The Gini Index and Measures of Inequality

被引：135
|
作者：
Farris, Frank A. [1 ]
机构：
[1] Santa Clara Univ, Dept Math & Comp Sci, Santa Clara, CA 95053 USA
来源：
AMERICAN MATHEMATICAL MONTHLY | 2010年 / 117卷 / 10期
关键词：
POVERTY; CURVE;
D O I：
10.4169/000298910X523344
中图分类号：
O1 [数学];
学科分类号：
0701 ; 070101 ;
摘要：
The Gini index is a summary statistic that measures how equitably a resource is distributed in a population; income is a primary example. In addition to a self-contained presentation of the Gini index, we give two equivalent ways to interpret this summary statistic: first in terms of the percentile level of the person who earns the average dollar, and second in terms of how the lower of two randomly chosen incomes compares, on average, to mean income.
引用
收藏
页码：851 / 864
页数：14
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