การประเมินผลตอบแทนทางสังคมจากการให้บริการสินค้าสาธารณะของเทศบาลตำบลหนองหอย อำเภอเมืองเชียงใหม่ จังหวัดเชียงใหม่

Abstract

The study evaluated the social returns on investment of providing public goods by Nong Hoi Sub-district municipality in Mueang District, Chiang Mai Province during the fiscal year 2014. There were two projects in this study: 1) Campaign Waste Separation by Savings Lover Familiesfor Future Happiness according to the philosophy of His Majesty the king with the duration period of 5 years, and 2) the construction of concrete drainage system in Moo 1 of Nong Hoi Sub-district with the duration period of 20 years. The Social Returns on Investment (SROI) was applied in both projects to order to review of the efficiency and effectiveness of project operations. The results from this study can be used to improve the strategy, process and pattern of activity as well as project management for the greatest benefit to the public in the future. In this study, the method of focus groups was a tool for data collection from a discussion of stakeholderswho were able to answer on the interested issues. The process inputs,activities, outcomes and impacts were concluded by the focus groups. In addition, they analysed the deadweight, attribution and drop-off and financial proxyfor each impact in order to calculate the net present value (NPV), the social returns on investment (SROI) and the payback period. The study found that the first project had the net present value of 106,671 baht, the social returns on investment of 3.98 meaning that one baht on investment can create social benefits of 3.98 baht and the project reached the break-even within a period of 0.94 year and the second project had the net present value of 1,196,524 baht, the social returns on investment of 2.99 baht meaning that one baht on investment can create social benefits of 2.99 baht and the project reached the break-even within a period of 2 years and 5.33 months. It can be concluded that the implementation of these two projects of Nong Hoi Sub-district municipality had net social benefits and rapid payback.