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造成居民收入差距扩大的原因是多方面的,既有居民个体特征的因素,也有经济发展和制度变革所带来的影响。本文采用泰尔指数和费景汉—拉尼斯分解法,利用广东城镇居民住户数据进行实证研究。结果显示:个人先赋性因素对收入差别的影响作用仍然最轻,但影响作用在加大;个人后致性因素成为造成居民收入差距的最重要因素;制度性因素对收入差距的影响作用受到一定程度的抑制,但作用依然显著;地区经济发展不平衡成为收入差距扩大的又一因素。
Resulting in the widening income gap between residents for many reasons, both the characteristics of individual residents of the factors, but also the impact of economic development and institutional changes. This article uses the Theil index and Fei Jinghan - Lanis decomposition method, the use of urban residents in Guangdong data for empirical research. The result shows that the influence of the individual’s first congenital factor on the income disparity remains the lightest, but its influence is increasing. The individual descendability factor is the most important factor causing the income disparity among residents. The influence of the institutional factor on the income disparity is bound to be certain However, the effect is still significant. The unbalanced regional economic development has become another factor for the widening income gap.