供给学派出现的背景是美国经济在20世纪70年代中后期生产率的增长速度只降不升,经济增长缓慢,通货膨胀压力日益加大,与此同时,凯恩斯主义只注重需求管理的政策受到越来越多的怀疑和责难。供给学派将萨伊定律“供给创造自身需求”作为理论依据,通过商品和服务供给效应方面的多种手段措施,为调节经济增长和促进物价稳定而提供的一种政策研究。 The supply-side schools emerged from the backdrop that the U.S. economy only experienced its rate of productivity growth going up and down, its economy slowed down and its inflationary pressures increased in the mid-to-late 1970s. At the same time, Keynesian policies focused on demand management were more and more The more doubts and censures. The supply school regards Say’s law “supply to create own demand ” as the theoretical basis, through a variety of measures in terms of the supply effect of goods and services, and a policy study for regulating economic growth and promoting price stability.