Revisiting sulfur Kuznets curves with endogenous breaks modeling: Substantial evidence of inverted-Us/Vs for individual OECD countries

Economic Modelling, 2015, vol. 49, issue C, 278-285

Abstract: This paper tests for a sulfur Kuznets curve by examining the sulfur emissions per capita-GDP per capita relationship individually, for 25 OECD countries over 1950–2005 using a reduced-form, linear model that allows for multiple endogenously determined breaks. This approach addresses several important econometric and modeling issues, e.g., (i) it is highly flexible and can approximate complicated nonlinear relationships without presuming a priori any particular relationship; (ii) it avoids the nonlinear transformations of potentially nonstationary income. The predominant post-1950 income–sulfur emission relationship—the case for 24 of the 25 countries studied—was either (i) inverted-Vs, where the emission–income relationship became negative, or (ii) decoupling, where income no longer affected emissions in a long-run, statistically significant way. Seventeen of the 21 transitional breaks uncovered occurred over 1965–1978; hence, in concert with previous work, we conclude that shared timing among countries is important in income–environment transitions.

Keywords: Sulfur emissions; Environmental Kuznets curve; OECD countries; Nonlinear flexible form; Multiple endogenous breaks; Income–emission relationships (search for similar items in EconPapers)
Date: 2015
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Citations: View citations in EconPapers (8)

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Working Paper: Revisiting sulfur Kuznets curves with endogenous breaks modeling: Substantial evidence of inverted-Us/Vs for individual OECD countries (2014)
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Persistent link: https://EconPapers.repec.org/RePEc:eee:ecmode:v:49:y:2015:i:c:p:278-285

DOI: 10.1016/j.econmod.2015.04.012

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