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Araar, Abdelkrim
Duclos, Jean-Yves
Year of Publication: 
Series/Report no.: 
LIS Working Paper Series 416
We investigate the properties of a family of social evaluation functions and inequality indices which merge the features of the family of Atkinson (1970) and S-Gini (Donaldson and Weymark (1980, 1983), Yitzhaki (1983) and Kakwani (1980)) indices. Income inequality aversion is captured by decreasing marginal utilities, and aversion to rank inequality is captured by rank-dependent ethical weights, thus providing an ethically-flexible dual basis for the assessment of inequality and equity. We demonstrate a few of their interesting properties. We also illustrate their application using data from the Luxembourg Income Study.
Document Type: 
Working Paper
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