The Impact of Intellectual Capital on the Profitability Ratios in Petroleum Products Industry in T.S.E

The purpose of this article has been the study of the intellectual capital and its components (structural, physical and human capital) on the petroleum products industry profitability ratios (return on assets, returns on shareholders' equity, profit margins and net profit growth rate) in petroleum products industry sector with in Tehran Stock Exchange, controlling size and the financial leverage. With using public 2000 model 9 companies during 2009-2013 (45 companies' years) have been analyze. The results show there is a significant relation between the intellectual capital variables and its components with ROA, ROE, profit margin and net profit growth rate. Without exerting the controlling variables also there no significant relevant bet wen Intellectual capital relation with net profit growth rate, the physical capital with ROA and the human capital with the net profit growth rate, and the structural capital with ROE, the profit margin and the net profit growth rate.