Research On The Impact Of Interal Audit Model On Effect Of Corporate Govermance

In the last century and the beginning of this century, Financial scandals have occurred at home and abroad, Frequent occurrence of fraud cases caused the deep thinking about corporate governance of listed companies, Listed companies are beginning to focus from the external governance to internal governance. Internal audit is an important part of corporate governance which gradually got everyone’s attention. Many factors influence the effectiveness of internal audit, The status of internal audit in the listed company is one of the more important factors. In this background,It is very significant to analyze the impact of internal audit on corporate governance model.Based on the principal-agent theory, information asymmetry theory, transaction cost theory, Analyses the influence on the effect of different internal audit model on corporate governance. At the same time,this paper Selected the A shares in shenzhen stock exchange main board listed companies empirical data from 2011 to 2012.From the perspective of the company’s performance analysis of the effect of internal audit model on corporate governance.Alternative indicators of corporate governance is return on assets, Explanatory variables are five kinds of internal audit model, Control variables are company size,debt level, the ability to grow,, the proportion of independent directors. Using descriptive statistical analysis, correlation analysis, multiple regression models examined the impact of internal audit mode effects on corporate governance. First, examine the independence of internal audit and the independence of internal audit model on corporate governance effect; Second, subdividing the independence of internal audit mode and the second regression analysis.The empirical results show that:In improving the performance, the independence of internal audit mode and the independence of internal audit is a difference; the stronger of the internal audit model Independence, the better to improve the performance of the company; In the independence of internal audit model, The audit committee leadership of the internal audit model is the best. Finally, according to this article research conclusion and status quo of internal audit settings, this paper put forward the improvement Suggestions and comments from different aspects.