Cause of the problem

Major cause worldwide economic Tdtai. Starting from problems in U.S. sub-quiet. In August 2006, resulting in a price slump in U.S. real estate. And financial institutions. Start a lack of liquidity problems. Until large investment banking firm of Lehman Brothers to a U.S. bankruptcy last September when ignite a financial crisis in the U.S. Insurgency and to other countries quickly

In addition to financial and banking sector. Other core businesses. Has been affected by economic slowdown and global financial crisis. For example, the U.S. automotive industry. The 3 major car company is a General Motors, Chrysler and Ford are experiencing problems of lack of liquidity is now severely.

Year 2007 to face U.S. economic slump Unemployment in the United States last month of November rose to 6.7 percent, the highest in 34 years of consumer spending is reduced 1% adjustment in the month of October in the minimum 7 years.

Result of economic conditions and oil price stays high in the beginning. Can directly affect oil demand in the U.S. finished with the American people to modify the behavior of consumers as well as turn the power saving options and more. This is evident from the volume of U.S. oil use. Continues to decline continued even though oil prices have already significantly reduced.