تاثير حاكميت شركتي بر عملكرد شركتهاي پذيرفته شده در بورس اوراق بهادار تهران

Effects Corporate Governance on Firm Performance

The main goal of doing this research is to analyze the relationship between the corporate Governance mechanisms and firm performance . The criterias of corporate Governance in this approach contains: institutional share holders , majority share holders, non-executive direction ratio and quality of financial information two criteria for evaluation of performance are: Tobins Q , Net profit growth (NPT) In this research a sample of 94 firms in a 5 year financial period from 1383 to 1387 has been analyzed considering the same condition for all sample firms from Tehran stock exchange , using statistical method panel analysis . The results concluded from this approach indicates that: Presence of institutional share holders in the ownership structure of a firm has a direct and positive effect on the performance.Presence of majority share holders in the ownership structure of a firm has no effect on the performance .Ratio of presence of non-executive direction ratio in the board of directors member ship has a negative and reverse effect on the performance .Quality of financial information has no relation with a firm performance.