Water allocation strategies for the Kat Basin in South Africa: comparing negotiation tools and game theory models
World Bank, Development Research Group, 2006 - Nature - 28 pages
Governments and developing agencies promote participatory approaches in solving common pool resource problems, such as in the water sector. Two main participatory approaches have been applied separately, namely negotiation and mediation. In this paper the authors apply the Role-Playing Game that is a component of the Companion Modeling approach, a negotiation procedure, and the Cooperative Game Theory (Shapley value and the Nucleolus solution concepts) that can be mirrored as a mediated mechanism to a water allocation problem in the Kat watershed in South Africa. While the absolute results of the two approaches differ, the negotiation and the cooperative game theory provide similar shares of the benefit allocated to the players from various cooperative arrangements. By evaluating the two approaches, the authors provide useful tips for future extension for both the Role-Playing Games and the Cooperative Game Theory applications.
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30 Cvcles cabbaee amount of rainfall amount of water Annual water cons area of player assume available water cabbage production calculations CGT solution characteristic function Citrus Farm citrus new technoloev citrus old technoloev Common Pool Resources Companion Modeling approach Cooperative Game Theory cost cycles of cabbage decision dunng DWAF ecological reserve environmental flow evaluating Farolfi and Rowntree Fish River given amount grand coalition hectare of cabbage individual coalitions inhab Inhabitants in catchment Initial Final Difference investment irrigation schemes Jishnu job creation Kat catchment Kat River valley Kat watershed maximize minimum flow November 2006 November Nucleolus outcomes payoff recovery multiplier Role-Playing Games RPG and CGT RPG session rules of behavior Shapley value Share of indwelline solution concept South Africa stakeholders subwatershed Table three players three sub-catchments User Association WUA utility variables village managers water allocation strategies water availability water consumption water sources Water tariff Water User Association World Bank