Investigating the Effect of Ownership Structure, Board Structure And Company Control on the Performance of Companies Accepted in Tehran Stock Exchange

the present study investigates the effect of board structure; ownership structure and control of companies on the performance of companies listed in Tehran Stock Exchange.We examine the impact of board of director’s traits on firm performance for a large sample of Iran’s listed firms. Traits that we examine included number of board of director’s, number of sessions, sexuality and so on. We find that most of the board's features do not affect the performance of companies whose shares are in the stock market in Tehran. Study on hypothesis in this research was done by to software; spss and eviews that show the results of this researc