|Table of Contents|

Internet financial risk contagion based on SEIS model(PDF)

《南京理工大学学报》(自然科学版)[ISSN:1005-9830/CN:32-1397/N]

Issue:
2019年06期
Page:
800-
Research Field:
Publishing date:

Info

Title:
Internet financial risk contagion based on SEIS model
Author(s):
Mi ChuanminQian Yuanyuan
College of Economics and Management,Nanjing University of Aeronautics andAstronautics,Nanjing 211106,China
Keywords:
internet finance risk contagion complex network method infection rate cure rate latent infection rate
PACS:
F830
DOI:
10.14177/j.cnki.32-1397n.2019.43.06.019
Abstract:
Aiming at the increasing financial risk with the development of internet finance,an internet financial network is constructed using the complex network method,and a susceptible-exposed-infected-susceptible(SEIS)model with latency is established to study the inherent law of internet financial risk network propagation under the influence of single factor and two factors. The results show that:in the case of single factor changing,the higher the infection rate is,the easier the risk spreading is,and higher cure rate can reduce the risk of infection effectively; under the combined effect of two factors,the increase of the conversion rate can affect the number of the final infected nodes with the latent infection rate above 0.2,and the increase of the cure rate can well suppress the influence of the increase of the infection rate on the infection density.

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Last Update: 2019-12-31