The investigation of relationship between volatility of profit ability ratios, retained earnings, capital expenditures, and changes incorporate dividend policy on firms listed in Tehran Stock Exchange

The purpose of this study is to examine the investigation to relationship between volatility of profitability ratios, retained earnings, capital expenditures, and changes in corporate dividend policy of the company. This study is based on data analysis of literature and analytical – causative panel (panel data). The research sample consists of 102 companies listed in Tehran Stock Exchange during the period 2008 to 2013.To analyze the results of the software is used toSpss20 ¡Eviews7andMinitab16.The results show that the criteria of profitability and changes in dividend policies of companies and there is a direct relationship. The analysis has been done suggests that the ratio of retained earnings and the ratio of capital expenditure to changes in a company's dividend policy and an inverse relationship exists