Journal of Rural Development
Agricultural Infrastructure and Cropping System Shifts: An Economic Evaluatio
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AuthorLee, Hwanoong
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Publication Date2025.12.21
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Original
This study empirically examines the impact of the Agricultural Infrastructure Improvement Project, emphasising rural water development and cropping systems and their economic implications. Parcel-level cultivation data were constructed by integrating the Agricultural Management Entity database with GIS information on beneficiary areas, and the Difference-in-Differences framework of Callaway and Sant’Anna (2021) was applied to account for heterogeneous project completion times. The results indicated that, after facility completion, the share of rice cultivation within the same village decreased by 0.374 percentage points, while upland crop cultivation increased by 0.144 percentage points, reflecting a structural shift in cropping patterns. A benefit–cost analysis incorporating this shift produced a B/C ratio of 0.02. Although modest in conventional terms, the findings highlight the policy relevance of agricultural infrastructure in promoting crop diversification, enhancing farm household income and stability, and providing empirical evidence for feasibility assessments and policy decisions.
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