The anatomy of capital stock: Input-output material flow analysis (MFA) of the material composition of physical stocks and its evolution over time

Yasushi Kondo, K. Nakajima, K. Matsubae, Shinichiro Nakamura

    Research output: Contribution to journalArticle

    3 Citations (Scopus)

    Abstract

    The operation of an economy is supported by the stock of materials in the form of durables and infrastructure such as machinery, equipment, buildings, and structures. The amount of durables and infrastructure or capital stock in the economy is of great interest in the literature of economics, and is usually measured in monetary terms based on the data on capital expenditure. In spite of its wide use by economists, this measure of capital stock is of very limited use for sustainable management of material stock because of its neglect of physical properties such as the mass and material composition. This paper proposes a new method of measuring the stock of long-lived durables and infrastructure in terms of the mass of its materials. This method is based on the WIO-MFA method [S. Nakamura et al. J. Ind. Ecol. 11(2007) 50-63] and the capital formation matrix that is one of the supplementary tables of the input-output table. The method is applied to the Japanese input-output data with 400 sectors, with 9 types of metals (iron, ferroalloy, copper, zinc, lead, tin, aluminum, silver, and gold) and 8 types of plastics (thermo-setting resins, PE (low), PE (high), PS, PP, PVC, high-performance resins, and other resins) occurring as materials. It was found that substantial variations exist among sectors while fixed capital formation in the year 2000 weighs 518 kg per million Japanese yen on average in metals and plastics.

    Original languageEnglish
    Pages (from-to)293-298
    Number of pages6
    JournalRevue de Metallurgie. Cahiers D'Informations Techniques
    Volume109
    Issue number5
    DOIs
    Publication statusPublished - 2012 Jan

    Fingerprint

    anatomy
    economy
    resins
    sectors
    plastics
    thermosetting resins
    iron alloys
    output
    machinery
    Chemical analysis
    metals
    economics
    tin
    zinc
    physical properties
    silver
    gold
    aluminum
    iron
    copper

    Keywords

    • durable goods
    • hybrid input-output method
    • infrastructure
    • Material flow accounting
    • material stock accounting

    ASJC Scopus subject areas

    • Materials Chemistry
    • Metals and Alloys
    • Condensed Matter Physics
    • Physical and Theoretical Chemistry

    Cite this

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    abstract = "The operation of an economy is supported by the stock of materials in the form of durables and infrastructure such as machinery, equipment, buildings, and structures. The amount of durables and infrastructure or capital stock in the economy is of great interest in the literature of economics, and is usually measured in monetary terms based on the data on capital expenditure. In spite of its wide use by economists, this measure of capital stock is of very limited use for sustainable management of material stock because of its neglect of physical properties such as the mass and material composition. This paper proposes a new method of measuring the stock of long-lived durables and infrastructure in terms of the mass of its materials. This method is based on the WIO-MFA method [S. Nakamura et al. J. Ind. Ecol. 11(2007) 50-63] and the capital formation matrix that is one of the supplementary tables of the input-output table. The method is applied to the Japanese input-output data with 400 sectors, with 9 types of metals (iron, ferroalloy, copper, zinc, lead, tin, aluminum, silver, and gold) and 8 types of plastics (thermo-setting resins, PE (low), PE (high), PS, PP, PVC, high-performance resins, and other resins) occurring as materials. It was found that substantial variations exist among sectors while fixed capital formation in the year 2000 weighs 518 kg per million Japanese yen on average in metals and plastics.",
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    AU - Nakamura, Shinichiro

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