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Evidence of the fractal market hypothesis in European industry sectors with the use of bootstrapped wavelet leaders singularity spectrum analysis

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  • Lahmiri, Salim
  • Bekiros, Stelios
  • Bezzina, Frank

Abstract

The main purpose of this paper is to examine the Fractal Market Hypothesis (FMH) on family business, sustainability, shariah, green, technology, and global (all stocks) markets in European zone. By using the method of bootstrapped wavelet leaders, we found that there is strong evidence in favour of the FMH. Specifically, the analyses of singularity spectrums show evidence that family business, sustainability, technology and global markets exhibit large multifractality during the COVID-19 pandemic compared to the period prior to the pandemic. Hence, these markets became more unpredictable during the pandemic. In contrary, we found strong evidence that the green market exhibits large multifractality before the COVID-19 pandemic compared to the period during the pandemic. Thus, green market became more predictable during the pandemic compared to the period pre-pandemic period. Our findings show that in one hand the COVID-19 pandemic has significantly increased complexity in family business, sustainability, technology and global markets. On the other hand, the pandemic reduced complexity in the green market. We conclude that the green stocks traded in European zone may offer a significant opportunity for hedging portfolios during times of crisis such as the COVID-19 pandemic.

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  • Lahmiri, Salim & Bekiros, Stelios & Bezzina, Frank, 2022. "Evidence of the fractal market hypothesis in European industry sectors with the use of bootstrapped wavelet leaders singularity spectrum analysis," Chaos, Solitons & Fractals, Elsevier, vol. 165(P1).
    • Handle: RePEc:eee:chsofr:v:165:y:2022:i:p1:s0960077922009924
    DOI: 10.1016/j.chaos.2022.112813
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    References listed on IDEAS

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