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return volatility. Further, our results do not support the argument that a larger investor response to Street earnings might …
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Recent advances in natural language processing have contributed to the development of market sentiment measures through text content analysis in news providers and social media. The effectiveness of these sentiment variables depends on the implemented techniques and the type of source on which...
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and the influences of volatility. Using a sample of 46 stocks listed in the Stock Exchange of Thailand, in this paper, an … event study technique is developed considering idiosyncratic volatility to analyze the reactions of stock prices and market … volatility in Thailand during the period of the pandemic. The empirical results suggest that most securities in the Thai stock …
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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 …
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