globalchange  > 气候变化与战略
DOI: 10.1016/j.jclepro.2019.119630
论文题名:
Assessing the eco-efficiency of U.S. manufacturing industries with a focus on renewable vs. non-renewable energy use: An integrated time series MRIO and DEA approach
作者: Ezici B.; Eğilmez G.; Gedik R.
刊名: Journal of Cleaner Production
ISSN: 9596526
出版年: 2020
卷: 253
语种: 英语
英文关键词: Data envelopment analysis (DEA) ; Manufacturing ; Multi-region input-output (MRIO) analysis ; Renewability ratio ; Renewable energy ; Sustainable development
Scopus关键词: Benchmarking ; Data envelopment analysis ; Economic analysis ; Economic and social effects ; Manufacture ; Supply chains ; Sustainable development ; Time series ; Environmental and economic impacts ; Input output analysis ; Input-output ; Manufacturing industries ; Multi-region input-output models ; Non-renewable energy use ; Renewability ratio ; Renewable energies ; Energy utilization
英文摘要: This study investigated the global supply chain-linked renewable and nonrenewable energy use impacts and economic output of U.S. manufacturing industries over a twenty-year period. Considering energy use impacts and economic outputs together within the scope of a global-trade-linked, cradle-to-gate life cycle provides a comprehensive understanding of the environmental and economic impacts of industrial activities. In the first phase of the methodology, twenty multi-region input-output models were built to assess the energy and economic output nexus using a time series approach. Sixteen energy carriers were considered and aggregated in terms of renewable and nonrenewable energy use impacts. The second phase of the methodology focused on benchmarking U.S. manufacturing industries’ eco-efficiency, considering renewable to nonrenewable energy use and economic output. To accomplish this, data envelopment analysis (DEA) models were developed, and two benchmarking (eco-efficiency) measures were proposed, namely: renewability ratio (RR) and economic-output-induced renewability ratio (E-RR). The results indicated that the economic output of the manufacturing industries exhibited a steady, sustainable growth. Similar growth was observed in nonrenewable energy use. In contrast, the trend in renewable energy use was seen to be stagnant. No statistically significant improvement was observed in either the RR or E-RR measures, which were found to parallel the multi-region input-output analysis (MRIO) results. Although an increase in both the mean RR (0.3–0.4) and the mean E-RR (0.38–0.52) scores was recorded from 1995 to 2014, this was concluded to be unsatisfactory, since the majority of the industries’ eco-efficiency results were still below 0.5. Such an unsatisfactory result could be attributed to an imbalanced growth in nonrenewable energy use and economic output relative to renewable energy use. The findings of this study suggest that substantial policy changes are required immediately to shift the negative trend in renewable energy use to comply with UN Sustainability Development Goals 7 and 13. © 2019 Elsevier Ltd
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/158370
Appears in Collections:气候变化与战略

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作者单位: Dept. of Mechanical and Industrial Engineering, University of New Haven, West Haven, CT, United States; Department of Mechanical and Industrial Engineering, University of New Haven, West Haven, CT, United States; Department of Management, Quinnipiac University, Hamden, CT, United States

Recommended Citation:
Ezici B.,Eğilmez G.,Gedik R.. Assessing the eco-efficiency of U.S. manufacturing industries with a focus on renewable vs. non-renewable energy use: An integrated time series MRIO and DEA approach[J]. Journal of Cleaner Production,2020-01-01,253
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