?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.relation=https%3A%2F%2Fpure.iiasa.ac.at%2Fid%2Feprint%2F4942%2F&rft.title=Decomposing+Models+of+Demographic+Impact+on+the+Environment&rft.creator=Wexler%2C+L.&rft.description=Demographic+Impact+(DI)+models+are+multiplicative+identities+used+to+decompose+environmental+impacts+into+components+due+to+population%2C+economic+and+technological+change.+While+such+decompositions+have+played+an+important+role+in+the+population-environment+literature%2C+inconsistent+and+ambiguous+methods+have+made+their+results+difficult+to+interpret+and+nearly+impossible+to+compare.+This+paper+demonstrates+and+clarifies+the+differences+between+these+methods+using+the+example+of+anthropogenic+greenhouse+gas+(GHG)+emissions.+%0D%0A%0D%0AThis+paper+locates+two+distinct+approaches+to+DI+model+decomposition%3A+The+annual+growth+rate+decomposition+and+the+multiplicative+decomposition.+Stable+indices+are+provided+for+each+approach.+Finally%2C+the+Divisia+Index+--+a+common+price+index+used+by+economists+--+is+suggested+as+an+appropriate+method+to+aggregate+DI+model+results.&rft.publisher=WP-96-085&rft.date=1996-07&rft.type=Monograph&rft.type=NonPeerReviewed&rft.format=text&rft.language=en&rft.identifier=https%3A%2F%2Fpure.iiasa.ac.at%2Fid%2Feprint%2F4942%2F1%2FWP-96-085.pdf&rft.identifier=++Wexler%2C+L.+%3Chttps%3A%2F%2Fpure.iiasa.ac.at%2Fview%2Fiiasa%2F1659.html%3E++(1996).++Decomposing+Models+of+Demographic+Impact+on+the+Environment.+++IIASA+Working+Paper.+IIASA%2C+Laxenburg%2C+Austria%3A+WP-96-085+++++