关于经济周期理论的研究早己有之并且现在还在不断的发展之中,从马克思的周期性经济危机理论到西方经济周期理论的各个阶段:古典经济学家的经济周期理论;传统经济周期理论;凯恩斯经济周期理论;当代西方的经济周期理论。这些理论分别是从不同的角度来阐述整个经济运行的周期过程 The research on the theory of the economic cycle has long been and continues to be developed. From Marx’s theory of cyclical economic crisis to the various stages of the theory of the Western economic cycle: the classical economic cycle theory of classical economists; the traditional theory of the economic cycle; Keynesian business cycle theory; contemporary Western business cycle theory. These theories respectively explain the periodical process of the whole economic operation from different angles