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The effect of globalisation on energy footprints: Disentangling the links of global value chains

机译:全球化对能源足迹的影响:消除全球价值链的联系

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摘要

This paper investigates the impact of global value chains on energy footprints. Energy footprints are consumption-based indicators which record the energy used to produce a country's final demand. In order to disentangle key characteristics of global value chains and their effects on the global energy footprint, we employ structural decomposition analyses (SDA). Furthermore, the analysis combines a retrospective with a prospective SDA approach. After an analysis of the global energy footprint for the period between 1995 and 2009, we discuss three scenarios of international integration and their implications for energy footprints for the period from 2009 to 2030. Our results show that the global energy footprint has increased by 29.4% from 1995 to 2009, and the scenarios indicate that it will increase by another 23.5% until 2030. Economic activity is the most important driver for the increase in energy footprints. Rising final demand alone would have increased the global energy footprint by 47.0% between 1995 and 2009. The composition of countries from where consumption and investment goods come adds another 12.6%. Sectoral energy intensity reductions are the most important decelerator of energy use (-27.8%). There is a substantial contribution of changing global value chains on the rise in the global energy footprint (7.5%): Stronger backward linkages in global value chains increased the global energy footprint by 5.5% between 1995 and 2009. Changes in the regional composition of intermediate inputs raised it by another 1.8%. The shift of the world economy towards East Asia alone would have increased the global energy footprint by 3.0%. The sectoral composition of global value chains, on the other hand, had a negligible effect on energy footprints.
机译:本文研究了全球价值链对能源足迹的影响。能源足迹是基于消耗的指标,记录用于产生一个国家最终需求的能源。为了弄清全球价值链的关键特征及其对全球能源足迹的影响,我们采用结构分解分析(SDA)。此外,分析将回顾与前瞻性SDA方法结合在一起。在对1995年至2009年期间的全球能源足迹进行分析之后,我们讨论了三种国际融合情景及其对2009年至2030年期间的能源足迹的影响。我们的结果表明,全球能源足迹增加了29.4%从1995年到2009年,这种情况表明到2030年它将再增长23.5%。经济活动是能源足迹增加的最重要驱动力。从1995年到2009年,仅最终需求的增加就将使全球能源足迹增加47.0%。消费和投资商品所来自的国家构成又增加了12.6%。部门能源强度的降低是最重要的能源消耗减速因素(-27.8%)。变化中的全球价值链对全球能源足迹的增长(7.5%)做出了重大贡献:1995年至2009年之间,全球价值链中更强的后向联系使全球能源足迹增加了5.5%。投入又将其提高了1.8%。仅世界经济向东亚的转移将使全球能源足迹增加3.0%。另一方面,全球价值链的部门构成对能源足迹的影响可忽略不计。

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