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The Shapley value without efficiency and additivity

  • We provide a new characterization of the Shapley value neither using the efficiency axiom nor the additivity axiom. In this characterization, efficiency is replaced by the gain-loss axiom (Einy and Haimanko, 2011, Game Econ Behav 73: 615.621), i.e., whenever the total worth generated does not change, a player can only gain at the expense of another one. Additivity and the equal treatment axiom are substituted by fairness (van den Brink, 2001, Int J Game Theory 30: 309.319) or differential marginality (Casajus, 2011, Theor Decis 71: 163.174), where the latter requires equal productivity differentials of two players to translate into equal payoff differentials. The third axiom of our characterization is the standard dummy player axiom.

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Document Type:Working Paper
Author:André CasajusORCiD
Chairs and Professorships:Chair of Economics and Information Systems
Year of Completion:2013
HHL Working Paper 122. Leipzig: HHL Leipzig Graduate School of Management, 2013