凯恩斯经济理论的应用条件与宏观经济效率评价——三变量模型与虚拟经济研究  

The Using Conditions of Keynesian Economic Theory and the Opinion of Macroeconomy Efficiency ——Three Variables Model and the Study of Virtual Economy

作　　者：毛善成[1] 

机构地区：[1]淮阴工学院,江苏淮安223003

出　　处：《广义虚拟经济研究》2015年第4期38-47,共10页Research on the Generalized Virtual Economy

摘　　要：利用三变量模型研究了凯恩斯经济理论的应用条件。当投入增长y%,GDP增长x%,x与y的比值只与居民恩格尔系数和最终消费率有关。研究表明凯恩斯理论只是在居民恩格系数比较高而最终消费率较低的条件下才是科学,随着条件的变化宏观经济系统会出现投入增长量大而产出增长量小的现象,这是滞胀形成的数量基础。其次,给出宏观经济效率的评价指数。宏观经济效率随居民最终消费率上升非线性增加,虚拟经济促进经济效率提高的内在机制是刺激消费。再次,厘清从经济危机到马克思经济学,从反危机到凯恩斯经济学,从反滞胀到虚拟经济,从金融危机到虚拟经济学产生的基本脉络。First, we study the using conditions of Keynesian economic theory by the three variables model in this paper. If investment grows y%, GDP does x% then the x/y is only the function of Engel＇s coefficient andfinal consumption rates of denizen. The result indicates that Keynesian economics is a science when Engel＇s coefficient is high and final consumption rates are low. A stagflation comes into being when the investment growth rates are high but GDP grows little in the macroeconomic system. Second, we suggest the opinion index ofmacroeconomy efficiency which nonlinear increases with the final consumption rates growth. Because virtual economy can stimulate denizen consumption, it increase the macroeconomy efficiency. Third, we find the basic track that the economic problems drive economics advancement, the basic track of economics progress is the development from economic crisis to Marxian economics, from coping with crisis to Keynesian economics, from coping with stagflation to virtual economy, from finance crisis to virtual eco- nomics.

关 键 词：三变量模型 凯恩斯经济理论 滞胀 M指数 虚拟经济 

分 类 号：F091.3[经济管理—政治经济学]