196292document70891art%3A10.1007%2Fs10958-011-0441-4.pdfapplication/pdf2b67e252846f6258baa19108147a6346MD51769792016-09-08 12:53:23https://pure.iiasa.ac.at/id/eprint/9572/1/art%253A10.1007%252Fs10958-011-0441-4.pdf