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Co-movements in sector price indexes during the COVID-19 crisis: Evidence from the US

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  • Nammouri, Hela
  • Chlibi, Souhir
  • Labidi, Oussama

Abstract

This paper is an examination of co-movements between sector indexes in the United States prior to and during the COVID-19 period. Using daily data between January 2013 and July 2020, this study is the first to examine sectoral cointegration, as well as how contagion occurs from one healthcare sector to others. We find that only five sectors reacted to the shock to the healthcare sector. Our findings can assist policymakers in appropriately responding to the current crisis and tackling potential pandemics in the future. Our findings are also valuable for stockholders in terms of predicting price changes and improving portfolio diversification.

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  • Nammouri, Hela & Chlibi, Souhir & Labidi, Oussama, 2022. "Co-movements in sector price indexes during the COVID-19 crisis: Evidence from the US," Finance Research Letters, Elsevier, vol. 46(PA).
    • Handle: RePEc:eee:finlet:v:46:y:2022:i:pa:s1544612321003299
    DOI: 10.1016/j.frl.2021.102295
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    2. Ghouse, Ghulam & Bhatti, Muhammad Ishaq & Aslam, Aribah & Ahmad, Nawaz, 2023. "Asymmetric spillover effects of Covid-19 on the performance of the Islamic finance industry: A wave analysis and forecasting," The Journal of Economic Asymmetries, Elsevier, vol. 27(C).

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