This working paper discusses how natural resource scarcity (aridity, in the case of Spanish agriculture) encouraged the process of frontier expansion defined by Barbier, meaning the exploitation of new, relatively abundant resources (water) for production purposes. Water for irrigated...

In the context of a relatively scarce water country, the article analyzes the changes in 50 years in the water footprint (WF) in Spain evaluating its sustainability. For that purpose, firstly we make use of the regional information of the water footprints and crop production to estimate the WF...