Surveying the Effect of Board of Directors' Performance of Regulatory Functions and Internal Audit on Quality of Financial Information of Listed Companies on Tehran Stock Exchange

This research began in purpose of surveying the effect of board of directors'performance of regulatory function and internal audit on quality of financial information oflisted companies on Tehran Stock Exchange. In this regard in first chapter the generalities ofresearch is expressed. In second chapter theoretical principles of corporate governance,internal audit and quality of financial information of stock companies are reviewed and it ismentioned that employment the procedure and criteria of corporate governance not only cancause improvement in companies performance, but also can improve the economic resultsrelated with corporate governance standards. And in third chapter research pattern isexpressed and it is mentioned that in term of purpose this research is applied. Research dataare collecting through the after events approach (previous information). The researchvariables were happened in the past and there in no ability to control and manipulate forresearcher. In fourth chapter the results of testing the research hypotheses and estimates ofmodel are done. First hypothesis represented that there is a significant relationship betweenefficiency of internal audit performance and quality indicators of financial information.Accordingly, in research regression model after estimate variable of IAO which wassuggesting the efficiency of internal audit performance, was obtained as -0.046. Since thenumber was significant, the hypothesis confirmed. Second hypothesis represented that thereis a significant relationship between internal audit performance and quality of accruals.Accordingly, in research regression model after estimate variable of NB is suggesting thenumber of board of directors, which its coefficient is obtained -0.082. Since this number wassignificant, second hypothesis confirmed. Third hypothesis presented that there is asignificant relation between internal audit performance and cash flow forecasting.Accordingly, after estimate in research regression model, its coefficient is obtained 0.032.Since this number is significant, third hypothesis confirmed.

کلیدواژه ها:

Directors' Performance ، Regulatory Functions ، Internal Audit ، Financial Information ، Listed Companies ، Tehran Stock Exchange