Waste Input-Output Material Flow Analysis of Metals in the Japanese Economy

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説明

This paper develops a theoretical model of MFA within the framework of the Waste Input-Output model (WIO) (Nakamura and Kondo). The model is developed based on two fundamental ingredients: yield ratios and the degree of fabrication. Multiplication of physical inputs by the yield ratios gives the portion that enters physical outputs, with the rest being discarded as process waste without entering outputs. In input-output analysis, the degree of fabrication can be visualized as triangularity of the input coefficients matrix, which is known to emerge through an appropriate reordering of sectors. Application to the Japanese IO data indicates that the model can provide accurate estimates of the weight as well as the composition of metals used in a passenger car. The model is also used to estimate the major final use categories of quantity metals.

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詳細情報 詳細情報について

  • CRID
    1573387451747351680
  • NII論文ID
    110004629265
  • NII書誌ID
    AA1188120X
  • 本文言語コード
    en
  • データソース種別
    • CiNii Articles

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