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对区位基尼系数和收入基尼系数的计算方法讨论后,利用区位基尼系数考查了近年来我国大陆地区经济活动空间格局的变化状况;探讨了混合样本总体收入基尼系数的计算方法,并据此分析了2002—2010年我国收入差距的演变特征。研究发现,2006年前区位基尼系数单调上升,2006年后区位基尼系数单调下降,说明近年我国经济活动集聚与扩散的拐点出现在2006年;而在2002—2010年收入基尼系数表现出波动上升的特征。研究认为,我国经济格局变化对收入差距演变产生滞后影响,相比于区域经济差距问题,缓解收入差距扩大显得更加紧迫。
After discussing the calculation method of Gini coefficient and income Gini coefficient, this paper uses the Gini coefficient of location to examine the changes of spatial pattern of economic activity in China’s mainland in recent years. The calculation method of Gini coefficient of total income of mixed sample is discussed. The Evolutionary Feature of the Income Gap in China from 2002 to. The study found that before 2006, the Gini coefficient monotonically increased and the Gini coefficient decreased monotonously after 2006, indicating that the inflection point of the agglomeration and diffusion of economic activity in China appeared in 2006; while the Gini coefficient of income in 2002-2010 showed a fluctuating increase feature. The study suggests that the changes in China’s economic pattern have a lagged impact on the evolution of the income gap. Compared with the regional economic gap, it is even more urgent to ease the widening income gap.