Gini, C. (English spelling) GiniC

Japanese: Gini,C.(英語表記)GiniC
Gini, C. (English spelling) GiniC

…An index devised by the Italian C. Gini in 1936 to measure the inequality of income and wealth distribution. It is also called Gini's coefficient of concentration. When income y i is given in ascending order of income as ( y 1 , y 2 , …, y n ), the Gini coefficient G is defined as follows. In other words, the Gini coefficient is half the value obtained by considering the combinations of income ( y i , y j ) for all members and dividing the average amount of the difference (absolute value) by the average income μ. …

*Some of the terminology that mentions "Gini, C." is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…所得や資産の分布の不平等を計測するためにイタリア人ジニC.Giniが1936年に考案した一指標。ジニ集中指数Gini’s coefficient of concentrationともいう。所得yiが所得の低い順に(y1,y2,……,yn)で与えられているとき,ジニ係数Gはで定義された値である。すなわちジニ係数とは,所得の組合せ(yi,yj)をすべての構成員について考え,その差(絶対値)の平均額を平均所得μで除した値の半分である。…

※「Gini,C.」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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