有点经济学或者统计学常识的人都应该听说过基尼系数这个概念,并且知道它是测定居民内部收入分配差异的指标。不错,在众多让人眼花缭乱的统计指标中,基尼系数算是比较简单、也是比较容易理解的一个指标。但是这个看似“简单”的指标自从1922年被意大利经济学家基尼提出至今,一 Someone with a little economics or statistical common sense should have heard about the Gini coefficient concept and know it as an indicator of the difference in income distribution among residents. It is true that in many dazzling statistical indicators, the Gini coefficient is relatively simple, but also an indicator that is relatively easy to understand. However, this seemingly “simple ” indicator has been proposed by the Italian economist Gini since 1922,