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Impacts of COVID-19 local spread and Google search trend on the US stock market

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  • Dey, Asim K.
  • Hoque, G.M. Toufiqul
  • Das, Kumer P.
  • Panovska, Irina

Abstract

We develop a novel temporal complex network approach to quantify the US county level spread dynamics of COVID-19. We use both conventional econometric and Machine Learning (ML) models that incorporate the local spread dynamics, COVID-19 cases and death, and Google search activities to assess if incorporating information about local spreads improves the predictive accuracy of models for the US stock market. The results suggest that COVID-19 cases and deaths, its local spread, and Google searches have impacts on abnormal stock prices between January 2020 to May 2020. Furthermore, incorporating information about local spread significantly improves the performance of forecasting models of the abnormal stock prices at longer forecasting horizons.

Suggested Citation

  • Dey, Asim K. & Hoque, G.M. Toufiqul & Das, Kumer P. & Panovska, Irina, 2022. "Impacts of COVID-19 local spread and Google search trend on the US stock market," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 589(C).
    • Handle: RePEc:eee:phsmap:v:589:y:2022:i:c:s0378437121006968
    DOI: 10.1016/j.physa.2021.126423
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    Cited by:

    1. Costola, Michele & Hinz, Oliver & Nofer, Michael & Pelizzon, Loriana, 2023. "Machine learning sentiment analysis, COVID-19 news and stock market reactions," Research in International Business and Finance, Elsevier, vol. 64(C).
    2. Kerry Liu, 2023. "America's decoupling from China: A perspective from stock markets," Economic Affairs, Wiley Blackwell, vol. 43(1), pages 32-52, February.
    3. Terver Kumeka & Oluwatosin Adeniyi, 2023. "Stock markets response to contagious disease: Evidence on the impact of COVID‐19 in the three worst hit African economies," International Journal of Finance & Economics, John Wiley & Sons, Ltd., vol. 28(4), pages 4476-4499, October.
    4. Beatrice Franzolini & Alexandros Beskos & Maria De Iorio & Warrick Poklewski Koziell & Karolina Grzeszkiewicz, 2022. "Change point detection in dynamic Gaussian graphical models: the impact of COVID-19 pandemic on the US stock market," Papers 2208.00952, arXiv.org, revised May 2023.

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