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模仿内部人交易超常收益实证研究

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摘要 本文以2007年至2012年沪深股票市场上市公司为样本来研究外部人模仿内部人交易(买入并持有一年)能否获利。本文实证结果发现:外部人模仿内部人买入可获得正的超常收益,模仿内部人买入所获得的收益主要由规模较小的公司驱动;总体而言,外部人模仿内部人卖出只能获得负的超常收益,但模仿内部人卖出规模较大的公司的股票可获得正的超常收益;在扣除交易成本后上述结论仍然成立。
作者 张芳芳
出处 《中国物价》 2015年第9期46-48,54,共4页 China Price
基金 中国人民大学科学研究基金中央高校基本科研业务费专项资金资助项目(编号:15XNH002)
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参考文献7

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