A Study of the Effective Factors in Measurement of Using Financial Leverage in General Sharing Firms

Most of the financial managers believe that financial leverage is one of the most important leverage concepts. This concept has a key position in capital structure. Management capital structure of a firm is a combination of debt and equity holders. A firm which has not any debt is a firm without debt in structure. As capital structure in more firms is consist of debt and equity holders, financial managers are very sensitive and minute about loan delivery and its effects. But there is a question that how much debt should a firm use? Is there any marked criterion for debt measure in the firm capital structure? In most countries which have efficient capital market, leverage ratios provide for different conditions and industries, so the firms in determination of capital structure, investors in securities and banks and financial institutions when investment and giving loan to a firm consider these standards. But there aren’t any standards in our country. This research analysis the relationship between the firms’ financial leverage and the industry type, the firm's size, business risk and operation leverage and their relationship. We search for some information for the financial managers use to make the best financial decision. On the other hand, one of the conditions of liberty investment market is giving correct, clear and subtle information to the whole people. In this market, the security price indicates al I information about those securities. In Tehran stock exchange, using this information is not common for investors to use it as a criterion to measure a firm financial risk and desirability of dividend. If one may determine the relationship of four above factors with the firm financial leverage, not only we can use of this information in stock market, but also in determination of validity of a firm for banks. In this research, we considered the financial information which is related to 88 firms i n two periods. After the information analysis using different statistical methods, it was distinguished that the hypothesis of direct relationship between financial leverage and financial measure, is confirmed only in some of the industries, but the other three hypotheses in two period are rejected.