Measuring water resource use efficiency of the Dong Nai River Basin (Vietnam): an application of the two-stage data envelopment analysis (DEA)

Nguyen Truc Le, Nguyen An Thinh (), Nguyen Thi Vinh Ha, Nguyen Dinh Tien, Nguyen Duc Lam, Nguyen Van Hong, Nguyen Tat Tuan, Ta Van Hanh, Nguyen Ngoc Khanh, Nguyen Ngoc Thanh and Luc Hens
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Nguyen Truc Le: Vietnam National University
Nguyen An Thinh: Vietnam National University
Nguyen Thi Vinh Ha: Vietnam National University
Nguyen Dinh Tien: Vietnam National University
Nguyen Duc Lam: Vietnam National University
Nguyen Van Hong: Vietnam Academy of Science and Technology (VAST)
Nguyen Tat Tuan: Centre for Water Resources Warning and Forecasting (CEWAFO)
Ta Van Hanh: Vietnam Academy of Science and Technology (VAST)
Nguyen Ngoc Khanh: Vietnam Academy of Social Sciences (VASS)
Nguyen Ngoc Thanh: Vietnam Academy of Social Sciences (VASS)
Luc Hens: Flemish Institute for Technological Research (VITO)

Environment, Development and Sustainability: A Multidisciplinary Approach to the Theory and Practice of Sustainable Development, 2022, vol. 24, issue 10, No 41, 12427-12445

Abstract: Abstract The recent growth of agriculture, industry and urban areas in Vietnam requires a large amount of water consumption as a production factor. This paper explores the water resource use efficiency (WRUE) of the Vietnamese Dong Nai River Basin during 2010–2017. Twenty-nine sub-basins of the Dong Nai River Basin are selected as decision-making units to characterize WRUE. The relationship between water use and the socio-economic development is analyzed using the WRUE in the social and economic subsystems. The results show that: (1) most water is used by agriculture (72% of water resource consumption), next to industry (12%) and service (9%); (2) On the WRUE in both social and economic subsystems, Phuoc Hoa and Sai Gon sub-basins have the efficiency optimum. Water use in Can Don is technically efficient. Sub-basins of Dong Nai 1–8 have the lowest technical efficiency; (3) The Dong Nai River Basin has a positive change in total factor productivity over time, however WRUE decreases gradually; and (4) Urban areas use less water than the rural areas. An improvement of the WRUE is an essential way for sustaining water uses in the severe water shortage sub-basins such as Phuoc Hoa, Sai Gon, and Can Don. The study findings imply that two-stage DEA is useful for policymakers to make right decisions for water resource management and the improvement of WRUE.

Keywords: Water resource use efficiency (WRUE); Water resource consumption; Two-stage data envelopment analysis (DEA); Dong Nai River Basin; Vietnam (search for similar items in EconPapers)
Date: 2022
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DOI: 10.1007/s10668-021-01940-w

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