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Group contributions in TU-games: A class of k-lateral Shapley values

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  • Borkotokey, Surajit
  • Choudhury, Dhrubajit
  • Gogoi, Loyimee
  • Kumar, Rajnish

Abstract

In this paper we introduce the notion of group contributions in TU-games and propose a new class of values which we call the class of k-lateral Shapley values. Most of the values for TU-games implicitly assume that players are independent in deciding to leave or join a coalition. However, in many real life situations players are bound by the decisions taken by their peers. This leads to the idea of group contributions where we consider the marginality of groups upto a certain size. We show that group contributions can play an important role in determining players’ shares in the total resource they generate. The proposed value has the flavor of egalitarianism within group contributions. We provide two characterizations of our values.

Suggested Citation

  • Borkotokey, Surajit & Choudhury, Dhrubajit & Gogoi, Loyimee & Kumar, Rajnish, 2020. "Group contributions in TU-games: A class of k-lateral Shapley values," European Journal of Operational Research, Elsevier, vol. 286(2), pages 637-648.
    • Handle: RePEc:eee:ejores:v:286:y:2020:i:2:p:637-648
    DOI: 10.1016/j.ejor.2020.03.054
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    References listed on IDEAS

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    2. Gusev, Vasily V., 2021. "Nash-stable coalition partition and potential functions in games with coalition structure," European Journal of Operational Research, Elsevier, vol. 295(3), pages 1180-1188.
    3. Rong Zou & Wenzhong Li & Marc Uetz & Genjiu Xu, 2023. "Two-step Shapley-solidarity value for cooperative games with coalition structure," OR Spectrum: Quantitative Approaches in Management, Springer;Gesellschaft für Operations Research e.V., vol. 45(1), pages 1-25, March.

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