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The COVID-19 pandemic has elevated both the risk and volatility of energy companies. Can mass vaccinations restore … 2020 to April 2021. We document that vaccination programs assist in decreasing the volatility of energy stocks around the … volatility measurement approach. Moreover, the effect is not driven by the dynamics of the pandemic itself or the associated …
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The 2019 COVID-19 pandemic led to an economic slowdown worldwide and shook the investment world. Pharmaceutical … employed for vaccine news announcements between 2 January 2020 and 4 March 2022. Stock returns and volatility were analyzed … volatility was observed for Pfizer, Moderna, and the S&P 500 index stocks immediately before positive vaccine development …
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1 pandemic caused an increase in BIST 100 Index volatility, and negative news rather than positive news was effective on … BIST 100 volatility. In addition, the effects of COVID-19 pandemic on BIST in the current situation were evaluated. During … the pandemic period, the excessive increase in volatility and the negative trend in the return series are remarkable …
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