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Comovement Revisited

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NBER2015-06-01 更新2025-01-04 收录
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https://www.nber.org/papers/w21281
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Recent evidence of excessive comovement among stocks following index additions (Barberis, Shleifer, and Wurgler, 2005) and stock splits (Green and Hwang, 2009) challenges traditional finance theory. Based on a simple model, we show that the bivariate regressions relied upon in the literature often
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2015-06-01
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