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Cryptocurrency spectrum and 2020 pandemic: Contagion analysis

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  • Okorie, David Iheke
  • Lin, Boqiang

Abstract

While several studies evaluate the impacts of the novel coronavirus pandemic on different markets, it is worth the while to also examine its contagion (fractal) effect on the top (based on their market capitalization) twenty cryptocurrency markets. These cryptocurrency markets' information (return and volatility) were sampled for both the ex-ante and ex-post coronavirus outbreak periods for this event study analysis. The detrended cross-correlation approaches are employed for both the main and robustness analyses. The results are robust and confirm a significant fractal contagion effect of the pandemic on the cryptocurrency space through their return and volatility. The contagion effect is relatively stronger for the crypto markets’ volatilities compared to the returns, nonetheless. Hence, this study supports the contagious effect of the coronavirus pandemic on the cryptocurrency markets and its policy implications for investors in the crypto space.

Suggested Citation

  • Okorie, David Iheke & Lin, Boqiang, 2023. "Cryptocurrency spectrum and 2020 pandemic: Contagion analysis," International Review of Economics & Finance, Elsevier, vol. 84(C), pages 29-38.
    • Handle: RePEc:eee:reveco:v:84:y:2023:i:c:p:29-38
    DOI: 10.1016/j.iref.2022.11.007
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    2. Okorie, David Iheke, 2025. "A gentle reminder: Should returns be interpreted as log differences?," International Review of Financial Analysis, Elsevier, vol. 97(C).

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    JEL classification:

    • F36 - International Economics - - International Finance - - - Financial Aspects of Economic Integration
    • N20 - Economic History - - Financial Markets and Institutions - - - General, International, or Comparative
    • O16 - Economic Development, Innovation, Technological Change, and Growth - - Economic Development - - - Financial Markets; Saving and Capital Investment; Corporate Finance and Governance
    • P34 - Political Economy and Comparative Economic Systems - - Socialist Institutions and Their Transitions - - - Finance

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