Political decision-makers face increasing demands to justify their actions with respect to multiple normative objectives or values. Here, we provide a general philosophical-economic clarification of the discussion of value pluralism, value-efficiency (i.e. efficiency with respect to values) and...

Nash's characterization of his famous bargaining solution has long faced the objection of being welfarist: a bargaining situation is captured by a utility possibility set and a utility vector prevailing in case of disagreement, with no further information regarding the underlying economic...

This paper, which is to be published as a chapter in the Oxford Handbook of Political Economy, provides an introduction to social-choice theory with interpersonal comparisons of well-being. We argue that the most promising route of escape from the negative conclusion of Arrow’s theorem is to...