Inappropriate macro economic policies in some economies, characterised by [a] low savings rate and high consumption [and] failure of financial supervision and regulation to keep up with innovation which allowed financial derivatives to spread.
Wen JiabaoAs far as the U.S. economy is concerned, I always believe that the U.S. economy is solidly based, not only in a material sense, but more importantly, the United States has the strength of scientific and technological talent, and managerial expertise.
Wen Jiabao