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Sharing a River

Author

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  • AMBEC, Steve
  • SPRUMONT, Yves

Abstract

A group of agents located along a river have quasi-linear preferences over water and money. We ask how the water should be allocated and what money transfers should be performed. We are interested in efficiency, stability (in the sense of the core), and fairness (in a sense to be defined). We first show that the cooperative game associated with our problem is convex : its core is therefore large and easily described. Next, we propose the following fairness requirement : no group of agents should enjoy a welfare higher than what it could achieve in the absence of the remaining agents. We prove that only one welfare vector in the core satisfies this condition : it is the marginal contribution vector corresponding to the ordering of the agents along the river. We discuss how it could be decentralized or implemented.

Suggested Citation

  • AMBEC, Steve & SPRUMONT, Yves, 2000. "Sharing a River," Cahiers de recherche 2000-08, Universite de Montreal, Departement de sciences economiques.
  • Handle: RePEc:mtl:montde:2000-08
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    File URL: http://hdl.handle.net/1866/332
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    References listed on IDEAS

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    1. Hervé Moulin, 1990. "Joint Ownership of a Convex Technology: Comparison of Three Solutions," Review of Economic Studies, Oxford University Press, vol. 57(3), pages 439-452.
    2. Young, Robert A. & Haveman, Robert H., 1985. "Economics of water resources: a survey," Handbook of Natural Resource and Energy Economics,in: A. V. Kneese† & J. L. Sweeney (ed.), Handbook of Natural Resource and Energy Economics, edition 1, volume 2, chapter 11, pages 465-529 Elsevier.
    3. Dutta, Bhaskar & Ray, Debraj, 1989. "A Concept of Egalitarianism under Participation Constraints," Econometrica, Econometric Society, vol. 57(3), pages 615-635, May.
    4. Moulin, Herve, 1990. "Uniform externalities : Two axioms for fair allocation," Journal of Public Economics, Elsevier, vol. 43(3), pages 305-326, December.
    5. Dinar, Ariel & Rosegrant, Mark W. & Meinzen-Dick, Ruth, 1997. "Water allocation mechanisms : principles and examples," Policy Research Working Paper Series 1779, The World Bank.
    6. Kilgour, D. Marc & Dinar, Ariel, 1995. "Are stable agreements for sharing international river waters now possible?," Policy Research Working Paper Series 1474, The World Bank.
    7. Greenberg, Joseph & Weber, Shlomo, 1986. "Strong tiebout equilibrium under restricted preferences domain," Journal of Economic Theory, Elsevier, vol. 38(1), pages 101-117, February.
    8. Sharkey, W.W., 1991. "Network Models in Economics," Papers 69, Bell Communications - Economic Research Group.
    9. Champsaur, Paul & Laroque, Guy, 1981. "Fair allocations in large economies," Journal of Economic Theory, Elsevier, vol. 25(2), pages 269-282, October.
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    More about this item

    Keywords

    common orty resources; fair allocation; core;

    JEL classification:

    • C25 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Discrete Regression and Qualitative Choice Models; Discrete Regressors; Proportions; Probabilities
    • D71 - Microeconomics - - Analysis of Collective Decision-Making - - - Social Choice; Clubs; Committees; Associations

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