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The paper investigates the determinants of the idiosyncratic volatility puzzle by allowing linkages across asset … based on Granger causality test have lower expected returns, not related to idiosyncratic volatility. Secondly, empirical … evidence indicates that stocks with higher idiosyncratic volatility have the lower exposition on the indegree risk factor. …
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market price of risk. We show empirically that a conditional CAPM that accounts for time variation in equity nonlinearity …
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) Time varying volatility. (ii) Positive volume-volatility relation. (iii) Ambiguous volume-persistance relation. Finally …
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The joint-hypothesis problem casts doubt on the results of market efficiency research. Specifically, it is hard to assess to what extent financial markets reflect economic fundamentals or mispricing. To address this issue, we study price formation in a large virtual asset market where...
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