1985年后美国要求德国和日本采取扩张性财政政策和货币政策来增加对美国产出的需求和减少美国经常项目的赤字，德日的财政扩张是否能帮助美国实现其目标?这两国的货币扩张的作用又如何?如果你认为美国会针对德日的不同政策作出不同反应，你的答案会有什么变化?

  After 1985 the United States asked Germany and Japan to adopt fiscal and monetary expansion as ways of increasing foreign demand for U.S. output and reducing the American current account deficit．Would fiscal expansion by Germany and Japan have accomplished these goals? What about monetary expansion? Would your answer change if you thought different German and Japanese policies might facilitate different U.S. policies?