We propose an indirect and robust method to detect a change in the concentration of economic affluence defined as an aggregate measure of the command over lifetime resources when the full stream of income receipts along the life cycle is unknown and only consumption surveys are available. The...

We investigate under which conditions it is possible to infer the evolution of poverty at the individual level from the knowledge of poverty among households. Poverty measurement is approached by the poverty orderings introduced by Foster and Shorrocks (1988). The analysis is based on a reduced...

We offer a model of equality of opportunity that encompasses different conceptions expressed in the public debate. In addition to circumstances whose effect on outcome should be compensated and eort which represents a legitimate source of inequality, we introduce a third factor, luck, that...

This paper analyzes the relationship between income inequality and inequality of opportunities for income acquisition in nine developed countries during the nineties. We develop a new definition of equality of opportunity and show how it can be implemented empirically. Equality of opportunity is...