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Determinants of water purchases by pistachio producers in an informal groundwater market: a case study from Iran

机译：开心果生产者在非正式地下水市场上购买水的决定因素：来自伊朗的案例研究

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摘要

Market-based water allocation systems have the potential to ensure that scarce water will flow to the user who earns the highest marginal value from that water. However, the number of recorded instances where water supply problems are solved by market-based systems remains limited. This study attempts to identify the decisive factors that motivate farmers' participation in informal spot water markets in the Rafsanjan aquifer in south-eastern Iran. A two-stage random sampling was carried out in a field survey from November 2008 to February 2009. A logit model is used to test the factors affecting farmers' decisions to buy groundwater from neighbours who share the same pump. The results show that the technological variables contribute substantially to the participation decision. For example, a decrease in water quality, an increase in the age of the garden, and an increase in the size of the water quota reduce the probability of participation. In contrast, more scattered plots, a higher water flow level from pumping, and a deeper well increase the probability of participation in water markets. Finally, the results suggest that in this area, the participation in water markets is motivated more by profit increasing factors than by farmer socioeconomic characteristics.
机译：基于市场的水分配系统具有确保稀缺水流向从中获得最高边际价值的用户的潜力。但是，通过基于市场的系统解决供水问题的已记录实例数量仍然有限。这项研究试图找出决定因素，促使农民参与伊朗东南部Rafsanjan含水层中的非正式现货水市场。在2008年11月至2009年2月的一次实地调查中，进行了两阶段随机抽样。使用logit模型测试影响农民决定从共享同一泵的邻居那里购买地下水的因素。结果表明，技术变量在很大程度上有助于参与决策。例如，水质的下降，花园年龄的增加以及水配额的增加都会降低参与的可能性。相反，地块越分散，抽水产生的水流量越高，井越深，参与水市场的可能性就越大。最后，结果表明，在该地区，参与水市场更多是由利润增加因素驱动，而不是由农民的社会经济特征驱动。

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