The Research On The Relationship Between Abnormal Audit Fee And Opinion Shopping

The building foundation of modern enterprise system is the separation of the right of ownership from the right of management. And property owners and stakeholders need to assess and supervise the condition of execution of fiduciary operation responsibility of manager,the most important basis is the accounting information announced by the manager.Then,the proprietor and other interest counterparts need the auditor as independent third party to verify the autheniicity,fairness and validity of financial statements.But,in recent years,audit opinion shopping cases that exposed frequently directly affect people's confidence in the securities market,and disrupt the normal order of the securities market.The initial studies on the opinion shopping were almost related to the auditor switching.But as the requirement of announcing auditor switching becomes more and more strict, and as the stakeholders become more and more alert to auditor switching,the managers may change their way of opinion shopping. Accordingly, the thesis studies the probability of opinion shopping successfully from the angle of audit fee.In view of this, this article selects 2012-2014 data of the stock companies listed on the main board of the Shenzhen Stock Exchange as the research object, using logistic regression method from the abnormal audit fee to research the influence on the type of audit opinion,the improvement of audit opinions and the deterioration of audit opinions.Then the abnormal audit fee is subdivided into the abnormal increase in audit fees and the abnormal reduction in audit fees,and we respectively consider the impact of these two variables on the type of audit opinion, improvement and deterioration.The results of empirical study are that,the abnormal increase in audit fees has significantly positive correlation on the improvement of the audit opinions.In the audit marke,and the audit market does exist in the audit opinion shopping phenomenon;The abnormal reduction in audit fees has significantly positive correlation on the improvement of the audit opinions,low-balling exists in accounting firms with the audit collusion phenomenon.