Living at the water's edge: A world-wide econometric panel estimation of arable water footprint drivers

被引：0
作者：
Gracia-de-Rentería P. [1 ,2 ]
Philippidis G. [2 ,3 ]
Ferrer-Pérez H. [1 ,2 ]
Sanjuán A.I. [1 ,2 ]
机构：
[1] Department of Agrifood and Natural Resource Economics, Agrifood Research and Technology Centre of Aragon (CITA), Avda. Montañana 930, Zaragoza
[2] AgriFood Institute of Aragon-IA2 (CITA-University of Zaragoza), Zaragoza
[3] Aragonese Agency for Research and Development (ARAID), Agrifood Research and Technology Centre of Aragon (CITA), Avda. Montañana 930, Zaragoza
来源：
Water (Switzerland) | 2020年 / 12卷 / 04期
基金：
欧盟地平线“2020”;
关键词：
Agriculture; Drivers; Global coverage; Panel data; Water footprint;
D O I：
10.3390/W12041060
中图分类号：
学科分类号：
摘要：
As part of the Sustainable Development Goal (SDG) for ensuring clean water and sanitation worldwide by 2030, SDG target 6.4 seeks to attain sustainable withdrawals of freshwater through efficiency gains with a view to relieving water stress in vulnerable populated areas. The water footprint (WF) is a key metric to measure this concept, although the dynamics of the drivers of the WF through space and time remain relatively under-researched, whilst in foresight studies, the WF is often subject to simplistic assumptions. Thus, constructing a panel dataset of 130 countries and 156 crops for the period 2002-2016, this paper empirically assesses the sign and magnitude of WF drivers of agricultural crop activities, employing a careful selection of demographic, economic and climatic drivers. The study uncovers evidence of significant deviations in WF drivers across regions segmented by relative wealth, relating specifically to the stage of economic development and the presence (absence) of economies of scale, whilst we confirm that geographical coordinates have a major bearing on the climatic WF driver. Moreover, examining the temporal dimension, there is compelling evidence supporting a structural break in the role that technical progress exerted on the WF prior to, and in the wake of, the 2008 financial crisis. © 2020 by the authors.
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