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volatility series are being tested for significant reactions to the Brexit event. The results indicate mixed results regarding … the abnormal cumulative return series, but the volatility series were found to be significantly affected by the mentioned … political and economic events in order to tailor international portfolios in a way to hedge from risk. …
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We study the impact of economic policy uncertainty (EPU) shocks on the long-run stock market variances and correlations, primarily for the US and the UK. We find that US EPU shocks affect both US and UK stock market long-run variances and correlation, but UK EPU shocks only affect its own...
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, to February 12, 2021, this study documents a strong positive comovement between implied volatility indices and two … proxies of the COVID-19 fear. However, in all the cases, the infectious disease equity market volatility index (IDEMVI), the … COVID-19 proxy that is more representative of the stock market, exhibits a stronger positive comovement with volatility …
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