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Consolidating Marginalism and Egalitarianism: A New Value for Transferable Utility Games

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  • D. Choudhury
  • S. Borkotokey
  • Rajnish Kumar
  • Sudipta Sarangi

Abstract

In cooperative games with transferable utilities, the Shapley value is an extreme case of marginalism while the Equal Division rule is an extreme case of egalitarianism. The Shapley value does not assign anything to the non-productive players and the Equal Division rule does not concern itself to the relative efficiency of the players in generating a resource. However, in real life situations neither of them is a good fit for the fair distribution of resources as the society is neither devoid of solidarity nor it can be indifferent to rewarding the relatively more productive players. Thus a trade-off between these two extreme cases has caught attention from many researchers. In this paper, we obtain a new value for cooperative games with transferable utilities that adopts egalitarianism in smaller coalitions on one hand and on the other hand takes care of the players' marginal productivity in sufficiently large coalitions. Our value is identical with the Shapley value on one extreme and the Equal Division rule on the other extreme. We provide four characterizations of the value using variants of standard axioms in the literature. We have also developed a strategic implementation mechanism of our value in sub-game perfect Nash equilibrium.

Suggested Citation

  • D. Choudhury & S. Borkotokey & Rajnish Kumar & Sudipta Sarangi, 2022. "Consolidating Marginalism and Egalitarianism: A New Value for Transferable Utility Games," Papers 2201.09182, arXiv.org.
    • Handle: RePEc:arx:papers:2201.09182
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    References listed on IDEAS

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    1. Rodica Branzei & Dinko Dimitrov & Stef Tijs, 2008. "Models in Cooperative Game Theory," Springer Books, Springer, edition 0, number 978-3-540-77954-4, December.
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    4. Radzik, Tadeusz & Driessen, Theo, 2013. "On a family of values for TU-games generalizing the Shapley value," Mathematical Social Sciences, Elsevier, vol. 65(2), pages 105-111.
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    9. Tadeusz Radzik & Theo Driessen, 2016. "Modeling values for TU-games using generalized versions of consistency, standardness and the null player property," Mathematical Methods of Operations Research, Springer;Gesellschaft für Operations Research (GOR);Nederlands Genootschap voor Besliskunde (NGB), vol. 83(2), pages 179-205, April.
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    1. Surajit Borkotokey & Dhrubajit Choudhury & Rajnish Kumar & Sudipta Sarangi, 2023. "A new value for cooperative games based on coalition size," International Journal of Economic Theory, The International Society for Economic Theory, vol. 19(4), pages 830-854, December.

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    More about this item

    JEL classification:

    • C71 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Cooperative Games
    • D60 - Microeconomics - - Welfare Economics - - - General

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