The nonlinear nexus between renewable energy consumption and economic growth in OECD countries: evidence from PTR and PSTR estimates

Afifa Ferhi and Helali Kamel

Journal of Economic Studies, 2023, vol. 51, issue 1, 185-201

Abstract: Purpose - Today, the increasing use of fossil fuels, energy security, concerns and the great importance of achieving sustainable economic growth underscore the urgent need to transition to a green energy system as soon as possible. To shed light on the relationship between the economy and renewable energy, this study assesses the nonlinear relationship between renewable energy consumption and economic growth for 24 OECD countries between 1990 and 2015. Design/methodology/approach - The authors apply two nonlinear models: panel threshold regression (PTR) and panel smooth transition regression (PSTR). Findings - The results show that the positive effect of renewable energy consumption on economic growth is conditional. On the one hand, the results of the nonlinear PTR model yielded a threshold value for renewable energy consumption of about 251.17. Below this threshold, the authors find a negative impact of renewable energy consumption on economic growth. However, above this threshold, renewable energy consumption becomes a favorable source of economic growth. Using the nonlinear PSTR model based on the gamma transition parameter of 2.014, the transition from low renewable energy consumption regime to higher is abrupt. Originality/value - Referring to previous studies analyzing linear causality between renewable energy and economic growth, most of the results show various mixed and non-stable effects over the study period. The contributions of this study consist in conduct a series of empirical tests of the nonlinear effects of renewable energy use on economic growth using two nonlinear approaches such as the PTR and PSTR models. If the authors show that such a relationship is nonlinear, it is essential to check whether the transition from one weak regime to another strong regime is abrupt or smooth, using the PSTR approach.

Keywords: Renewable energy; Economic growth; PTR; PSTR; OECD countries (search for similar items in EconPapers)
Date: 2023
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Persistent link: https://EconPapers.repec.org/RePEc:eme:jespps:jes-12-2022-0660

DOI: 10.1108/JES-12-2022-0660

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