美国金融危机的社会根源及凯恩斯主义的回归分析

2007年以来，由次贷危机引起的金融风暴席卷全关，并蔓延到世界各地，这不仅对美国经济产生了严重影响，同时也对世界经济造成了不同程度的破坏。美国金融危机发生的社会根源在于其多年经济体制内存在的诸多弊端，以及外在消耗等。因此，凯恩斯主义回归美国经济生活是必要的。美国经济的发展前景，将不仅对世界经济的发展前景有很大影响，同时也将对国际政治格局产生重要和深远的影响。

Social Roots of American Financial Crisis and Return Analysis of Keynesianism

Isince 2007, financial windstorm from subprime lending crisis rolled America up, spreading the comer of the world. It not only has emerged serious effect on American economy, but also caused great destructions in different degrees. The social roots of American financial crisis originate from many years＇ numerous shortcomings existing in economic institution. Moreover, from external exhaustion and so on. Therefore, return of Keynesianism to American economic life is necessary. Developing prospect of American economic has great effect on world economy, moreover, significant and profound influence on intemational political structure.