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政策干预、投资者行为及股票市场波动性的模型分析

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摘要 本文认为:在完全信息的制度环境中,信息政策干预有效,"噪音"政策干预无效,两者既不会引发投资者的羊群行为,也不会引发股票市场的过度波动。在不完全信息的制度环境中,信息政策退化为噪音干预,短期内无效,长期内有效;"噪音"政策干预一度达到目标,但总体上无效。两者都会导致羊群行为和股票市场过度波动。
作者 梁立俊
出处 《金融与经济》 北大核心 2006年第8期27-30,54,共5页 Finance and Economy
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参考文献11

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