近期国际货币基金组织表现出对世界经济异常乐观的预期,从原因上分析或许是美国经济潜移默化的变化,使国际机构增强对世界经济的信心,特别是美国经济数据的修正,使全球经济信心提升。因此,全球出现一些值得深思与探讨的问题,如美国经济如何界定与判断,美元汇率走势如何?欧元区受到石油价格的影响与 Recently, the IMF has shown unusually optimistic expectations about the world economy. Analysis of reasons may be a subtle change in the U.S. economy, which has given international agencies more confidence in the world economy, especially in the revision of U.S. economic data, which has led to an increase in global economic confidence . Therefore, there are some issues that are worth pondering and exploring around the world, such as how the U.S. economy is defined and judged and how the exchange rate of the U.S. dollar is going? The euro area is affected by the oil price and