The nucleolus and kernel of veto-rich transferable utility games

The nucleolus and kernel of veto-rich transferable utility games

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Article ID: iaor19972475
Country: Germany
Volume: 26
Issue: 1
Start Page Number: 61
End Page Number: 73
Publication Date: Jan 1997
Journal: International Journal of Game Theory
Authors: ,
Abstract:

The process of computing the nucleolus of arbitrary transferable utility games is notoriously hard. A number of papers have appeared in which the nucleolus is computed by an algorithm in which either one or a huge number of huge linear programs have to be solved. The authors show that on the class of veto-rich games, the nucleolus is the unique kernel element. Veto-rich games are games in which one of the players is needed by coalitions in order to obtain a non-zero payoff. The authors then provide a fast algorithm which does not use linear programming techniques to compute the nucleolus of these games. Furthermore, they provide a few examples of economic situations which belong to the class of veto-rich games and which are treated in the literature.

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