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通过计算基尼系数反映行业收入差距变化.利用GDP增长率作为控制变量建立误差修正模型,反映给定经济增长水平,外商直接投资对行业收入不平等的影响.利用误差修正模型的系数检验,判断外商直接投资对行业收入差距的影响方式和影响程度.实证结果表明1994年以后外商直接投资对行业收入不平等存在长期均衡关系.给定经济增长水平,外商直接投资增加会加大行业收入不平等程度,但增加幅度递减.
The Gini coefficient is used to reflect the change of industry income gap.The error correction model is established by using the GDP growth rate as the control variable to reflect the influence of FDI on the industry income inequality given the level of economic growth.Using the error correction model’s coefficient test, The impact and impact of direct investment on industry income gap.The empirical results show that there is a long-term equilibrium relationship between foreign direct investment and industry inequality after 1994. Given the level of economic growth, the increase of foreign direct investment will increase the industry income inequality , But the increase rate decreases.