统计与决策2025，Vol.41Issue(1)：47-51,5.DOI:10.13546/j.cnki.tjyjc.2025.01.008
基尼系数的计算与分解方法的再研究
Re-study on Calculation and Decomposition Methods of Gini Coefficient
摘要
Abstract
This paper mainly studies the calculation and decomposition methods of Gini coefficient.Firstly,the paper dis-cusses and analyzes the defects of the calculation formulae of Gini coefficient,and revises relevant ungrouped formulae and grouped formulae.Then,the subgroup formulas of Gini coefficient are studied and the equivalence of different formulas is proved.New upper and lower bounds of Gini coefficient are given.Finally,the Gini coefficient of per capita disposable income of national residents from 2013 to 2019 is calculated.The results show that the Gini coefficient calculated by the modified formula is closer to the real Gini coefficient.关键词
基尼系数/子群分解/群间基尼系数/群内基尼系数Key words
Gini coefficient/subgroup decomposition/Gini coefficient between groups/Gini coefficient within groups分类
管理科学引用本文复制引用
尹雪华,李翔..基尼系数的计算与分解方法的再研究[J].统计与决策,2025,41(1):47-51,5.基金项目
国家自然科学基金资助项目(12401616) （12401616）
国家社会科学基金重点项目(21AGL022) （21AGL022）
