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The Good, The Bad and The Cautious: Safety Level Cooperative Games

Bachrach, Yoram, Polukarov, Maria and Jennings, Nick (2010) The Good, The Bad and The Cautious: Safety Level Cooperative Games At Proc. 6th Int Workshop on Internet and Network Economics (WINE-2010), United States. 13 - 17 Dec 2010. , pp. 432-443.

Record type: Conference or Workshop Item (Paper)

Abstract

We study safety level coalitions in competitive games. Given a normal form game, we define a corresponding cooperative game with transferable utility, where the value of each coalition is determined by the safety level payoff it derives in the original---non-cooperative---game. We thus capture several key features of agents' behavior: (i) the possible monetary transfer among the coalition members; (ii) the solidarity of the outsiders against the collaborators; (iii) the need for the coalition to optimize its actions against the worst possible behavior of those outside the coalition. We examine the concept of safety level cooperation in congestion games, and focus on computing the value of coalitions, the core and the Shapley value in the resulting safety level cooperative games. We provide tractable algorithms for anonymous cooperative games and for safety level cooperative games that correspond to symmetric congestion games with singleton strategies. However, we show hardness of several problems such as computing values in games with multi-resource strategies or asymmetric strategy spaces.

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More information

Published date: December 2010
Additional Information: Event Dates: December 13-17, 2010
Venue - Dates: Proc. 6th Int Workshop on Internet and Network Economics (WINE-2010), United States, 2010-12-13 - 2010-12-17
Organisations: Agents, Interactions & Complexity

Identifiers

Local EPrints ID: 271641
URI: http://eprints.soton.ac.uk/id/eprint/271641
PURE UUID: 0403780b-0bbd-44eb-9fa7-21a9043dce06

Catalogue record

Date deposited: 19 Oct 2010 13:30
Last modified: 18 Jul 2017 06:40

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Contributors

Author: Yoram Bachrach
Author: Maria Polukarov
Author: Nick Jennings

University divisions

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