There exists a utilitarian tradition a la Sidgwick of treating equal generations equally in the form of anonymity. Diamond showed that no social evaluation ordering over infinite utility streams satisfying the Pareto principle, Sidgwick's equity principle, and the axiom of continuity exists. We...

A welfaristic method of policy evaluation focuses exclusively on the effect of the policy on individuals' utilities. In contrast, a non-welfaristic way of assessing policies attaches some importance to factors other than the effects of policies on individuals' utilities. This paper develops a...

In the presence of (at least locally) increasing returns to scale tech- nologies, the paper asks the question: does there exist an economic system which implements Pareto efficient allocations and respects the voluntary participation principle? To answer this question, the paper formulates an...