期刊
WATER RESEARCH
卷 207, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.watres.2021.117765
关键词
Water and sanitation services; Sustainable development; Governance; Convergence; Data envelopment analysis
This paper assesses the convergence of low- and middle-income UN Member States regarding SDG 6 between 2016 and 2017 using data envelopment analysis. The study finds that these countries not only converged in reducing performance spread, but also in narrowing the gap between best and worst practice. The Level of water stress was identified as a key issue, with most countries exhibiting poor performance in this indicator.
The lack of access to water and sanitation services (WSS) of a considerable share of the world population has been challenging the international community for decades. The proposal of the Millennium Development Goals and, later on, the Sustainable Development Goals (SDGs) by the United Nations (UN) intended to act as a blueprint to achieve a more equitable future for all and, in the case of WSS, Ensure the availability and sustainable management of water and sanitation for all (SDG 6). However, the current global pandemic further emphasised the importance of WSS, given the increasing asymmetries faced by billions worldwide, and the gaps between high-income and low-and middle-income nations. For this reason, understanding whether low-and middle-income countries have been approximating towards or deviating from the SDG 6 is crucial to derive and communicate key information for the sake of improved public governance and political decision-making. In this paper, we extend a state-of-the-art methodology based on data envelopment analysis for assessing the convergence of the low-and middle-income UN Member States regarding the SDG 6 between 2016 and 2017. We find that, on average, not only did the Member States converge by decreasing the performance spread and the gap between the best and worst practice frontiers, but also the Level of water stress: freshwater withdrawal as a proportion of available freshwater resources was the indicator in which the majority exhibited the worst performances. In the end, we derive possible policy implications, which, as our results show, are aligned with the recent UN reports on the subject.
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