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Extension of geopolitical supply risk methodology: Characterization model applied to conventional and electric vehicles

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dc.contributor.authorCimprich, Alexander
dc.contributor.authorYoung, Steven B.
dc.contributor.authorHelbig, Christoph
dc.contributor.authorGemechu, Eskinder D.
dc.contributor.authorThorenz, Andrea
dc.contributor.authorTuma, Axel
dc.contributor.authorSonnemann, Guido
dc.date.accessioned2020-03-09T14:37:38Z
dc.date.available2020-03-09T14:37:38Z
dc.date.issued2017-09-20
dc.description.abstractThe diversity of materials employed in modern products and the complexity of globalized supply chains raise the importance of assessing supply risk of commodity inputs to product systems. Therefore, this article extends the Geopolitical Supply Risk methodology by proposing a characterization model to quantify product supply risk in relation to a functional unit under the Life Cycle Sustainability Assessment framework. The characterization model is based on a socio-economic cause-effect mechanism drawing upon supply chain resilience concepts. Supply risk – or “criticality” – of a given “intermediate product” is defined as the multiple of probability of supply disruption and vulnerability to supply disruption. Two embodiments of the characterization model are proposed, each supplementing the previously developed probability indicators with different indicators for vulnerability. They are demonstrated with a comparative case study of an electric vehicle and internal combustion engine vehicle. The results are highly sensitive to how vulnerability is measured, and a number of methodological complications arise. The most promising embodiment of the characterization model “cancels out” the amounts of commodity inputs, as it can be strongly argued that every input to the product system is equally important for product performance as expressed by the functional unit. Thus, the Geopolitical Supply Risk characterization model shows the importance of integrating raw material criticality considerations into Life Cycle Sustainability Assessment to better inform management decisions at a product level.en
dc.description.sponsorshipThe authors are grateful to funding from the University of Waterloo under the Bordeaux- Waterloo research partnership, and to funding from the Social Sciences and Humanities Research Council (SSHRC) of Canada. This research was supported in part by the Bavarian graduate school “Resource strategy concepts for sustainable energy systems” of the Institute of Materials Resource Management (MRM) of the University of Augsburg and the French National Research Agency (ANR), who is funding the SEARRCH project (ANR-13-ECOT-0005). The authors also acknowledge the financial support of the Region of Aquitaine for the Chair on Life Cycle Assessment (CyVi) at the University of Bordeaux to carry out this work.en
dc.identifier.urihttps://doi.org/10.1016/j.jclepro.2017.06.063
dc.identifier.urihttp://hdl.handle.net/10012/15688
dc.language.isoenen
dc.publisherElsevieren
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.subjectproduct supply risken
dc.subjectlife cycle assessmenten
dc.subjectlife cycle sustainability assessmenten
dc.subjectcriticality assessmenten
dc.subjectvulnerabilityen
dc.subjectelectric vehicleen
dc.titleExtension of geopolitical supply risk methodology: Characterization model applied to conventional and electric vehiclesen
dc.typeArticleen
dcterms.bibliographicCitationJournal of Cleaner Production (2017), vol. 162, pages 754-763en
uws.contributor.affiliation1Faculty of Environmenten
uws.contributor.affiliation2School of Environment, Enterprise and Developmenten
uws.peerReviewStatusRevieweden
uws.scholarLevelFacultyen
uws.scholarLevelGraduateen
uws.typeOfResourceTexten

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