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aggregate shocks. Volatility spillovers proved to be small and volatile. …
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. Positive (negative) news have significant positive (negative) effects on stock returns in all cases. Their volatility has a … significant impact on both stock returns and volatility; specifically, an increase in news volatility is always associated with a …
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follows. Positive (negative) news have significant positive (negative) effects on stock returns in all cases. Their volatility … has a significant impact on both stock returns and volatility; specifically, an increase in news volatility is always …
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