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The Waste Input-Output Approach to Materials Flow Analysis: Concepts and Application to Base Metals

Nakamura, Shinichiro ; Nakajima, Kenichi ; Kondo, Yasushi ; Nagasaka, Tetsuya

Journal of industrial ecology, 2007-10, Vol.11 (4), p.50-50 [同儕審閱期刊]

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題名:
The Waste Input-Output Approach to Materials Flow Analysis: Concepts and Application to Base Metals
著者: Nakamura, Shinichiro ; Nakajima, Kenichi ; Kondo, Yasushi ; Nagasaka, Tetsuya
主題: Costs ; Environmental economics ; Industrial management ; Industrial production ; Industrial wastes ; Input output analysis ; Japan ; Materials science ; Mathematical models ; Metals ; Model testing ; Studies ; Waste management ; Waste materials
所屬期刊: Journal of industrial ecology, 2007-10, Vol.11 (4), p.50-50
描述: A general analytical model of materials flow analysis (MFA) incorporating physical waste input-output is proposed that is fully consistent with the mass balance principle. Exploiting the triangular nature of the matrix of input coefficients, which is obtained by rearranging the ordering of sectors according to degrees of fabrication, the material composition matrix is derived, which gives the material composition of products. A formal mathematical definition of materials (or the objects, the flow of which is to be accounted for by MFA) is also introduced, which excludes the occurrence of double accounting in economy-wide MFAs involving diverse inputs. By using the model, monetary input-output (IO) tables can easily be converted into a physical material flow account (or physical input-output tables [PIOT]) of an arbitrary number of materials, and the material composition of a product can be decomposed into its input origin. The first point represents substantial saving in the otherwise prohibitive cost that is associated with independent compilation of PIOT. The proposed methodology is applied to Japanese IO data for the flow of 11 base metals and their scrap (available as e-supplement on the JIE Web site). [PUBLICATION ABSTRACT]
出版者: New Haven: Wiley Subscription Services, Inc
語言: 英文
識別號: ISSN: 1088-1980
EISSN: 1530-9290
DOI: 10.1162/jiec.2007.1290
資源來源: EBSCOhost Academic Search Premier
Wiley Blackwell Journals
Wiley Online Library

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The Waste Input-Output Approach to Materials Flow Analysis: Concepts and Application to Base Metals

Nakamura, Shinichiro ; Nakajima, Kenichi ; Kondo, Yasushi ; Nagasaka, Tetsuya

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