267335document922391-s2.0-S0306261920315087-main.pdfapplication/pdfa3e6734dd6fa66e306284fb83593a7e8MD545324282020-11-23 09:38:38https://pure.iiasa.ac.at/id/eprint/16855/1/1-s2.0-S0306261920315087-main.pdf