectious and scale-free network theory study on bank financing network survivability, The results show that the crisis transmission of inter-bank network, the target immune than random immunization effect is much better, is to strengthen the asset size, financial strength the the active high lending bank to carry out the purpose of the immune, so that we can in lower bank crisis between the probability of infection control costs and improve the stability of the network of bank financing and invulnerability. Fourth, the inter-bank lending money in the market frequently, funds in the inter-bank lending through various outlets of the outlets of the layout but there is a lot of irrationality. In this paper, the theory of complex networks, the layout of the bank branches in Taiyuan, Taiyuan Agricultural Bank of China, for example analysis results show that the irrationality of the Agricultural Bank of China in Taiyuan on the network layout, the final layout of the outlets improvements put forward a reasonable proposal.

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CLC: > Economic > Economic planning and management > Economic calculation, economic and mathematical methods > Economic and mathematical methods
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