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基尼系数的变动通过边际消费倾向、货币的交易需求和货币的投机需求三个渠道影响宏观经济。基尼系数的增大将削弱货币政策的效应,增强财政政策的效应,同时使产出发生变化。在我国,结论表明基尼系数增大的效应主要表现在降低边际消费倾向、影响产出的增加和财政货币政策的效果。使用脉冲反应函数来检验我国的基尼系数和相关变量之间的关系,验证了模型的部分假设前提和结论。
The changes of the Gini coefficient affect the macroeconomy through three channels: the marginal propensity to consume, the demand for money to trade and the speculative demand of money. The increase of Gini coefficient will weaken the effect of monetary policy, enhance the effect of fiscal policy, and at the same time change the output. In our country, the conclusion shows that the effect of increasing Gini coefficient mainly lies in reducing the marginal propensity to consume, affecting the increase of output and the effect of fiscal and monetary policies. The impulse response function is used to test the relationship between the Gini coefficient and the related variables in our country. Some hypothetical premises and conclusions of the model are verified.