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A Decomposition Analysis of Energy Use in the Japanese Economy


  • Makoto Tamura

    (The University of Tokyo)

  • Shinichiro Okushima

    (The University of Tokyo)


The purpose of this paper is to present a new approach to evaluating structural change of the economy in a multisector general equilibrium framework. The multiple calibration technique is applied to an ex post decomposition analysis of structural change between periods, enabling the distinction between price substitution and technological change to be made for each sector. This approach has the advantage of sounder microtheoretical underpinnings when compared with conventional decomposition methods. The proposed technique is empirically applied to changes in energy use and carbon dioxide emission in the Japanese economy following the oil crises. The results show that technological change is of great importance for curtailing energy use and carbon dioxide emission in Japan. While economic growth increased CO2 emission by itself, other effects such as technological change for labor or energy mitigated increases in that period.

Suggested Citation

  • Makoto Tamura & Shinichiro Okushima, 2006. "A Decomposition Analysis of Energy Use in the Japanese Economy," Computing in Economics and Finance 2006 190, Society for Computational Economics.
  • Handle: RePEc:sce:scecfa:190

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    More about this item


    Calibration; Decomposition; Energy;

    JEL classification:

    • C67 - Mathematical and Quantitative Methods - - Mathematical Methods; Programming Models; Mathematical and Simulation Modeling - - - Input-Output Models
    • D58 - Microeconomics - - General Equilibrium and Disequilibrium - - - Computable and Other Applied General Equilibrium Models
    • Q40 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Energy - - - General


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