A new functional form for approximating the Lorenz curve

被引:38
作者
Ogwang, T [1 ]
Rao, ULG [1 ]
机构
[1] DALHOUSIE UNIV,DEPT ECON,HALIFAX,NS B3H 3J5,CANADA
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.
引用
收藏
页码:21 / 29
页数:9
相关论文
共 19 条
[1]   A GENERAL FUNCTIONAL FORM FOR APPROXIMATING THE LORENZ CURVE [J].
BASMANN, RL ;
HAYES, KJ ;
SLOTTJE, DJ ;
JOHNSON, JD .
JOURNAL OF ECONOMETRICS, 1990, 43 (1-2) :77-90
[2]  
BROWN JAC, 1984, OXFORD B ECON STAT, V46, P273
[3]   EXTENDED GINI INDEXES OF INEQUALITY [J].
CHAKRAVARTY, SR .
INTERNATIONAL ECONOMIC REVIEW, 1988, 29 (01) :147-156
[4]  
CHOTIKAPANICH D, 1993, ECON LETT, V3, P187
[5]   ESTIMATION OF GINI-COEFFICIENTS FROM GROUPED DATA - UPPER AND LOWER BOUNDS [J].
FULLER, M .
ECONOMICS LETTERS, 1979, 3 (02) :187-192
[6]   INTERPOLATION OF LORENTZ CURVE AND GINI INDEX FROM GROUPED DATA [J].
GASTWIRTH, JL ;
GLAUBERMAN, M .
ECONOMETRICA, 1976, 44 (03) :479-483
[7]  
GASWIRTH JL, 1972, REV ECON STAT, V54, P306
[8]   FUNCTIONAL FORM FOR ESTIMATING THE LORENZ CURVE [J].
GUPTA, MR .
ECONOMETRICA, 1984, 52 (05) :1313-1314
[9]   CLASS OF POVERTY MEASURES [J].
KAKWANI, N .
ECONOMETRICA, 1980, 48 (02) :437-446
[10]  
Kakwani N.C., 1973, INT ECON REV, V14, P278, DOI [10.2307/2525921, DOI 10.2307/2525921]