[1] Univ Cordoba, Dept Agr Econ Finance & Accounting, Water Environm & Agr Resources Econ Res Grp, Cordoba, Spain
[2] Univ Malaga, Dept Appl Econ, Malaga, Spain
[3] Univ Adelaide, Ctr Global Food & Resources, Sch Econ & Publ Policy, Adelaide, SA, Australia
[4] Univ Salamanca, Multidisciplinary Business Inst, Salamanca, Spain
[5] Univ Salamanca, Dept Econ & Econ Hist, Salamanca, Spain