Journal
PACIFIC-BASIN FINANCE JOURNAL
Volume 67, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.pacfin.2021.101571
Keywords
Covid-19; Islamic stock market; Social media coverage; Volatility; Volatility Wavelet coherence phase-difference; Dow Jones Islamic indices; Coherence; Phase difference; Causality; Co-movements; Leads and lags
Categories
Funding
- FCT, I.P., the Portuguese national funding agency for science, research and technology [UIDB/04521/2020]
- Instituto Politecnico de Lisboa as part of the IPL/2020/MacroRates/ISCAL project
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The study uses time-frequency wavelet-based analysis to investigate how media coverage of the Covid-19 pandemic impacted the volatility of Islamic equity indices, revealing varying levels of coherence between the Media Coverage Index and Islamic stocks movements. The low coherence intervals are attributed to the diversification potential of Islamic equity investments during systemic pandemics like Covid-19, with differences observed in patterns exhibited by various indices per sector, indicating their potential role in designing hedging strategies across sectors based on Shariah-compliant companies.
We perform time-frequency wavelet-based analysis to explore how the media coverage of the Covid-19 pandemic influenced the volatility of the Islamic equity indices, covering various sectors of economic activity. Our results show that the coherence between the Media Coverage Index and the moves of the Islamic stocks varies from low and medium to high levels. We attribute the intervals of low coherence to the diversification potential of Islamic equity investments during a systemic pandemic such as Covid-19. We document differences in the patterns exhibited by various indices per sector, showing their potential role for designing hedging strategies across sectors, based on stocks of companies which comply with Shariah.
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