Hierarchical organization structures and constraints on coalition formation

Hierarchical organization structures and constraints on coalition formation

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Article ID: iaor19961713
Country: Germany
Volume: 24
Issue: 2
Start Page Number: 147
End Page Number: 163
Publication Date: Apr 1995
Journal: International Journal of Game Theory
Authors: ,
Keywords: Weber problem
Abstract:

This paper studies the constraints in coalition formation that result from a hierarchical organization structure on the class of players in a cooperative game with transferable utilities. If one assumes that the superiors of a certain individual have to give permission to the actions undertaken by the individual, ten one arrives at a limited collection of formable or autonomous coalitions. This resulting collection is a lattice of subsets on the player set. The authors show that if the collection of formable coalition is limited to a lattice, the core allows for (infinite) exploitation of subordinates. For discerning lattices they are able to generalize the results of Weber, namely the core is a subset of the convex hull of the collection of all attainable marginal contribution vectors plys a fixed cone. This relation is an equality if and only if the game is convex. This extends the results of Shapley and Ichiishi.

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