带强调事项段无保留审计意见信息含量及其差异性研究

我国上市公司年度财务报表及其审计报告的披露是资本市场信息披露的重要组成部分，审计意见的类型往往是投资者关注的重点对象。２００７－２０１０年，我国沪深两市的上市公司被出具非标准审计意见绝大多数为带强调事项段无保留审计意见，采用事件研究法构建多元回归模型对此类审计意见信息含量及其差异进行研究，有助于提醒信息使用者充分关注并谨慎使用带强调事项段的无保留审计意见信息。

Study on Information Content and Differences of an Unqualified Audit Opinion with an Emphasized Matters Paragraph

The disclosure of annual financial statements and audit reports listed companies in China’s is an important part of capital market information disclosure,the type of audit opinion is often attract attention from investors.From 2007 to 2010,the majority of non-standard audit opinion are Unqualified Audit Opinion with an Emphasized Matters Paragraph of the firms listed in Shenzhen Stock Exchange and Shanghai Stock Exchange.This paper tries to use the method of event study and an econometrical model is established based on the analysis to do a multiple linear regression to further study the Information Content and Its Differences among Unqualified Audit Opinion with Emphasis of Matter Paragraphs.It is helpful to remind information users of full attention to it and use in caution.