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Parallel axiomatizations of weighted and multiweighted Shapley values, random order values, and the Harsanyi set

Besner, Manfred (2019): Parallel axiomatizations of weighted and multiweighted Shapley values, random order values, and the Harsanyi set.

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Abstract

We present new axiomatic characterizations of five classes of TU-values, the classes of the weighted, positively weighted, and multiweighted Shapley values, random order values, and the Harsanyi set. The axiomatizations are given in parallel, i.e., they differ only in one axiom. In conjunction with marginality, a new property, called coalitional differential dependence, is the key that allows us to dispense with additivity. In addition, we propose new axiomatizations of the above five classes, in which, in part new, different versions of monotonicity, associated with the strong monotonicity in Young (1985), are decisive.

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