20世纪80年代以来,最具有特点的经济现象是:西方发达国家尤其是以美国为代表的国家表现出了经济服务化的趋势。这样的变化趋势从根本上来讲是由于技术的快速发展引发的产业结构调整。比较优势理论是对国际贸易的发生和发展进行解释最为重要的工具之一,目前已经具有的比较优势理论是从有形产品产生而来,所以它是否还符合当前国际贸易发展还需要进行深入探索和研究。一、比较优势理论在服务贸易领域中应用的局限性 Since the 1980s, the most characteristic economic phenomenon is that the developed countries in the West, especially those represented by the United States, have shown the tendency of economic services. This change trend is fundamentally due to the industrial restructuring triggered by the rapid development of technology. The theory of comparative advantage is one of the most important tools for explaining the occurrence and development of international trade. Nowadays, the theory of comparative advantage has emerged from tangible products, so whether it is in line with the current development of international trade needs further exploration and the study. First, the comparative advantage theory in the service trade in the application of the limitations