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Total-factor energy productivity growth of regions in Japan

机译：日本各地区能源全要素生产率的增长

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This article computes the energy productivity changes of regions in Japan using total-factor frameworks based on data envelopment analysis (DEA). Since the traditional DEA-Malmquist index cannot analyze changes in single-factor productivity changes under the total-factor framework, we apply a new index proposed by Hu and Chang [2009. Total-factor energy productivity growth of regions in China. Energy Policy, submitted for publication]: a total-factor energy productivity change index (TFEPI) that integrates the concept of the total-factor energy efficiency index into the Malmquist productivity index (MPI). Moreover, we separate TFEPI into change in relative energy efficiency, or the "catching up effect," and shift in the technology of energy use, or the "innovation effect.' The data from 47 prefectures during the period of 1993-2003 are used to compute the TFEPI and its components for 4 kinds of energy. The TFEPI of electric power for commercial and industrial use changes -0.6% annually, which can be separated into a total-factor energy efficiency change of 0.2% and a technical change of -0.8%. The TFEPI for coal deteriorates by 1.0%/year, which is mostly caused by a decrease in relative energy efficiency change. We define and identify "innovators' who cause the frontier to shift. Most regions identified as frontier shifters are located outside of Japan's four major industrial areas.
机译：本文使用基于数据包络分析（DEA）的全要素框架来计算日本各地区的能源生产率变化。由于传统的DEA-Malmquist指数无法在全要素框架下分析单要素生产率的变化，因此我们采用了Hu和Chang [2009年提出的新指标。中国各地区能源全要素生产率的增长。能源政策，已提交出版]：全要素能源生产率变化指数（TFEPI），它将全要素能源效率指数的概念整合到Malmquist生产率指数（MPI）中。此外，我们将TFEPI分为相对能源效率的变化（即“追赶效应”）和能源使用技术的变化（即“创新效应”）。利用1993-2003年47个县的数据计算出4种能源的TFEPI及其组成，用于商业和工业用途的电力的TFEPI每年变化-0.6％，可分为总计因子能效变化为0.2％，技术变化为-0.8％，煤炭的TFEPI每年下降1.0％，这主要是由于相对能效变化的减少所致。转移的边界。被确定为前沿转移者的大多数地区都位于日本的四个主要工业区之外。

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