我国虚拟经济与实体经济的最优比例

充分发挥虚拟经济对实体经济发展促进作用的同时，处理好虚拟经济与实体经济的关系，准确把握好虚拟经济发展的“度”，对我国经济又好又快发展具有重要意义。本文采用理论研究与实证研究相结合的方法，对我国实体经济和虚拟经济的发展状况和最优比例进行深入细致的研究。首先在对虚拟经济和实体经济界定的基础上分析虚拟经济和实体经济的关系，运用格兰杰因果检验方法来实现。然后运用一个简单模型测算我国的虚拟经济和实体经济的最优比例。

On the Optimal Ratio of Virtual Economy and Real Economy

While giving full play to the positive influence of virtual economy on real economy, for the sake of sound and fast development of Chinese economy, it is significant to keep a balance between the two and to regulate the development of virtual economy in a reasonable way. Combining theoretical and empirical studies, the author make an intensive analysis on the development of Chinese virtual and real economy and the optimal ratio between the two. Firstly, on the basis of defining the two types of economy, this paper analyzes the relationship of the two by means of Granger Causality Test. Then a simple model is provided to calculate the optimal ratio of the two in Chinese economy.