解释经济波动现象的两种理论比较

A Comparisiton of Two Theories about Economic Fluctuations

真实经济周期理论从微观出发研究宏观经济,认为经济周期的产生原因来自于经济体系之外的真实冲击,其对宏观经济波动的解释与传统凯恩斯主义波动理论观点迥异,从而对后者在宏观经济研究中的统治地位提出了挑战,并为经济研究开拓了新的思路。比较了两种理论在经济波动的原因、性质、传播机制、研究方法、模型以及政策含义等方面的差异,并评价了两种理论各自的优劣之处。

The theory of Real Business Cycle researches economic fluctuation in the view of microeconomics. It attributes economic fluctuation to real impacts out of economic systems and gives different explanation for the fluctuation from Keynesian theory. Thus, it becomes a challenge to the latter and develops a new way for economic research.. However, both of these theories have their own deficiencies. In this article, the author compares the thought of these two theories about the reason of economic fluctuation, the broadcasting system, research methods, model analysis and policy meaning. At last, the paper concludes advantages and disadvantages of the theories.