Cost sharing with multiple technologies
We study cost sharing problems where gains from cooperation can come from the presence of other agents, such as when agents share their technologies. A simple model is built, where economies of scale are eliminated in order to study this effect. We use as the key axiom the property that, if an agent does not improve the technology of any coalition he joins, he should not get any part of the gain from cooperation. With properties of linearity and symmetry, this axiom characterizes a well-defined set of rules. From this set, we propose a rule derived from the familiar Shapley value. We show that it is the only rule in that set satisfying an upper-limit property on individual cost allocations or a monotonicity property when technology improves. We also derive a distinct rule using a property that ensures that no coalition has an incentive to manipulate the individual demands of its members.
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- Moulin, Herve & Sprumont, Yves, 2006.
"Responsibility and cross-subsidization in cost sharing,"
Games and Economic Behavior,
Elsevier, vol. 55(1), pages 152-188, April.
- MOULIN, Hervé & SPRUMONT, Yves., 2002. "Responsibility and Cross-Subsidization in Cost Sharing," Cahiers de recherche 2002-19, Universite de Montreal, Departement de sciences economiques.
- Hervé MOULIN & Yves SPRUMONT, 2002. "Responsibility And Cross-Subsidization In Cost Sharing," Cahiers de recherche 19-2002, Centre interuniversitaire de recherche en économie quantitative, CIREQ.
- Moulin, Herve & Sprumont, Yves, 2002. "Responsibility and Cross-Subsidization in Cost Sharing," Working Papers 2002-05, Rice University, Department of Economics.
- Wang, YunTong, 1999. "The additivity and dummy axioms in the discrete cost sharing model," Economics Letters, Elsevier, vol. 64(2), pages 187-192, August.
- Justin Leroux, 2006.
"Cooperative production under diminishing marginal returns: Interpreting fixed-path methods,"
Cahiers de recherche
06-10, HEC Montréal, Institut d'économie appliquée.
- Justin Leroux, 2007. "Cooperative production under diminishing marginal returns: interpreting fixed-path methods," Social Choice and Welfare, Springer;The Society for Social Choice and Welfare, vol. 29(1), pages 35-53, July.
- Eric J. Friedman, 2004. "Paths and consistency in additive cost sharing," International Journal of Game Theory, Springer;Game Theory Society, vol. 32(4), pages 501-518, 08.
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