The Relationship between corporate ownership Structure and financing constraints of Listed Companies in Tehran Stock Exchange

Corporate ownership structure is one of the major mechanisms of corporate governance to control managers and reduce agency conflict that can influence investment decisions of creditors and investors. The relationship between ownership structure and other variables has always been one of the most important issues in the field of financial literature. The purpose of this research is to study the relationship between ownership structure and constraint in financing of Tehran listed firms. This research is applied in terms of purpose. It is in the class of post- event researches in terms of methodology. We selected 105 Tehran listed firms in 2014-2018 time periods to test the hypotheses of research. We statistically tested the hypotheses of research using regression analysis, correlation test and combined data. Findings of research shoe that there is a meaningful and negative relationship between the proportion of state ownership and the proportion of state ownership and the proportion of corporate ownership with constraint in financing. There is a meaningful and positive relationship between the proportion of individual ownership and the percentage of ownership concentration with constraint in financing. In addition, there is not a meaningful relationship between the proportion of private ownership and constraint in financing.