Conference article

An Inquiry into the Sources of Change in Industrial Energy Use in the Japanese Economy: Multiple Calibration Decomposition Analysis

Makato Tamura
Ibaraki University, Mito-city, Japan

Shinichiro Okushima
University of Tsukuba, Tsukuba-science-city, Japan

Download articlehttp://dx.doi.org/10.3384/ecp110571590

Published in: World Renewable Energy Congress - Sweden; 8-13 May; 2011; Linköping; Sweden

Linköping Electronic Conference Proceedings 57:15, p. 1590-1597

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Published: 2011-11-03

ISBN: 978-91-7393-070-3

ISSN: 1650-3686 (print), 1650-3740 (online)

Abstract

Decomposition methodologies are necessary to examine the causal factors of energy use trends in an economy. This paper suggests a new approach -the Multiple Calibration Decomposition Analysis (MCDA)- to investigate the sources of change in industrial energy use in the Japanese economy. The multiple calibration technique is utilized for an ex post decomposition analysis of structural change between periods; enabling distinction between price substitution and technological change for each sector. This paper explains the theoretical properties of MCDA and applies it to an empirical case -the change in energy use in Japanese industry from 1970 to 1990. This paper clarifies how industrial energy use was affected by price substitution or technological change through the experience of the two oil crises; focusing on energy-intensive industry. The paper shows that technological change played an important role in reducing industrial energy use in the Japanese economy. Remarkably; oil-saving technological change advanced by 60% or more in energy-intensive industry during the 1980s.

Keywords

Calibration; decomposition; industrial energy efficiency; price substitution; technological change

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