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Pauline Mornet
''A program for weakly decomposable inequality measures by population subgroups''
( 2013, Vol. 33 No.3 )
This note explains the use of the program of the (α,β)-decomposition of the α-Gini measures available in free access on the LAMETA's website: Inspired by the recent works published about the weak decomposition of inequality measures, this macro allows targeting accurately the groups mainly responsible for income disparities appraised within a distribution, whether subdivided into one or several partitions. This tool enables parameters of sensitivity reflecting the political decision-maker's preferences to be involved in the structure of the within- and between-group inequality components. The within-group component embodies a parameter of inequality aversion α whereas the between-group component includes both parameters α and β, such that β is the sensitivity towards between-group non-overlappings.
Keywords: α-Gini measures, Inequality aversion, Sensitivity towards between-group non-overlappings, Weak decomposition.
JEL: D3 - Distribution: General
D6 - Welfare Economics: General
Manuscript Received : Mar 26 2013 Manuscript Accepted : Jul 11 2013

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