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On the Connection between Individual Scaled Vickrey Payments and the Egalitarian Allocation ...
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Abstract:
The Egalitarian Allocation (EA) is a well-known profit sharing method for cooperative games which attempts to distribute profit among participants in a most equal way while respecting the individual contributions to the obtained profit. Despite having desirable properties from the viewpoint of game theory like being contained in the core, the EA is in general hard to compute. Another well-known method is given by Vickrey Payments (VP). Again, the VP have desirable properties like coalitional rationality, the VP do not fulfill budget balance in general and, thus, are not contained in the core in general. One attempt to overcome this shortcoming is to scale down the VP. This can be done by a unique scaling factor, or, by individual scaling factors. Now, the individual scaled Vickrey Payments (ISV) are computed by maximizing the scaling factors lexicographically. In this paper we show that the ISV payments are in fact identical to a weighted EA, thus exhibiting an interesting connection between EA and VP. With ... : 12 pages ...
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Keyword:
91A12; Computer Science and Game Theory cs.GT; FOS Computer and information sciences
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URL: https://arxiv.org/abs/2106.14442
https://dx.doi.org/10.48550/arxiv.2106.14442
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