We consider a quasi-linear economy with satiation points for the public good which can be different from an individual to another. We prove that if the range of the support of the distribution of satiation points is greater than the average of satiation points, there always exist wealth...

In a model where agents have unequal production skills and different preferences, we build social welfare functions which rely only on ordinal non-comparable information on individual preferences. Social welfare functions are required to satisfy properties of compensation for inequalities in...