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...

In allocation problems of perfectly divisible goods, we study the equity property of 'no-domination', according to which no agent can receive strictly more of all goods than any other agent. We prove that no-domination is incompatible with Pareto efficiency, as soon as preferences are allowed to...

In a simple model where skills may differ among agents, we propose to giv e them an equal right to the resources, interpreted as including both the technological possibilities and the skill profile. An equal right guarantees to each agent a minimal welfare level which depends only on her...