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异质信念与盈余惯性——基于中国股票市场的实证分析
Id:2089
Date:20131014
Status:published
ClickTimes:
作者
陈国进, 张贻军, 王景
正文
以2003-2005年沪深两市上市公司为样本,以意外成交量作为异质信念的代理变量,通过检验异质信念与盈余惯性的关系,发现盈余公告后续的长期收益随着投资者对年报信息意见分歧的增大而严格减小。这一研究支持了Miller(1977)假说;同时也表明在投资者对盈余信息存在异质信念的情形下,中国股市禁止卖空的制度性缺陷将悲观投资者拒之门外,而乐观投资者推动股价高估,导致股票和市场都存在较大的投机性泡沫。
JEL-Codes:
关键词:
异质信念; 卖空限制; 盈余惯性;
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