the role of oil in economic development of iran

petroleum and its subjected economic structurs play a significant role in iran's political social and economic develovement. iranian economy highly depends on oil exports and incomes. oil industry provides almost 50% of national budjet and 80 percent of exportation resources. oil's incomes have fluctuated during different decades and experienced the most increasing trend in (2007-2011) – the years coincide with the forth development program of ir. iran. although, oils income could temporary obtimize some qualitative economic indices, it was not able to adjust the inequality indices such as removal of poverty, unemployment, etc. according to the result of this research, petroleum's income not only could not eliminate the poverty, unemployment and inequality but also deteriorate the situation of these indices.