在过去二十年中,美国生产率的持续下降已危及美国经济在国内创造新财富的能力,同时也削弱了美国在国外的竞争地位。如果这种趋势再继续下去,就可能使高度的通货膨胀长期固定下来,最终还可能会引起严重的社会矛盾。经济学家艾伦·格林斯潘说:“在不摧毁现制度的前提下,我们只能在有限的范围内对之进行谴责。现在我们差不多已经到了这种地步——我国经济要是再进一步受损的话,那末作为我国社会基础的经济、政治和社会的复杂结 In the past two decades, the continuous decline of the U.S. productivity has jeopardized the ability of the U.S. economy to create new wealth in the country and weakened the competitive position of the United States abroad. If this trend is to continue, it will probably result in a long period of high inflation, which may eventually lead to serious social conflicts. Economist Alan Greenspan said: "We can only condemn it to a limited extent without destroying the existing system, and now we are almost at that point - if our economy is to go further If so, the complex economic, political and social complex that serves as the foundation of our society