Author(s): Najlah shamoon shlaymoon, Eman Abdel Rahim Kazem
In the present paper authors provided some of role in Economic crises, natural disasters, and political instability that negatively affect the economy of a particular country or a group of countries, so the indebtedness rates increase dramatically, and the demand for oil decreases with the stability of its price, or its rise, but the countries are not able to buy sufficient quantities of it, so they are forced to raise its local prices, in order to be able to reach a close equilibrium degree between the international and local price.