The dynamics of green energy, energy efficiency, economic productivity, and energy-driven emissions in SDG context: Is there a synergistic interplay?

IF 13.6 2区经济学 Q1 ECONOMICS Energy Economics Pub Date : 2024-11-21 DOI:10.1016/j.eneco.2024.108063

Dagmawe Tenaw

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Abstract

This study aims to examine the combined effects of green energy (Sustainable Development Goal, SDG-7.2), energy efficiency (SDG-7.3), and economic productivity (SDG-8.2) in mitigating energy-driven GHG emissions. The novelty of this study is that it extends the Kaya identity to mathematically explain how the two SDG-7 goals affect energy-driven emissions, and it provides global empirical evidence from 161 countries between1995 and 2019. The study also includes two-way and three-way interactions to better understand the complex interplay between the above SDG goals. Dynamic Common Correlated effects-instrumental variable estimation and Method of Moments-Quantile regression models were employed for the empirical investigation. The main findings confirm that green energy and energy efficiency significantly contribute to reducing energy-related emissions in all regions (except Asia in the case of green energy). The effects of green energy (energy efficiency) tend to slightly decrease (increase) as emissions levels rise. Economic productivity appears to trigger emissions, with the impact being stronger in low-productive regions. We also found a synergistic interplay between the two SDG-7 targets in mitigating energy-related emissions and weakening the emission-triggering effect of SDG-8.2 across different quantiles of emissions. Overall, maximizing the synergy between SDG-7 and 8 can substantially cut energy-driven emissions.

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可持续发展目标背景下的绿色能源、能源效率、经济生产力和能源驱动的排放的动态变化：是否存在协同作用？

本研究旨在考察绿色能源（可持续发展目标，SDG-7.2）、能源效率（SDG-7.3）和经济生产力（SDG-8.2）在减少能源驱动的温室气体排放方面的综合效应。本研究的新颖之处在于，它扩展了 Kaya 特性，从数学角度解释了 SDG-7 的两个目标如何影响能源驱动的排放，并提供了 1995 年至 2019 年期间 161 个国家的全球经验证据。研究还包括双向和三向互动，以更好地理解上述可持续发展目标之间复杂的相互作用。实证研究采用了动态共同相关效应-工具变量估计和矩量法-方差回归模型。主要研究结果证实，绿色能源和能源效率对减少所有地区与能源相关的排放都有显著贡献（亚洲的绿色能源除外）。随着排放水平的上升，绿色能源（能效）的效果往往略有下降（上升）。经济生产率似乎会引发排放，在低生产率地区影响更大。我们还发现，SDG-7 的两个目标在减缓能源相关排放和削弱 SDG-8.2 在不同排放定量中的排放触发效应方面具有协同作用。总之，最大限度地发挥可持续发展目标 7 和 8 之间的协同作用可大幅减少能源驱动的排放。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Energy Economics ECONOMICS-

CiteScore

18.60

自引率

12.50%

发文量

524

期刊介绍： Energy Economics is a field journal that focuses on energy economics and energy finance. It covers various themes including the exploitation, conversion, and use of energy, markets for energy commodities and derivatives, regulation and taxation, forecasting, environment and climate, international trade, development, and monetary policy. The journal welcomes contributions that utilize diverse methods such as experiments, surveys, econometrics, decomposition, simulation models, equilibrium models, optimization models, and analytical models. It publishes a combination of papers employing different methods to explore a wide range of topics. The journal's replication policy encourages the submission of replication studies, wherein researchers reproduce and extend the key results of original studies while explaining any differences. Energy Economics is indexed and abstracted in several databases including Environmental Abstracts, Fuel and Energy Abstracts, Social Sciences Citation Index, GEOBASE, Social & Behavioral Sciences, Journal of Economic Literature, INSPEC, and more.