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The kernel is in the least core for permutation games

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  • Tamas Solymosi

    (Momentum' Game Theory Research Group, Institute of Economics, Research Center for Economic and Regional Studies, Hungarian Academy of Sciences)

Abstract

Permutation games are totally balanced transferable utility cooperative games arising from certain sequencing and re-assignment optimization problems. It is known that for permutation games the bargaining set and the core coincide, consequently, the kernel is a subset of the core. We prove that for permutation games the kernel is contained in the least core, even if the latter is a lower dimensional subset of the core. By means of a 5-player permutation game we demonstrate that, in sense of the lexicographic center procedure leading to the nucleolus, this inclusion result can not be strengthened. Our 5-player permutation game is also an example (of minimum size) for a game with a non-convex kernel.

Suggested Citation

  • Tamas Solymosi, 2014. "The kernel is in the least core for permutation games," CERS-IE WORKING PAPERS 1402, Institute of Economics, Centre for Economic and Regional Studies.
    • Handle: RePEc:has:discpr:1402
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    References listed on IDEAS

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    1. Curiel, I. & Tijs, S.H., 1986. "Assignment games and permutation games," Other publications TiSEM c9a47c3b-28d3-4874-b0a2-f, Tilburg University, School of Economics and Management.
    2. Tamás Solymosi, 2002. "The bargaining set of four-person balanced games," International Journal of Game Theory, Springer;Game Theory Society, vol. 31(1), pages 1-11.
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    4. Holger Ingmar Meinhardt, 2014. "The Pre-Kernel as a Tractable Solution for Cooperative Games," Theory and Decision Library C, Springer, edition 127, number 978-3-642-39549-9, December.
    5. Solymosi, T. & Raghavan, T.E.S. & Tijs, S.H., 2003. "Bargaining sets and the core in permutation games," Other publications TiSEM a14f6955-62c4-4bf0-8a54-f, Tilburg University, School of Economics and Management.
    6. Solymosi, Tamas & Raghavan, T. E. S. & Tijs, Stef, 2005. "Computing the nucleolus of cyclic permutation games," European Journal of Operational Research, Elsevier, vol. 162(1), pages 270-280, April.
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    10. M. Maschler & B. Peleg & L. S. Shapley, 1979. "Geometric Properties of the Kernel, Nucleolus, and Related Solution Concepts," Mathematics of Operations Research, INFORMS, vol. 4(4), pages 303-338, November.
    11. Daniel Granot, 2010. "The reactive bargaining set for cooperative games," International Journal of Game Theory, Springer;Game Theory Society, vol. 39(1), pages 163-170, March.
    12. Tijs, S.H. & Parthasarathy, T. & Potters, J.A.M. & Rajendra Prasad, V., 1984. "Permutation games : Another class of totally balanced games," Other publications TiSEM a7edfa18-6224-4be3-b677-5, Tilburg University, School of Economics and Management.
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    Cited by:

    1. Elena Iñarra & Roberto Serrano & Ken-Ichi Shimomura, 2020. "The Nucleolus, the Kernel, and the Bargaining Set: An Update," Revue économique, Presses de Sciences-Po, vol. 71(2), pages 225-266.
    2. Wen, Yao & An, Qingxian & Gong, Yeming & Wu, Pengkun, 2024. "Structural rearrangement of the network system from an efficiency perspective: A silver lining of profit improvement," European Journal of Operational Research, Elsevier, vol. 316(3), pages 1001-1011.
    3. Meinhardt, Holger Ingmar, 2014. "A Note on the Computation of the Pre-Kernel for Permutation Games," MPRA Paper 59365, University Library of Munich, Germany.
    4. Ferenc Forgó & László Kóczy & Miklós Pintér, 2015. "Editorial," Central European Journal of Operations Research, Springer;Slovak Society for Operations Research;Hungarian Operational Research Society;Czech Society for Operations Research;Österr. Gesellschaft für Operations Research (ÖGOR);Slovenian Society Informatika - Section for Operational Research;Croatian Operational Research Society, vol. 23(4), pages 723-725, December.

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    More about this item

    Keywords

    permutation game; least core; kernel;
    All these keywords.

    JEL classification:

    • C71 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Cooperative Games

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