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dui wo guo chuang ye ban shi chang you xiao xing de jian yan
Author(s): 
Pages: 102-106
Year: Issue:  5
Journal: Economic Tribune

Keyword:  有效市场创业板ADF检验事件研究;
Abstract: 市场有效性是金融经济学的核心问题之一,本文以有效市场假设理论为基础,选取我国创业板股票市场作为研究对象,分别通过ADF检验和事件研究法,检验了我国创业板股票市场的有效性.结论表明,所选取样本在1%的显著性水平下全部满足随机游走模型,我国创业板市场已经达到弱势有效,但市场价格对红利消息并没有做出合理的反应,说明我国创业板市场尚未达到半强势有效.可见,内部信息对于投资者获取超额利润仍是一个重要因素.
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