On the non-convergence of energy intensities: Evidence from a pair-wise econometric approach
Le Pen, Yannick; Sévi, Benoît (2010), On the non-convergence of energy intensities: Evidence from a pair-wise econometric approach, Ecological Economics, 69, 3, p. 641-650. http://dx.doi.org/10.1016/j.ecolecon.2009.10.001
TypeArticle accepté pour publication ou publié
Journal nameEcological Economics
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Abstract (EN)This paper evaluates the convergence of energy intensities for a group of 97 countries in the period 1971–2003. Convergence is tested using a recent method proposed by Pesaran (2007) [Pesaran, M.H., 2007. A pair-wise approach to testing for output and growth convergence. Journal of Econometrics 138, 312–355] based on the stochastic convergence criterion. An advantage of this method is that results do not depend on a benchmark against which convergence is assessed. It gives more robust results. Applications of several unit-root tests as well as a stationarity test uniformly reject the global convergence hypothesis. Locally, for Middle East, OECD and Europe sub-groups, non-convergence is less strongly rejected. The introduction of possible structural breaks in the analysis only marginally provides more support to the convergence hypothesis.
Subjects / KeywordsEnergy intensity; Pair-wise test; Unit-root test; Stationarity test; Structural break; Convergence
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