Ethical inequality measures and the redistribution of income when needs differ
نویسنده
چکیده
The paper considers social welfare functions and ethical inequality measures for linear inequality concepts when households may differ in needs. The welfare functions are nested, i.e. separable in the level of welfare attained by the homogeneous subpopulations, and possess a homogeneity property depending on the inequality concept imposed. Several principles of transfers between different household types are introduced and systematically examined. Their implications for the form of welfare functions and inequality measures are derived. The corresponding classes are completely described.
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