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Rethinking financial contagion: Information transmission mechanism during the COVID-19 pandemic

Larisa Yarovaya, Janusz Brzeszczynski, John W. Goodell, Brian Lucey and Chi Keung Lau

Journal of International Financial Markets, Institutions and Money, 2022, vol. 79, issue C

Abstract: Rapidly growing numbers of empirical papers assessing the financial effects of COVID-19 pandemic triggered an urgent need for a study summarising the existing knowledge of contagion phenomenon. This paper provides a review of conceptual approaches to studying financial contagion at four levels of information transmission: (i) Catalyst of contagion; (ii) Media attention; (iii) Spillover effect at financial markets; (iv) Macroeconomic fundamentals. We discuss the unique characteristics of COVID-19 crisis and demonstrate how this shock differs from previous crises and to what extent the COVID-19 pandemic can be considered a ‘black swan’ event. We also review the main concepts, definitions and methodologies that are frequently, but inconsistently, used in contagion literature to unveil the existing problems and ambiguities in this popular area of research. This paper will help researchers to conduct coherent and methodologically rigorous research on the impact of COVID-19 on financial markets during the pandemic and its aftermath.

Keywords: Contagion; COVID-19; Return and volatility transmission; Spillovers effect; Coronavirus; Black swan (search for similar items in EconPapers)
JEL-codes: G01 G14 (search for similar items in EconPapers)
Date: 2022
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Persistent link: https://EconPapers.repec.org/RePEc:eee:intfin:v:79:y:2022:i:c:s1042443122000725

DOI: 10.1016/j.intfin.2022.101589

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Journal of International Financial Markets, Institutions and Money is currently edited by I. Mathur and C. J. Neely

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