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首页> 外文期刊>Environmental & Resource Economics >Effect of Technology Change on Emissions in Japan's Industrial Sectors in the Period 1995-2005: An Input-Output Structural Decomposition Analysis
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Effect of Technology Change on Emissions in Japan's Industrial Sectors in the Period 1995-2005: An Input-Output Structural Decomposition Analysis

机译:1995-2005年间技术变化对日本工业部门排放的影响:投入产出结构分解分析

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摘要

This paper employs two-stage input-output structural decomposition analysis (SDA) to identify the factors responsible for changes in Japan's emissions for two periods: 1995-2000 and 2000-2005. First, the study decomposes the total change in emissions for each period to obtain the contribution of change in emissions per unit output emissions coefficient), change in technology (technology effect), and change in final demand. The study observed from the first-stage decomposition that emissions coefficient and final demand drive the change in the first period (1995-2000) while the technology effect drives the change in the second period (2000-2005). The high contribution of the technology effect is driven by activities of iron and steel; coke, refined petroleum and gas; road transportation; and electricity sectors. Having observed the trend of the technology effect across the two periods, the study carried out a second-stage decomposition on technology effect in the second period to examine the contribution of each sector and observed that chemical and pharmaceuticals; iron and steel; road transportation; and construction sectors are mainly responsible. In conclusion, improvement in technical efficiency especially at the industrial process level of each industry will help Japan achieve greater level of emissions reduction.
机译:本文采用两阶段投入产出结构分解分析(SDA)来确定造成日本排放在两个时期(1995-2000年和2000-2005年)变化的因素。首先,研究分解了每个时期的排放总量变化,以得出排放量变化/单位产出排放系数的贡献,技术的变化(技术效果)和最终需求的变化。该研究从第一阶段分解观察到,排放系数和最终需求驱动第一阶段(1995-2000年)的变化,而技术效应驱动第二阶段(2000-2005年)的变化。钢铁的活动推动了技术效果的高贡献。焦炭,精炼石油和天然气;公路运输;和电力部门。在观察了两个时期的技术效果趋势之后,该研究对第二个时期的技术效果进行了第二阶段分解,以检验各个部门的贡献,并观察化学和制药;铁和钢;公路运输;建筑部门主要负责。总之,提高技术效率,特别是在每个行业的工业流程水平上,将有助于日本实现更大程度的减排。

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