A study of how economic variables affect the capital structure of the companies accepted in Tehran Stock Exchange Corporation

The present study aims at reviewing how economic variables including liquidity, imports, exports and gross domestic product affect the capital structure of the companies accepted in Tehran stock exchange cooperation.In this study, the information related to the period 2001 – 2007 for 119 companies from among the ones which are accepted in the stock exchange, has been the main concern.The results of testing the hypotheses show the lack of any meaningful correlation between exports with the capital structure and the existence of a meaningful correlation between liquidity and imports with GDP and capital structure in Iran’s investment market.Furthermore, the results indicate that there is a positive and meaningful correlation between GDP and the capital structure of the companies accepted in Tehran stock exchange cooperation, as opposed to the negative meaningful correlation between the liquidity and imports with the capital structure of the companies accepted in Tehran stock exchange cooperation.