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Heterogeneous preferences for water rights reforms among smallholder irrigators in South Africa

机译：南非小农灌溉者对水权改革的异类偏好

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In the light of growing water scarcity appropriate institutional arrangements are needed to complement technical interventions, in order to ensure more efficient use and allocation of water in agriculture. A theoretically interesting institutional intervention is the installation or improvement of water rights, but the benefits of such intervention and their distribution are insufficiently researched. This paper contributes to the water rights literature by applying a state-of-the-art valuation method to a case study in South Africa. Using a latent class choice modelling approach the heterogeneity in the benefits generated by changes in water rights is investigated. Two segments could be distinguished in the sample population. While one of the segments has a lot to gain from a water rights reform, benefits for the other seem rather limited. Furthermore they clearly differ in preference for specific improvements. Such considerations should be taken into account in policy design.
机译：鉴于水资源日益短缺，需要采取适当的体制安排来补充技术干预措施，以确保更有效地利用和分配农业用水。从理论上讲，有趣的制度干预是水权的安装或改善，但是对这种干预及其分配的好处还没有进行充分的研究。本文通过将最先进的估值方法应用于南非的案例研究，为水权文献做出了贡献。使用潜在的类别选择建模方法，研究了水权变更产生的收益的异质性。样本人群中可以分为两个部分。尽管其中一个领域可以从水权改革中受益匪浅，但其他领域的收益似乎相当有限。此外，他们在具体改进方面的偏好明显不同。在设计策略时应考虑这些因素。

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