Investor Sentiment, Disagreement, and Breadth-Return Relationship
Investor Sentiment, Disagreement, and Breadth-Return Relationship
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投资者情绪、分歧和广度-回报关系
DOI:
10.2139/ssrn.1743848
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发表时间:
2012-07
影响因子:
5.4
通讯作者:
Liyan Yang
中科院分区:
文献类型:
--
作者:
Ling Cen;Hai Lu;Liyan Yang
We study the cross-sectional breadth--return relation by assuming that investors subject to market sentiment hold a biased belief in the aggregate. With a dynamic multiasset model, we predict that the breadth--return relationship can be either positive or negative depending on the relative strength of two offsetting forces---disagreement and sentiment. We find evidence consistent with our predictions. The breadth--return relationship is positive when the sentiment effect is small. However, the relationship becomes negative when (i) the time-series variation of market-wide sentiment is high and (ii) the cross-sectional dispersion of firm-specific exposure to market-wide sentiment variation is large. Our unified framework reconciles a few seemingly inconsistent empirical studies in this literature and explains puzzling cross-sectional return patterns observed during the Internet bubble and the subprime crisis periods. This paper was accepted by Brad Barber, finance.
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