A new functional form for approximating the Lorenz curve

被引：39
|
作者：
Ogwang, T [1 ]
Rao, ULG [1 ]
机构：
[1] DALHOUSIE UNIV,DEPT ECON,HALIFAX,NS B3H 3J5,CANADA
来源：
ECONOMICS LETTERS | 1996年 / 52卷 / 01期
关键词：
Lorenz curve; Lorenz dominance; Gini index;
D O I：
10.1016/0165-1765(96)00833-6
中图分类号：
F [经济];
学科分类号：
02 ;
摘要：
In this paper we propose a new functional form for the Lorenz curve that overcomes some of the limitations of existing functional forms. The proposed functional form, which is defined by an are of an optimal circle, yields a very simple expression for the Gini index. The model is applied to several data sets with encouraging results.
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页码：21 / 29
页数：9
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