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Integrating Material Stock Dynamics Into Economy-Wide Material Flow Accounting: Concepts, Modelling, and Global Application for 1900–2050

Wiedenhofer, Dominik ; Fishman, Tomer ; Lauk, Christian ; Haas, Willi ; Krausmann, Fridolin

Ecological economics, 2019-02, Vol.156, p.121-133 [同儕審閱期刊]

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題名:
Integrating Material Stock Dynamics Into Economy-Wide Material Flow Accounting: Concepts, Modelling, and Global Application for 1900–2050
著者: Wiedenhofer, Dominik ; Fishman, Tomer ; Lauk, Christian ; Haas, Willi ; Krausmann, Fridolin
主題: Circular economy ; Dynamic material flow analysis ; Economy-wide material flow accounting ; Monte-Carlo simulations ; Socio-economic metabolism ; Uncertainty
所屬期刊: Ecological economics, 2019-02, Vol.156, p.121-133
描述: Assessing progress towards environmental sustainability requires a robust and systematic knowledge base. Economy-wide material flow accounting (ew-MFA) is an established method to monitor resource use across scales and its headline indicators are widely used in policy. However, ew-MFA is currently limited by its empirical focus on annual flows of material and energy, because it neglects the pivotal role of in-use material stocks of manufactured capital. Explicitly integrating in-use stocks enables new insights into a range of Ecological Economics' topics, such as the biophysical assessment of socio-economic systems, the circular economy and stock-flow consistent scenarios. Herein, we conceptually and practically expand the ew-MFA framework towards jointly addressing material flows, in-use stocks of manufactured capital and waste, using a fully consistent dynamic model of Material Inputs, Stocks and Outputs (MISO-model). We review the stock modelling literature, propose a novel distinction of stock-driven versus inflow-driven approaches and situate the MISO-model as the latter. We then investigate the global dynamics of socio-metabolic flows and in-use stocks from 1900 to 2014, explore model sensitivities and quantify and attribute uncertainty. Two exemplary scenarios are presented. Through these innovations for ew-MFA, we enable a dynamic and comprehensive assessment of resource use, stocks and all wastes in the socio-economic metabolism. •Use-phase, in-use stock dynamics, waste and recycling crucial next steps for ew-MFA•Review of stock-modelling yields new classification: stock-driven vs. inflow-driven•Dynamic inflow-driven model of Material Inputs, Stocks and Outputs (MISO-model v1)•Global in-use stocks increase 26-fold to 928 Gt ± 5% between 1900 and 2014•Two exemplary scenarios on the importance of stock dynamics are shown
出版者: Elsevier B.V
語言: 英文
識別號: ISSN: 0921-8009
EISSN: 1873-6106
DOI: 10.1016/j.ecolecon.2018.09.010
資源來源: Elsevier ScienceDirect Journals Complete

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Integrating Material Stock Dynamics Into Economy-Wide Material Flow Accounting: Concepts, Modelling, and Global Application for 1900–2050

Wiedenhofer, Dominik ; Fishman, Tomer ; Lauk, Christian ; Haas, Willi ; Krausmann, Fridolin

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