Pages: 10-16

Abstract

Abstract: The aim of this study was to investigate the impact of ownership structure and capital structure on financial performance of the firms listed in Tehran Stock Exchange. In this study, ownership structure and capital structure are as an independent variable and the assets rate of return, stock holders equity rate of return (criteria for the firm financial performance) are as a dependent variable and the criteria for measuring of the performance. In this study, the library research method used for collect data and Excel software used for data classification and after classifying the data Eveiws software was used in order to process the information and test the hypotheses. Population and Sample of this research consisted of 121firms listed in the stock exchange. The findings indicate that managerial ownership and public ownership has a significant negative impact on financial performance. Capital structure (long-term debt ratio to total assets, short-term debt ratio to total assets and total debt ratio to total assets) has a significant negative impact on financial performance.