This paper provides an approach to poverty measurement that relies on the interpretation of poverty as a welfare loss. Our contribution is twofold. On the one hand, we analyse the relationship between individual and aggregate indicators, by introducing the notion of “distributive impact of...

This paper provides a criterion to evaluate the overall performance of a given number of groups whose members can be of different types, out of the analysis of their relative frequencies. Assuming that types can be ordered from best to worse, the starting point is that of dominance relations in...

Based on the ethical principle of equality of opportunity, this paper presents a measure of the welfare loss that is caused by an unfair distribution of a particular outcome (income, health, education, etc). The key idea is that a fair society should produce outcomes that depend on...