A characterization of optimistic weighted Shapley rules in minimum cost spanning tree problems |
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Authors: | Gustavo Bergantiños Silvia Lorenzo-Freire |
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Institution: | (1) Research Group in Economic Analysis, Universidade de Vigo, Vigo, Spain;(2) Department of Statistics and Operations Research, Universidade de Vigo, Vigo, Spain |
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Abstract: | In this paper we present an axiomatic characterization of the weighted Shapley value of the optimistic TU game associated with a minimum cost spanning tree problem. This characterization is based on two monotonicity properties,
population monotonicity (if a new agent joint the society nobody is worse off) and the strong cost monotonicity (if the connection
cost between any pair of agents increases nobody is better off), and weighted share of extra costs (the extra costs should
be divided proportionally to the weights of the agents).
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Keywords: | Minimum cost spanning tree problems Weighted Shapley values |
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