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Individual diversity and the Gini decomposition
 
Author:Ceriani, Lidia; Verme, Paolo; Collection Title:Policy Research working paper ; no. WPS 6763
Country:World; Date Stored:2014/01/30
Document Date:2014/01/01Document Type:Policy Research Working Paper
SubTopics:Inequality; Health Systems Development & Reform; Population Policies; Services & Transfers to Poor; Poverty Impact EvaluationLanguage:English
Region:The World RegionReport Number:WPS6763
Volume No:1 of 1  

Summary: The paper defines the Gini index as the sum of individual contributions where individual contributions are interpreted as the degree of diversity of each individual from all other members of society. Among various possible forms of individual contributions to the Gini found in the literature, the paper shows that only one form satisfies a set of desirable properties. This form can be used for decomposing the Gini into population subgroups. An empirical illustration shows the use of this approach.

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