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投资者资产组合选择行为的投资期限效应研究

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摘要 在投资领域,是否1年期投资者的资产组合构成与20年期投资者的资产组合构成相一致?直觉上以及专业机构对于问题的回答都是否定的。然而,传统金融理论认为投资期限与最优资产组合选择无关。研究表明:由于股票资产收益均值回归特性的客观存在,风险资产长期视角的风险小于短期视角的风险,长期投资者最优资产组合中的风险资产的权重要高于短期投资者的风险资产的权重。由此本文提出重要的政策建议,随着我国资本市场的完善,我国保险公司、社保基金和企业年金等长期投资者可相应提高在股票类风险资产的投资比例上限。
出处 《金融研究》 CSSCI 北大核心 2007年第07B期14-24,共11页 Journal of Financial Research
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