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Extreme dependence and risk spillover across G7 and China stock markets before and during the COVID-19 period

Ahmed Ghorbel (Faculty of Economics and Management of Sfax, Sfax, Tunisia)
Mohamed Fakhfekh (Higher Institute of Business Administration of Sfax, Sfax, Tunisia)
Ahmed Jeribi (Faculty of Economics and Management of Mahdia, Mahdia, Tunisia)
Amine Lahiani (LEO, University of Orléans, Orléans, France)

Journal of Risk Finance

ISSN: 1526-5943

Article publication date: 7 February 2022

Issue publication date: 2 March 2022

337

Abstract

Purpose

The paper analyzes downside and upside risk spillovers between stock markets of G7 countries and China before and during the COVID-19 pandemic.

Design/methodology/approach

By using VAR-ADCC models and conditional value at risk (CoVaR) techniques, downside and upside risk spillovers between stock markets of G7 countries and China are analyzed before and during the COVID-19 pandemic.

Findings

The results suggested existence of a significant and asymmetrical two-way risk transmission between majority of pair markets, but the degree of asymmetry differs according to the use of the entire cumulative distributions or distribution tails. Downside and upside risk spillovers are significantly larger before the COVID-19 pandemic in all cases except between CAC 40/DAX and S&P/SSE pairs.

Originality/value

The paper used CoVaR and delta-CoVaR to investigate the downside and upside spillovers between stock markets of G7 countries and China before and during the COVID-19 pandemic.

Keywords

Acknowledgements

This paper forms part of a special section “Technological disruption, Innovation and Global wellbeing”, guest edited by Faten Ben Bouheni and Duc Khuong Nguyen.

Citation

Ghorbel, A., Fakhfekh, M., Jeribi, A. and Lahiani, A. (2022), "Extreme dependence and risk spillover across G7 and China stock markets before and during the COVID-19 period", Journal of Risk Finance, Vol. 23 No. 2, pp. 206-244. https://doi.org/10.1108/JRF-11-2021-0179

Publisher

:

Emerald Publishing Limited

Copyright © 2022, Emerald Publishing Limited

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