Sharing a damage that has been caused jointly by several individuals - called tortfeasors - is a difficult problem that courts often face. Even if there are basic principles and rules to apportion damages among them, legal scholars are still looking for a systematic apportionment method. We...

All quasivalues rest on a set of three basic axioms (efficiency, null player, and additivity), which are augmented with positivity for random order values, and with positivity and partnership for weighted values. We introduce the concept of Moebius value associated with a o sharing system and...

This paper deals with the issue of how to allocate greenhouse gas emission permits to nations in the long run. The so-called "equitable" rules to allocate such permits under a global agreement (per capita or grandfathering allocation rules for instance) do not necessarily ensure stability in the...