[1] Univ Autonoma Barcelona, Dept Econ & Econ Hist, Bellaterra 08193, Spain
[2] Univ Autonoma Barcelona, Inst Environm Sci & Technol, Bellaterra 08193, Spain
[3] Vrije Univ Amsterdam, Fac Econ & Business Adm, Amsterdam, Netherlands
[4] Vrije Univ Amsterdam, Inst Environm Studies, Amsterdam, Netherlands