Analysis Of Factors Influencing On Information Voluntary Disclosure Of Internal Control For A-Shares In The Shanghai Stock Exchange

With the implementation of The Baseline Profile of Internal Control and the promulgation of the related guidelines, the disclosure of internal control system is to be improved gradually, the concept of defining for internal control deficiencies and the related guidelines make the disclosure become the focus which enterprise management, external auditor, the supervision institutions and market investors are concerned about. To seek to influence factors of internal control deficiencies from different aspects will be the way to improve the quality of disclosure because the voluntary disclosure can provide more information than the mandatory disclosure. This paper searched for the risk and motivational factors for the existence and discovered and disclosed of the internal control deficiencies based on the agency theory and signaling theory, then constructed the conceptual framework of factors which impacts the disclose of internal control deficiencies for China's Shanghai A-share listed company .and used descriptive statistical analysis, correlation analysis and logistic regression analysis of two statistical methods to fit the model, found that company size, the number of the company's subsidiary, the company's sales growth, the company's organization Structural changes, ownership concentration, whether the company was special treatment, and change of the audit firm's affected the disclosure of information of the internal control deficiencies, last provided the recommendations of improving the information disclosure system of internal control deficiencies of the listed company according to empirical results.This study mostly contains five sections:The first section is about exordium, this part describes the background and significance, research framework, the use of research methods and innovations of this article.The second section is about literature review, this part first defines the concept of internal control defects; and sort out the impact of factors and summary both from foreign and domestic information disclosure of internal control deficiencies.The third part is about the theoretical analysis and hypotheses, this part contracted the conceptual framework of deficiencies factors about voluntary disclosure of information according to the signaling theory and agency theory from the two aspects of the existence and discovered and disclosed of internal control deficiencies, and then proposed research Assumptions.The fourth part is about study design, this part introduces the study sample, data sources and the statistical analysis tools; then we make operational definition for the variables which were proposed by the assumptions made in Chapter III, according to the nature of the dependent variable, the article proposed the two logistic regression model.The fifth section is the empirical results and analysis, first, descriptive analysis for the disclosure of internal control deficiencies of the choice of Shanghai A-share listed company in 2009.And through the study sample and control sample means test to prove the difference T text. followed the correlation analysis of variables and Contribution of multiple test statistics to test scientific models; then this binomial logistic regression model was fitted to test the various risk factors and motivation factors on the direction and impact of vulnerability disclosure level; Finally, tests verify the robustness of the results of the reliability of the empirical model. Finally, conclusion, according to the conclusions of the previous chapter the empirical results of analysis, policy recommendations and concluded the limitations of this study.