Properties based on relative contributions for cooperative games with transferable utilities

Yoshio Kamijo and Takumi Kongo ()

Theory and Decision, 2015, vol. 78, issue 1, 77-87

Abstract: By focusing on players’ relative contributions, we study some properties for values in positive cooperative games with transferable utilities. The well-known properties of symmetry (also known as “equal treatment of equals”) and marginality are based on players’ marginal contributions to coalitions. Both Myerson’s balanced contributions property and its generalization of the balanced cycle contributions property (Kamijo and Kongo Int J of Game Theory 39:563–571, 2010 ; BCC) are based on players’ marginal contributions to other players. We define relative versions of marginality and BCC by replacing marginal contributions with relative contributions, and examine efficient values satisfying each of the two properties. On the class of positive games, a relative variation of marginality is incompatible with efficiency, and together with efficiency and the invariance property with respect to the payoffs of players under a player deletion, a relative variation of BCC characterizes the proportional value and egalitarian value in a unified manner. Copyright Springer Science+Business Media New York 2015

Keywords: Cooperative games; Relative contributions; Axiomatic characterization; Proportional value; Egalitarian value (search for similar items in EconPapers)
Date: 2015
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Citations: View citations in EconPapers (5)

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DOI: 10.1007/s11238-013-9402-3

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