Some theorists believe that there is a plurality of values, and that in many circumstances these values are incommensurable, or at least incomparable. Others believe that all values are reducible to a single super-value, or that even if there is a plurality of irreducible values these values are...

This paper tries to answer the following research question: can multidimensional concepts like well-being or sustainability be measured by using a single metric such as shadow prices? The defence of shadow prices is generally based on the pragmatic argument that different dimensions (economic,...

The basis of the capability approach (CA) was recently attacked by a paper by Prasanta Pattanaik and Yonghseng Xu: the CA is strongly committed to two substantial principles, dominance on the one hand, and relativism on the other hand. The authors have shown these two principles, along with a...