统计研究 ›› 2010, Vol. 27 ›› Issue (2): 83-86.

• 论文 • 上一篇    下一篇

基于分组数据的样本基尼系数范围估计

洪兴建   

  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2010-02-15 发布日期:2010-02-15

Bounds of the Gini Coefficient on the Grouped Data

Hong Xingjian   

  • Received:1900-01-01 Revised:1900-01-01 Online:2010-02-15 Published:2010-02-15

摘要: 由于很多收入抽样数据只是公布了相对简约的分组数据,如何依据信息不完整的分组数据估计样本基尼系数的范围是非常重要的。本文针对分组数据中各组收入的取值范围以及各组人均收入是否已知,从多个方面探讨了样本基尼系数的取值范围,并给出了相应的估算公式。最后,结合我国城乡居民收入的分组数据,实证分析了城乡收入基尼系数的范围。

关键词: 分组数据, 基尼系数, 范围

Abstract: As sampling data are generally presented only in grouped data, it is important how to estimate bounds of Gini coefficient under imperfect information. In this paper, some upper bounds of Gini coefficient are proposed, according to various information which group mean and income interval are known or not. In the end, we study the bounds of Gini coefficient on grouped income data in China.


 

Key words: grouped data, Gini coefficient, bound