The Gini coefficient is based on the sum of pairwise income differences, which can be decomposed into separate sums for individuals. Differences vis-à-vis poorer people represent an individual’s advantage, while those with respect to richer people constitute deprivation. Weighting deprivation...

The Gini coefficient is based on the sum of pairwise income differences. For an individual, differences vis-à-vis poorer people represent advantage, and those versus richer people deprivation. Any weighted average of deprivation and advantage generates a “Gini admissible” personal...