Decoupling Between the Energy and Semiconductor Sectors During the Pandemic: New Evidence from Wavelet Analysis

References

• Cepoi, C.-O. 2020. Asymmetric dependence between stock market returns and news during COVID-19 financial turmoil. Finance Research Letters 36:101658. doi:10.1016/j.frl.2020.101658.
   PubMed Web of Science ®Google Scholar
• Gabor, D. 1946. Theory of communication. Journal of the Institution of Electrical Engineers – Part III: Radio and Communication Engineering 93:429–41. doi:10.1049/ji-3-2.1946.0074.
   Google Scholar
• Goodell, J. 2020. COVID-19 and finance: Agenda for future research. Finance Research Letters 35: 101512. doi:10.1016/j.frl.2020.101512
   PubMed Web of Science ®Google Scholar
• Goodell, J., and S. Goutte. 2020. Co-movement of COVID-19 and Bitcoin: Evidence from wavelet coherence analysis. Finance Research Letters 38: 101625. doi:10.1016/j.frl.2020.101625
   PubMed Web of Science ®Google Scholar
• Goupillaud, P., A. Grossman, and J. Morlet. 1984. Cycle-octave and related transforms in seismic signal analysis. Geoexploration 23:85–102. doi:10.1016/0016-7142(84)90025-5.
   Google Scholar
• Gubareva, M. 2021. The impact of the COVID-19 on liquidity of emerging market bonds. Finance Research Letters 41:101826. doi:10.1016/j.frl.2020.101826.
   Web of Science ®Google Scholar
• Gubareva, M., and Z. Umar. 2020. Emerging market debt and the COVID-19 pandemic: A time-frequency analysis of spreads and total returns dynamics. International Journal of Finance & Economics. doi:10.1002/ijfe.2408.
   Web of Science ®Google Scholar
• Gubareva, M., Z. Umar, T. Teplova, and X. V. Vo. 2022. Flights-to-quality from EM bonds to safe-haven US treasury securities: A time-frequency analysis. Emerging Markets Finance and Trade 1–25. doi:10.1080/1540496X.2022.2103399.
   Web of Science ®Google Scholar
• Huang, W., and Y. Zheng. 2020. COVID-19: Structural changes in the relationship between investor sentiment and crude oil futures price. Energy Research Letters 1 (2). doi:10.46557/001c.13685.
   Google Scholar
• Jawadi, F., N. Jawadi, and A. Cheffou. 2020. Wavelet analysis of the conventional and Islamic stock market relationship ten years after the global financial crisis. Applied Economics Letters 27 (6):466–72. doi:10.1080/13504851.2019.1631438.
   Web of Science ®Google Scholar
• Jawadi, F., W. Louhichi, H. Ameur, and A. Cheffou. 2016. On oil-US exchange rate volatility relationships: An intraday analysis. Economic Modelling 59:329–34. doi:10.1016/j.econmod.2016.07.014.
   Web of Science ®Google Scholar
• Kenourgios, D., Z. Umar, and P. Lemonidi. 2020. On the effect of credit rating announcements on sovereign bonds: International evidence. International Economics 163:58–71. doi:10.1016/j.inteco.2020.04.006.
   Google Scholar
• Morlet, J., G. Arens, E. Fourgeau, and D. Giard. 1982a. Wave propagation and sampling theory – Part I: Complex signal and scattering in multilayered media. Geophysics 47:203–21. doi:10.1190/1.1441328.
   Web of Science ®Google Scholar
• Morlet, J., G. Arens, E. Fourgeau, and D. Giard. 1982b. Wave propagation and sampling theory – Part II: Sampling theory and complex waves. Geophysics 47:222–36. doi:10.1190/1.1441329.
   Web of Science ®Google Scholar
• Narayan, P. K. 2021. COVID-19 research outcomes: An agenda for future research. Economic Analysis and Policy 71:439–45. doi:10.1016/j.eap.2021.06.006.
   Web of Science ®Google Scholar
• Padhan, R., and K. P. Prabheesh. 2021. The economics of COVID-19 pandemic: A survey. Economic Analysis and Policy 70:220–37. doi:10.1016/j.eap.2021.02.012.
   PubMed Web of Science ®Google Scholar
• Riaz, Y., C. Shehzad, and Z. Umar. 2019. Pro-cyclical effect of sovereign rating changes on stock returns: A fact or factoid? Applied Economics 51 (15):1588–601. doi:10.1080/00036846.2018.1527465.
   Web of Science ®Google Scholar
• Riaz, Y., C. T. Shehzad, and Z. Umar. 2021. The sovereign yield curve and credit ratings in GIIPS. International Review of Finance 21 (3). doi:10.1111/irfi.12306.
   Web of Science ®Google Scholar
• Stereńczak, S., A. Zaremba, and Z. Umar. 2020. Is there an illiquidity premium in frontier markets? Emerging Markets Review 42:100673. doi:10.1016/j.ememar.2019.100673.
   Web of Science ®Google Scholar
• Torrence, C., and G. P. Compo. 1998. A Practical Guide to Wavelet Analysis. Bulletin of the American Meteorological Society 79:61–78. doi:10.1175/1520-0477(1998)079.
   Web of Science ®Google Scholar
• Torrence, C., and P. J. Webster. 1999. Interdecadal Changes in the ENSO-Monsoon System. Journal of Climate 12:2679–2690. doi:10.1175/1520-0442(1999)012<2679.
   Web of Science ®Google Scholar
• Umar, Z., and M. Gubareva. 2020. A time–frequency analysis of the impact of the COVID-19 induced panic on the volatility of currency and cryptocurrency markets. Journal of Behavioral and Experimental Finance 28:100404. doi:10.1016/j.jbef.2020.100404.
   PubMed Web of Science ®Google Scholar
• Umar, Z., and M. Gubareva. 2021. Faith-based investments and the COVID-19 pandemic: Analyzing equity volatility and media coverage time-frequency relations. Pacific-Basin Finance Journal 67:101571. doi:10.1016/j.pacfin.2021.101571.
   Web of Science ®Google Scholar
• Umar, Z., M. Gubareva, M. Naeem, A. Akhter, and P. Caraiani. 2021c. Return and volatility transmission between oil price shocks and agricultural commodities. Plos One 16 (2):e0246886. doi:10.1371/journal.pone.0246886.
   PubMed Web of Science ®Google Scholar
• Umar, Z., M. Gubareva, and T. Teplova. 2021a. The impact of COVID-19 on commodity markets volatility: Analyzing time-frequency relations between commodity prices and coronavirus panic levels. Resources Policy 73:102164. doi:10.1016/j.resourpol.2021.102164.
   PubMed Web of Science ®Google Scholar
• Umar, Z., Y. Manel, Y. Riaz, and M. Gubareva. 2021b. Return and volatility transmission between emerging markets and US debt throughout the pandemic crisis. Pacific-Basin Finance Journal 67:101563. doi:10.1016/j.pacfin.2021.101563.
   Web of Science ®Google Scholar
• Umar, Z., C. T. Shehzad, and A. Samitas. 2019. The demand for eurozone stocks and bonds in a time-varying asset allocation framework. European Journal of Finance 25 (11). doi:10.1080/1351847X.2018.1564690.
   Web of Science ®Google Scholar
• Umar, Z., and T. Suleman. 2017. Asymmetric return and volatility transmission in conventional and Islamic equities. Risks 5 (2):22. doi:10.3390/risks5020022.
   Web of Science ®Google Scholar
• Vacha, L., and J. Barunik. 2012. Co-movement of energy commodities revisited: Evidence from wavelet coherence analysis. Energy Economics 34 (1):241–247.
   Web of Science ®Google Scholar
• Zaremba, A., A. Szyszka, A. Karathanasopoulos, and M. Mikutowski. 2021. Herding for profits: Market breadth and the cross-section of global equity returns. Economic Modelling 97:348–64. doi:10.1016/j.econmod.2020.04.006.
   Web of Science ®Google Scholar
• Zaremba, A., Z. Umar, and M. Mikutowski. 2019. Inflation hedging with commodities: A wavelet analysis of seven centuries worth of data. Economics Letters 181. doi:10.1016/j.econlet.2019.05.002.
   Web of Science ®Google Scholar