2008年9月次贷危机恶化升级为全球性金融危机之后,美国面临危机在虚拟经济范围扩大和向实体经济蔓延的双重挑战,美国政府联合美联储开始采取紧急援助的一揽子计划。这些措施起到了一定积极作用,但也引起了负效应。这对我国正在实施的四万亿财政刺激计划有一定启示。 September 2008 After the subprime mortgage crisis escalated into a global financial crisis, the United States faced the dual challenge of expanding its virtual economy and spreading to the real economy. The United States Government and the Federal Reserve started a package of emergency aid. These measures have played a positive role, but they have also had a negative effect. This has some enlightenment on the 4 trillion fiscal stimulus plan that is being implemented in our country.