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Tests of excessive volatility along the lines of Shiller (1981) and Leroy and Porter (1981) count among the most convincing pieces of evidence against the validity of the time-honored efficient market hypothesis. Recently, using Shiller s distinction between ex-ante rational (fundamental) price...
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We provide an entropy approach for measuring asymmetric comovement between the return on a single asset and the market …. Moreover, our approach also provides an entropy-based measure of downside asymmetric comovement. In the cross-section of stock …
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