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上市公司的公告发布对于A、B股价的影响比较

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摘要 通过事件研究法,比较2009年度A股和B股对于年报、半年报和三季度公告的反应程度,检验两市的有效性。实证表明,"利多"的公司公告对于A股的影响明显强于B股,而"利空"公告对于两个市场股价影响的差别并不明显。
作者 徐佳昊
出处 《才智》 2010年第12期40-40,共1页 Ability and Wisdom
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