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A hybrid material flow analysis for quantifying multilevel anthropogenic resources

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  • Kuang‐Ly Cheng
  • Shu‐Chien Hsu
  • Cathy C. W. Hung
  • Pi‐Cheng Chen
  • Hwong‐wen Ma

Abstract

This study develops a hybrid material flow analysis (HMFA) method to evaluate the annual additional quantity of material stock, known as net additions to stock (NAS) at both micro‐ and macro‐levels through analyzing the fixed capital formation (FCF) and total supply in input‐output tables (IOTs). HMFA turns NAS from a balance indicator in the top‐down approach to an indicator with meaningful value in terms of urban ore evaluation. To verify the validity of HMFA, this study compares the developed HMFA with a top‐down approach and a bottom‐up approach through assessing the NAS of Taiwan and Germany. The quantity of NAS estimated by HMFA is considered as a more conservative upper bound than that by the top‐down approach, while underestimation often occurs with a bottom‐up approach. HMFA has been proven as an efficient and rational evaluation method which overcomes a key limitation in assessing micro‐level material stock by a top‐down approach, and solves the data demanding problem of the bottom‐up approach for quantifying material stock.

Suggested Citation

  • Kuang‐Ly Cheng & Shu‐Chien Hsu & Cathy C. W. Hung & Pi‐Cheng Chen & Hwong‐wen Ma, 2019. "A hybrid material flow analysis for quantifying multilevel anthropogenic resources," Journal of Industrial Ecology, Yale University, vol. 23(6), pages 1456-1469, December.
    • Handle: RePEc:bla:inecol:v:23:y:2019:i:6:p:1456-1469
    DOI: 10.1111/jiec.12940
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