In 2008, the U.S. government took an 80 percent stake in AIG to stop that financial institution from collapsing, the theory being that if AIG did collapse, it would have very serious consequences for the entire financial system. What type of economy is this an example of? 2008年,美国政府收购了美国国际集团80%的股份,以防止这家金融机构倒闭。理论上说,如果美国国际集团真的倒闭,将对整个金融体系造成非常严重的后果。这是什么类型的经济?