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Statements

Subject Item
n2:RIV%2F00216208%3A11690%2F13%3A10209646%21RIV14-MSM-11690___
rdf:type
n7:Vysledek skos:Concept
rdfs:seeAlso
http://dx.doi.org/10.1021/es404166f
dcterms:description
The mass of material consumed by a population has become a useful proxy for measuring environmental pressure. The %22raw material equivalents%22 (RME) metric of material consumption addresses the issue of including the full supply chain (including imports) when calculating national or product level material impacts. The RME calculation suffers from data availability, however, as quantitative data on production practices along the full supply chain (in different regions) is required. Hence, the RME is currently being estimated by three main approaches: (1) assuming domestic technology in foreign economies, (2) utilizing region-specific life-cycle inventories (in a hybrid framework), and (3) utilizing multi-regional input output (MRIO) analysis to explicitly cover all regions of the supply chain. While the first approach has been shown to give inaccurate results, this paper focuses on the benefits and costs of the latter two approaches. We analyze results from two key (MRIO and hybrid) projects modeling raw material equivalents, adjusting the models in a stepwise manner in order to quantify the effects of individual conceptual elements. We attempt to isolate the MRIO gap, which denotes the quantitative impact of calculating the RME of imports by an MRIO approach instead of the hybrid model, focusing on the RME of EU external trade imports. While, the models give quantitatively similar results, differences become more pronounced when tracking more detailed material flows. We assess the advantages and disadvantages of the two approaches and look forward to ways to further harmonize data and approaches. The mass of material consumed by a population has become a useful proxy for measuring environmental pressure. The %22raw material equivalents%22 (RME) metric of material consumption addresses the issue of including the full supply chain (including imports) when calculating national or product level material impacts. The RME calculation suffers from data availability, however, as quantitative data on production practices along the full supply chain (in different regions) is required. Hence, the RME is currently being estimated by three main approaches: (1) assuming domestic technology in foreign economies, (2) utilizing region-specific life-cycle inventories (in a hybrid framework), and (3) utilizing multi-regional input output (MRIO) analysis to explicitly cover all regions of the supply chain. While the first approach has been shown to give inaccurate results, this paper focuses on the benefits and costs of the latter two approaches. We analyze results from two key (MRIO and hybrid) projects modeling raw material equivalents, adjusting the models in a stepwise manner in order to quantify the effects of individual conceptual elements. We attempt to isolate the MRIO gap, which denotes the quantitative impact of calculating the RME of imports by an MRIO approach instead of the hybrid model, focusing on the RME of EU external trade imports. While, the models give quantitatively similar results, differences become more pronounced when tracking more detailed material flows. We assess the advantages and disadvantages of the two approaches and look forward to ways to further harmonize data and approaches.
dcterms:title
Estimating Raw Material Equivalents on a Macro-Level: Comparison of Multi-Regional Input-Output Analysis and Hybrid LCI-IO Estimating Raw Material Equivalents on a Macro-Level: Comparison of Multi-Regional Input-Output Analysis and Hybrid LCI-IO
skos:prefLabel
Estimating Raw Material Equivalents on a Macro-Level: Comparison of Multi-Regional Input-Output Analysis and Hybrid LCI-IO Estimating Raw Material Equivalents on a Macro-Level: Comparison of Multi-Regional Input-Output Analysis and Hybrid LCI-IO
skos:notation
RIV/00216208:11690/13:10209646!RIV14-MSM-11690___
n7:predkladatel
n10:orjk%3A11690
n4:aktivita
n15:I
n4:aktivity
I
n4:cisloPeriodika
24
n4:dodaniDat
n8:2014
n4:domaciTvurceVysledku
n19:8320276
n4:druhVysledku
n17:J
n4:duvernostUdaju
n20:S
n4:entitaPredkladatele
n5:predkladatel
n4:idSjednocenehoVysledku
73248
n4:idVysledku
RIV/00216208:11690/13:10209646
n4:jazykVysledku
n12:eng
n4:klicovaSlova
imports; international trade; material consumption
n4:klicoveSlovo
n6:material%20consumption n6:international%20trade n6:imports
n4:kodStatuVydavatele
US - Spojené státy americké
n4:kontrolniKodProRIV
[267B8A81E965]
n4:nazevZdroje
Environmental Science and Technology
n4:obor
n11:AH
n4:pocetDomacichTvurcuVysledku
1
n4:pocetTvurcuVysledku
4
n4:rokUplatneniVysledku
n8:2013
n4:svazekPeriodika
47
n4:tvurceVysledku
Wood, Richard Schoer, Karl Weinzettel, Jan Arto, Inaki
n4:wos
000328796900046
s:issn
0013-936X
s:numberOfPages
8
n18:doi
10.1021/es404166f
n14:organizacniJednotka
11690