In this paper, we study intertemporal social welfare evaluations when agents have heterogeneous preferences that are interpersonally noncomparable. We first show that even if all agents share the same preferences, there is a conflict between the axioms of Pareto principle, time consistency, and...

In this paper, we study intertemporal social welfare evaluations when agents have heterogeneous time preferences that are interpersonally noncomparable. We first show that, even if all agents share the same time preferences, there is a conflict between the axioms of Pareto principle, time...