Abstract

Abstract The main purpose of this study is surveying the relationship between ownership concentration and costs of sticky in Tehran stock exchange. The population of this study are the companies that accepted at Tehran stock exchange in 2005 and had not this characteristics: Banks, credit institutions and other financial institutions, other financial intermediation, Investments, Monetary intermediations. Because of it may be due to the nature of their activity, this study investigated the relation component varies to such agencies may not apply to others. During fiscal year of 2004 -2012 have not be changed or altered activity. To observe comparability their financial period was end of March and their data be available in Stock Exchange. So, with considering this situation, 72 companies were selected as sample. In order to analyze the data resulted from collected questionnaires deductive and descriptive statistical methods are used. The results Durbin Watson Test shows the test distribution is Normal. So we can use Regression to test the hypothesis of the research. In order to determine the relationship between the variables of the study, the SPSS tool has been used. Finings shows that it means that there is not significant relationship between public and administrative costs of sticky and ownership concentration at companies that accepted in Tehran stock exchange during 2004-2012. And also, that there is significant relationship between sales costs of sticky and ownership concentration at companies that accepted in Tehran stock exchange during 2004-2012.