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Data games: Sharing public goods with exclusion

  • Pierre Dehez
  • Daniela Tellone

A group of firms decides to cooperate on a project that requires a combination of inputs held by some of them. These inputs are non-rival but excludable goods i.e. public goods with exclusion such as knowledge, data or information, patents or copyrights. We address the question of how firms should be compensated for the inputs they contribute. We show that this problem can be framed within a cost sharing game whose Shapley comes out as a natural solution. The main result concerns the regular structure of the core that enables a simple characterization of the nucleolus. However, compared to the Shapley value, the nucleolus defines compensations that appear to be less appropriate in the context of data sharing. Our analysis is inspired by the problem faced by the European chemical firms within the regulation program REACH that requires submission by 2018 of a detailed analysis of the substances they produce, import or use.

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Paper provided by Bureau d'Economie Théorique et Appliquée, UDS, Strasbourg in its series Working Papers of BETA with number 2011-04.

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Date of creation: 2011
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Handle: RePEc:ulp:sbbeta:2011-04
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  1. Thierry Burger-Helmchen & Laurence Frank, 2011. "La création de rentes : une approche par les compétences et capacités dynamiques," Working Papers of BETA 2011-01, Bureau d'Economie Théorique et Appliquée, UDS, Strasbourg.
  2. DEHEZ, Pierre & TELLONE, Daniela, 2008. "Data games. Sharing public goods with exclusion," CORE Discussion Papers 2008010, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
  3. Sylvain Béal & Marc Deschamps & Joël-Thomas Ravix & Olivier Sautel, 2010. "Les informations exigées par la législation REACH : Analyse du partage des coûts," Revue d'économie politique, Dalloz, vol. 120(6), pages 991-1014.
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