（一）90年代,我国宏观经济的基本格局和态势发生了明显的变化。长期困扰我们的产品短缺问题逐渐得到解决,市场对经济增长的约束逐步增强。到中后期,需求落后于供给的问题变得越来越突出。１９９７年亚洲金融危机爆发,我国外贸出口受到巨大影响,有效需求不足成为经济生活中的主 (I) In the 1990s, the basic pattern and trend of China’s macroeconomy have undergone significant changes. The long-standing problem that has plagued our products has been gradually solved and the market’s restraint on economic growth has been gradually strengthened. By the middle and later stages, the problem of demand lagging behind supply became more and more prominent. As the Asian financial crisis broke out in 1997, China’s foreign trade exports have been greatly affected, and effective demand has become the mainstay of economic life