Social capital as an instrument for common pool resource management: a case study of irrigation management in Sri Lanka
Social capital as an instrument for common pool resource management: a case study of irrigation management in Sri Lanka
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DOI：
10.1093/oep/gpy058
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发表时间：
2011-08
期刊：
影响因子：
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通讯作者：
Takeshi Aida
中科院分区：
文献类型：
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作者：
Takeshi Aida
虽然社会资本被认为是公共池资源（CPR）管理的关键工具，但其对灌溉渠上游和下游农民等异质性参与者的影响尚不清楚。本研究采用实验室实地实验相结合的方法，在独特的自然实验环境中测量社会资本和家庭调查数据，结果表明上游农户对下游农户的信任度越高，对下游农户的用水满意度越高。这一发现与假设是一致的，即信任度较高的上游农民对水的需求更少，而在运河里留下更多的水，因为他们期望下游农民的互惠行为。由于灌溉管理的激励结构与衡量社会资本的标准实验非常相似，这一发现也为这些实验的现实相关性提供了一个独特的案例研究。
Although social capital is considered to be a key instrument for common pool resource (CPR) management, its effect among heterogenous players such as upstream and downstream farmers along an irrigation canal is not clear. Using a combination of lab-in-the-field experiments to measure social capital and household survey data in a unique natural experimental setting, this study shows that upstream farmers with higher trust toward the downstream farmers are more likely to be satisfied with their water usage. This finding is consistent with the hypothesis that upstream farmers with higher trust demand less water and leave more water in a canal because they expect reciprocal behaviour from downstream farmers. Since the incentive structures of irrigation management closely resemble those of the standard experiments to measure social capital, this finding also provides a unique case study of the real-world relevance of these experiments.