Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11851/1091
Title: How effective are energy efficiency and renewable energy in curbing CO2 emissions in the long run? A heterogeneous panel data analysis
Authors: Özbuğday, Fatih Cemil
Erbaş, Bahar Çelikkol
Keywords: common correlated effects estimator model
co2 emissions
energy efficiency
renewable resources
industrialization
global warming
Issue Date: Mar-2015
Publisher: Pergamon-Elsevier Science Ltd
Source: Özbuğday, F. C., & Erbas, B. C. (2015). How effective are energy efficiency and renewable energy in curbing CO2 emissions in the long run? A heterogeneous panel data analysis. Energy, 82, 734-745.
Abstract: Energy efficiency and renewable energy are considered to be two indispensable solutions to control GHG (greenhouse gas) emissions. Moreover, industrialization is at the center of discussions on the roles of countries to reduce CO2 emissions. However, the literature is underprovided to understand the long run contribution of energy efficiency, renewable energy and industrial composition in reducing GHG emissions at the macro level. In this study, we differentiate the effects of economic activity, energy efficiency, economic structure and use of renewable energy resources on CO2 emissions. We develop energy efficiency indices for thirty six countries for the period of 1971-2009 and use a CCE (common correlated effects) estimator model that is consistent under heterogeneity and cross-sectional dependence. We find a positive significant effect of energy efficiency on CO2 emissions in the long-run. Similarly, substituting renewable energy for non-renewable energy reduces CO2 emissions in the long-run. Our results ensure widely discussed roles of energy efficiency and renewable energy in curbing CO2 emissions. Furthermore, the scale of economic activity measured by real income and industrialization have significant positive effect on CO2 emissions. (C) 2015 Elsevier Ltd. All rights reserved.
URI: https://doi.org/10.1016/j.energy.2015.01.084
https://hdl.handle.net/20.500.11851/1091
ISSN: 0360-5442
Appears in Collections:İktisat Bölümü / Department of Economics
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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