Study On The Auditor Changes And Its Impact Leaded By The Listed Companies

About auditor changes, the research has a history of 40 years in the west, and also has acquired many achievements, but in China, although the market of stock starts much later, but with the development and improvement of the stock market, the phenomenon of auditor changes in listed companies become more and more common in recent years, and most are based on the listed companies as the leading, so in this thesis,the author makes it as a starting point,tries to make a study on the influence factors and the impact of the auditor changes leaded by the listed companies in recent years.First, on the basis of background and significance analysis of auditor changes, the paper reviews the interrelated literature and achievements from abroad and domestic, discusses the meaning and theory of auditor changes; secondly, under the guidance of relevant theories, the paper uses the descriptive statistical method to analyze the status of auditor changes of our country and the situation of the auditor changes disclosure of information based on the leading of listed companies, then make a detailed analysis of the factors that affect the auditor changes; thirdly,followed by the analysis of the status, based on a sample of all listed companies who change their auditors between 2007 and 2008, the author selects the appropriate variables, makes the assumptions, gathers the sample data, builds Logistic regression models, then by the empirical methods,the paper validates the research hypothesis and identifies the main influence factors of auditor changes based on the results of regression analysis in recent years, we can get the main factors that affect auditor changes are audit opinion, off-site audit, auditors differential, change of the first place shareholder and time of the annual report disclosure and so on, while, through the sub-annual sample analysis, we can get the impact of off-site that affect auditor changes of listed companies reduce, while the impact of auditor differential strengthen.Then, combined the results of empirical analysis, the paper analyzes the possible impact on the listed companies and auditor industry, include to improve of the audit opinion and enhance the credibility of the listed company information, disrupt the competition order of the audit market, promote the standardization of the CPA and so on.Finally the paper proposes some policy recommendations for the regulation of auditor changes, include to improve and perfect the information disclosure system of auditor changes and regulate the listed companies and auditor industry.