Marc Fleurbaey : Fairness , Responsibility , and Welfare

Marc Fleurbaey and François Maniquet, A Theory of Fairness and Social Welfare

Social choice and the indexing dilemma

This paper distinguishes an index ordering and a social ordering function as a simple way to formalize the indexing problem in the social choice framework. Two main conclusions are derived. First, the alleged dilemma between welfarism and perfectionnism is shown to involve a third possibility, exemplified by the fairness approach to social choice. Second, the idea that an individual is better o...

The news of the death of welfare economics is greatly exaggerated

No-envy, efficiency, and collective rationality

We consider the problem of a fair collective choice function (fair CCF) which maps each profile of extended preference orderings into the set of fair social states (the set consists of alternatives which are both Pareto efficient and envy-free) when such a set exists. Our main objective is to examine compatibility of fair social choices with collective rationality. We formulate desirable proper...

Inequality Aversion and Separability in Social Risk Evaluation Marc

This paper examines how to satisfy a separability condition related to " independence of the utilities of the dead " (Blackorby et al., 1995; Bommier and Zuber, 2008) in the class of " expected equally distributed equivalent " social orderings (Fleurbaey, 2010). It also inquires into the possibility to keep some aversion to inequality in this context. It is shown that the social welfare functio...