上市公司内控评审信息对股价的影响

The impact of listed companies' internal control auditing on stock price

我国上市公司的内部控制虽然已渐趋完善,但仍存在着问题,因此须进一步改进完善。以我国深市60家上市公司为研究对象,考察注册会计师对上市公司与财务报告相关内部控制出具不同审计意见报告对其股价的影响情况。实证研究发现:我国深市对2007-2009年披露的内控评审意见是具有信息含量的,资本市场对CPA出具标准内控评审意见的上市公司股价有显著的正面反应,非标准审计意见则与其相反。根据理论和实证研究结果,向相关部门提出一些政策性建议。

This article chooses 60 listed companies of Shenzhen Stock Exchange in China as the research object,and inspects the effects of different audit opinion reports from Certified Public Accountant（CPA）,according to the listed companies and their financial reporting internal control,on the share prices of the listed companies.The empirical study reaches a conclusion that there are information included in the information disclosure of internal control auditing from 2007 to 2009 in the Shenzhen stock exchange.The capital market has a significant positive response to the standard audit opinion of CPA issued and a negative respowse to non-standard.After that,it makes some policy recommendations based on theoretical and empirical research results.