在经济学发展历程中,关于供给与需求哪个因素是国民收入主要影响因素的争论由来已久,流派纷呈。由于市场经济的波动性和周期性,市场经济国家为实现平稳持续发展而进行了卓越的探索,诞生了以需求主导为核心的凯恩斯主义和以供给管理为主导的供给学派。20世纪30年代之前,经济学家普遍 In the course of economic development, the controversy over which factors in supply and demand are the main factors affecting the national income has been long debated. Due to the volatility and cyclicality of the market economy, the market economy countries have made outstanding explorations in order to achieve steady and sustainable development. Keynesianism with demand-led as the core and supply-oriented schools with supply-oriented management emerged. Before the 1930s, economists were prevalent