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Bounds testing approach to analyzing the environment Kuznets curve hypothesis with structural beaks: The role of biomass energy consumption in the United States
Journal article   Peer reviewed

Bounds testing approach to analyzing the environment Kuznets curve hypothesis with structural beaks: The role of biomass energy consumption in the United States

Muhammad Shahbaz, Sakiru Adebola Solarin, Shawkat Hammoudeh and Syed Jawad Hussain Shahzad
Energy economics, v 68, pp 548-565
Oct 2017
DOI: https://doi.org/10.1016/j.eneco.2017.10.004
Featured in Collection :   UN Sustainable Development Goals @ Drexel

Abstract

Biomass energy EKC Oil prices Structural breaks Trade openness
This paper re-examines the specification of the environmental Kuznets curve (EKC) for the US economy by accounting for the presence of a major renewable energy source and trade openness over the period 1960–2016. Biomass energy consumption and trade openness as well as oil prices are considered as additional determinants of economic growth, and consequentially of CO2 emissions. The bounds testing approach to cointegration is used to examine the long-run relationship between the variables in the presence of structural breaks. The causal relationship between the variables is investigated by applying the VECM Granger causality test and accommodating structural breaks. The results confirm the presence of cointegration between the variables. Moreover, the relationship between economic growth and CO2 emissions is not only inverted-U shaped but also N-shaped in the presence of structural breaks and biomass. Biomass energy consumption lowers CO2 emissions. Exports, imports and trade openness are also environment-friendly. The causality analysis underscores a feedback effect between biomass energy consumption and CO2 emissions. Economic growth still Granger causes CO2 emissions in this new setup. •We examine the EKC hypothesis for the US in presence of a major renewable energy source and trade.•We examine the long-run relationship between the variables in the presence of structural breaks.•Relationship between growth and CO2 emissions is inverted-U and N-shaped in presence of breaks.•Biomass consumption lowers CO2 emissions. Exports, imports and openness are environment-friendly.•Causality analysis indicates a feedback between biomass energy consumption and CO2 emissions.

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146 citations in Web of Science
162 citations in Scopus

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UN Sustainable Development Goals (SDGs)

This publication has contributed to the advancement of the following goals:

#8 Decent Work and Economic Growth
#7 Affordable and Clean Energy
#9 Industry, Innovation and Infrastructure
#12 Responsible Consumption & Production
#13 Climate Action

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Domestic collaboration
International collaboration
Web of Science research areas
Economics
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