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US policy responses to the COVID-19 pandemic and sectoral stock indices: A fractional integration approach

Author

Listed:
  • Guglielmo Maria Caporale
  • Luis Alberiko Gil-Alana
  • Emmanuel Joel Aikins Abakah

Abstract

This paper uses fractional integration to assess the impact of US policy responses to the COVID-19 pandemic on 10 US sectoral stock indices from 1 January 2020 to 11 June 2021. The results provide evidence of mean reversion in most cases and suggest that the Effective Federal Funds Rate and monetary and fiscal announcements are the most effective policy tools.

Suggested Citation

  • Guglielmo Maria Caporale & Luis Alberiko Gil-Alana & Emmanuel Joel Aikins Abakah, 2023. "US policy responses to the COVID-19 pandemic and sectoral stock indices: A fractional integration approach," Applied Economics, Taylor & Francis Journals, vol. 55(3), pages 283-292, January.
    • Handle: RePEc:taf:applec:v:55:y:2023:i:3:p:283-292
    DOI: 10.1080/00036846.2022.2086686
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    Cited by:

    1. is not listed on IDEAS
    2. Deniz Erer & Elif Erer & Selim Güngör, 2023. "The aggregate and sectoral time-varying market efficiency during crisis periods in Turkey: a comparative analysis with COVID-19 outbreak and the global financial crisis," Financial Innovation, Springer;Southwestern University of Finance and Economics, vol. 9(1), pages 1-25, December.
    3. Graziano, Elvira Anna & Fattobene, Lucrezia & Ricci, Ornella & Scimone, Xenia, 2023. "Market reactions to Recovery Fund press releases during COVID-19: An event-study analysis," Economics Letters, Elsevier, vol. 230(C).
    4. Emmanuel Joel Aikins Abakah & Guglielmo Maria Caporale & Luis A. Gil-Alana, 2022. "Cryptocurrencies, Technology Stocks, Covid-19 and US Policy Responses: A Fractional Integration Analysis," CESifo Working Paper Series 9624, CESifo.

    More about this item

    JEL classification:

    • C22 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Time-Series Models; Dynamic Quantile Regressions; Dynamic Treatment Effect Models; Diffusion Processes
    • C32 - Mathematical and Quantitative Methods - - Multiple or Simultaneous Equation Models; Multiple Variables - - - Time-Series Models; Dynamic Quantile Regressions; Dynamic Treatment Effect Models; Diffusion Processes; State Space Models
    • G15 - Financial Economics - - General Financial Markets - - - International Financial Markets

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