236428document8412510.1007_s12134-018-0575-z.pdfapplication/pdfe91d9322f117bf56b60c2b31c33dfddfMD510391602018-05-23 08:39:54https://pure.iiasa.ac.at/id/eprint/15279/1/10.1007_s12134-018-0575-z.pdf