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Risk contagion of COVID-19 in Japanese firms: A network approach

Masayasu Kanno

Research in International Business and Finance, 2021, vol. 58, issue C

Abstract: The novel coronavirus disease (COVID-19) is one of the worst pandemics in human history. Our research objective is to assess the contagion effect on Japanese firms and to evaluate the Japanese government's COVID-19 measures during the period from April 7, 2020, to May 25, 2020. We propose a susceptible-infected-recovered-dead model for COVID-19 and derive COVID-19 parameters for Japan. Subsequently, we analyze the effect of COVID-19 on Japanese firms through correlation-based network and credit risk analyses. The main findings are that the Tokyo Stock Price Index moved in the opposite direction of COVID-19 parameters and COVID-19 parameters are almost the only risk factors that impact a firm's credit risk during the period. Finally, we find that the interconnection analysis between the COVID-19 infection network and the financial networks contribute to the existing pandemic risk management knowledge.

Keywords: COVID-19; Risk contagion; Susceptible-infected-recovered-dead (SIRD) model; Correlation-based network; Stock market; Net cash (search for similar items in EconPapers)
JEL-codes: C51 D85 G10 G32 L14 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (6)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:riibaf:v:58:y:2021:i:c:s0275531921001124

DOI: 10.1016/j.ribaf.2021.101491

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