We provide possibility results on the aggregation of beliefs and tastes for Monotone, Bernoullian and Archimedian preferences of Cerreia-Vioglio, Ghirardato, Maccheroni, Marinacci, and Siniscalchi (2011). We propose a new axiom, Unambiguous Pareto Dominance, which requires that if the...

[eng] The Attitude to Inequalities in France Considering the Tax and Social Security Contributions System by Thibault Gajdos and Bertrand Lhommeau . Classic measurements of inequalities consider the collective aversion to inequalities to be an a priori fixed parameter. This paper proposes using...

The axioms that characterize the generalized Gini social evaluation orderings for one-dimensional distributions are extended to the multidimensional attributes case. A social evaluation ordering is shown to have a two-stage aggregation representation if these axioms and a separability assumption...