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the market volatility and asymmetric behavior of Bitcoin, EUR, S&P 500 index, Gold, Crude Oil, and Sugar during the COVID … returns data ranging from 27 November 2018 to 15 June 2021. The empirical findings show a high level of volatility persistence …
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Conditional Heteroscedasticity (EGARCH) procedures to develop stock volatility models for the pre- and COVID-19 era. The Fixed … volatility and the COVID-19 occurrence based on equity market indices and COVID-19 reported cases of five emerging African … differencing and the model results indicated that the stock volatility of all the countries responded sharply to the outbreak of …
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