Gini Coefficients in China’s Provincial-Level Regions during 1995-2010: Patterns and Analysis*

Tian Weimin
Hebei Scientific & Technological Finance Laboratory, Hebei Finance University, Baoding, China

 
Abstract: This paper calculates the urban, rural and general Gini coefficients (hereinafter referred to as GC) of household income in 27 provinces, municipalities and autonomous regions of China between 1995 and 2010 using GC calculation formulas.After calculating the GCs, this paper analyzes their trends using density function estimation in nonparametric econometrics. The results show that the GCs of household income in provincial regions tend to rise from coastal regions to inland regions. In other words, the GCs of household income in the regions tend to rise from the east to the west and they appear to be concentrated and region-specific. A discriminate analysis of economic growth and income distribution in the provincial regions by income level and GC also shows a regional characteristic, consistent with the division of eastern, central and western China and that as one analyzes household income from the east to the west, income distribution becomes more unequal and income level becomes lower.
Key words: Gini coefficient, density function, income level, income distribution

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