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行为金融:过度自信与混合期望收益模型 被引量:7

Behavioral Finance: Overconfidence and Mixed Expected Earning Model
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摘要 本文以投资者的过度自信心理为基础,研究了投资心理对证券期望收益的影响,并基于投资者的理性心理和过度自信心理建立了混合期望收益模型,证明了CAPM模型为混合期望收益模型的特殊模型,当不存在过度自信投资心理时,混合期望收益模型退化为CAPM模型。 On the basis of the investor's overconfidence, this paper studies the impact of investor's psychology on expected securities earning, and, builds the mixed expected earning model, proving that CAPM model is the special one, to which MEEmodel will degenerate when there is no overconfidence.
出处 《当代经济科学》 CSSCI 北大核心 2004年第1期25-28,共4页 Modern Economic Science
基金 国家杰出青年基金(70025303) 教育部跨世纪优秀人才基金。
关键词 行为金融 过度自信 混合期望收益 权重混合期望收益 投资者 投资心理 behavioral finance overconfidence mixed expected earning weighted expected earning
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