عنوان مقاله [English]
نویسندگان [English]چکیده [English]
This paper investigates the effect of concentration and advertising on profitability in Iranian Industrial firms, with more than 9 employees. Dynamic panel data technique is used along with the data during the period 1374-1381 to study this issue. The results show that the concentrated industries have a higher profitability than the others. In addition, advertising has a positive effect on the profit of the Iranian industries.