We suggest a new one-parameter family of solidarity values for TU-games. The members of this class are distinguished by … the equal division value are the boundary members of this family, the solidarity value is its center. With exception of …

economically sound, i.e., for which the values satisfy desirability and positivity. Put differently, we indicate requirements on … fair taxation in TU games by which solidarity among players is expressed. …

characterization, the null player property indicates the absence of solidarity among the players. First, we replace the null player …-negative. Second, the equal treatment property is strengthened into desirability. This way, we obtain a new characterization of the …

surplus division value is pinpointed to one axiom. Moreover, we shed light on solidarity principles embodied in the equal …

characterization, the null player property indicates the absence of solidarity among the players. First, we replace the null player …-negative. Second, the equal treatment property is strengthened into desirability. This way, we obtain a new characterization of the …. Within this characterization, additivity and desirability can be replaced by strong differential monotonicity, which …