Analysis of water right allocation based on multi-criteria decision-making and game theory:A case study of Zhejiang Province
[Objective]The allocation of water resources serves as a significant approach to addressing conflicts associated with water resources.It is essential to consider the holistic perspective of social and economic development and decision-making inter-action among water users while rationalizing the allocation of water rights.[Methods]Zhejiang Province is taken as the research area,where an index system is established based on multi-criteria decision-making.Additionally,a master-slave game model is devised using game theory to configure water rights.The configuration result are then compared and analyzed in conjunction with the present circumstances,aiming to explore the applicability of the two schemes.[Results]The result indicate that:both schemes have the same total water rights.However,the game theory scheme shows a total water income of 6 516.7 billion yuan,which is a 9％increase from the 5 964.9 billion yuan of the multi-criteria decision-making scheme.The water rights allocation and total income result in cities like Shaoxing,Jinhua,and Taizhou are quite similar for both schemes.The water rights alloca-tion result of the game theory scheme align more closely with the water demand of each region.On the other hand,the water rights allocation of the multi-criteria decision-making scheme significantly exceeds the water demand in Quzhou,Huzhou,and Lishui.[Conclusion]The multi-criteria decision-making scheme provides a rough measurement of water rights based on various indicators,particularly when there is limited information available.The constructed water rights allocation index system is reason-able,albeit imperfect in terms of determining and evaluating water rights,resultsing in a gap between the allocation result and actual needs.On the other hand,the master-slave game model effectively resolves conflicts at different levels,ensuring a water supply guarantee for individual water users.Furthermore,the water rights allocationresult derived from this model are more scien-tifically and reasonably determined,which helps to curb wasteful and inefficient use of water resources to some extent.This com-parison and analysis of water right allocation result between the two schemes presented in this research offer valuable insights for decision-makers in effectively managing water rights allocation.
water resource allocationmulti-criteria decision-makingmaster-slave gamewater resourceinfluence factor
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