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显著性和稳定性——降低基尼系数两种方法的效应评价

Noticeable and Steady: Two Ways to Evaluate the Effect of the Falling of Gini Coef-ficient
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摘要 本文首先重新推导了基尼系数的表达式。在此基础上,再就一定条件下降低基尼系数提出两种解决方法,即平均分配方法和最优降低基尼系数的方法,并建立相应的数学模型。最后,分别分析了这两种方法的显著性和稳定性。通过研究这两种降低基尼系数的方法发现:(a)基尼系数越大、平均收入越低的地区采用平均分配方法更有效;(b)一定条件下,最快降低基尼系数的解是存在的,但是按这个方法形成的基尼系数的稳定性最差。
作者 王珏 饶晓鹏
出处 《南开经济研究》 CSSCI 北大核心 2004年第1期78-83,共6页 Nankai Economic Studies
关键词 基尼系数 显著性 稳定性 中国 洛仑兹曲线 贫富差距 Gini Coefficient Income Significance Stalilization
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