一、更新了内容.自1968年SNA发表以来,世界各国的经济情况发生了明显变化:通货膨胀已经成为经济发展中的重要问题;许多国家政府的作用发生了变化;服务活动,尤其象通讯、金融等商业性服务变得越来越重要;金融机构和市场变得日益复杂,混合式金融工具大量滋生;各国之间的经济联系与日俱增.为了满足经济分析和经济决策工作者等各类用户的需要,1993年SNA更新了内容.主要表现在: First, the updated content Since the SNA was published in 1968, the economic situation in various countries of the world has undergone significant changes: inflation has become an important issue in economic development; the role of governments in many countries has changed; and service activities, especially such as communications, Financial services and other commercial services are becoming more and more important. As financial institutions and markets become increasingly complex with the proliferation of hybrid financial instruments, the economic links between countries are increasing. In order to meet the needs of various types of users such as economic analysts and economic decision makers Need, SNA updated in 1993. Mainly in: