Functions and Cost of Irrigation Service at the Aichi Irrigation Scheme
Because of externalities, it is difficult to study an irrigation service segmented into service receivers. The case study of the Aichi IS shows that irrigation services combine a private good-type service and a public good-type service. This complexity causes problems with cost-benefit relations and the flexible supply of services. The authors propose analyzing functions and cost of actual irrigation services to solve these problems. To achieve a staged solution to these problems, first, core services are selected and, including private–public relations, the benefits of functions and the cost of functions should be well balanced.
KeywordsCost-benefit analysis Externalities Irrigation service Public good
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