纵观人类发展的历史过程,无论是自然经济、市场经济还是计划经济,各经济体的经济无不在“繁荣—衰退—萧条—复苏”中周而复始和轮回。尽管每次周期或长或短,背后的支撑动力各有差异,但经济发展的周期性是不以人的意志力为转移的事实,也是绝大多数经济理论研究的重要对象。一、经济周期理论几百年来,一代又一代经济学者为 Looking at the historical process of human development, whether it is the natural economy, the market economy or the planned economy, the economies of all economies go round and round again in “prosperity - recession - depression - recovery”. Although each cycle is long or short and the motive force behind it is different, the periodicity of economic development is the fact that it does not depend on the willpower of human beings. It is also an important object of most economic studies. First, the economic cycle theory For centuries, generation after generation of economists