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A coco theory for cooperative bargaining

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  • Rachmilevitch, Shiran

Abstract

I introduce a coco decomposition for bargaining solutions, analogous to the one Kalai and Kalai (2013) introduced for 2-person games in strategic form. On the basis of this decomposition I formulate a coco axiom, and show that the Nash bargaining solution is the unique scale covariant solution that satisfies it.

Suggested Citation

  • Rachmilevitch, Shiran, 2025. "A coco theory for cooperative bargaining," Journal of Economic Behavior & Organization, Elsevier, vol. 238(C).
    • Handle: RePEc:eee:jeborg:v:238:y:2025:i:c:s0167268125003683
    DOI: 10.1016/j.jebo.2025.107249
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    References listed on IDEAS

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    1. Vartiainen, Hannu, 2007. "Collective choice with endogenous reference outcome," Games and Economic Behavior, Elsevier, vol. 58(1), pages 172-180, January.
    2. Bozbay, Irem & Dietrich, Franz & Peters, Hans, 2012. "Bargaining with endogenous disagreement: The extended Kalai–Smorodinsky solution," Games and Economic Behavior, Elsevier, vol. 74(1), pages 407-417.
    3. Walter Trockel, 2015. "Axiomatization of the discrete Raiffa solution," Economic Theory Bulletin, Springer;Society for the Advancement of Economic Theory (SAET), vol. 3(1), pages 9-17, April.
    4. Chun, Youngsub, 1988. "The equal-loss principle for bargaining problems," Economics Letters, Elsevier, vol. 26(2), pages 103-106.
    5. Karos, Dominik & Rachmilevitch, Shiran, 2025. "Axiomatic bargaining theory: New wine from old bottles," Games and Economic Behavior, Elsevier, vol. 149(C), pages 112-117.
    6. Thomson, William, 1994. "Cooperative models of bargaining," Handbook of Game Theory with Economic Applications, in: R.J. Aumann & S. Hart (ed.), Handbook of Game Theory with Economic Applications, edition 1, volume 2, chapter 35, pages 1237-1284, Elsevier.
    7. Adam Kalai & Ehud Kalai, 2013. "Cooperation in Strategic Games Revisited," The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 128(2), pages 917-966.
    8. Rachmilevitch, Shiran, 2024. "The Nash bargaining solution and utilitarian–egalitarian social welfare functions," Economics Letters, Elsevier, vol. 244(C).
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