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Price and income elasticities of crude oil import demand in South Africa: A cointegration analysis

  • Ziramba, Emmanuel

This paper examines the demand for imported crude oil in South Africa as a function of real income and the price of crude oil over the period 1980-2006. We carried out the Johansen co integration multivariate analysis to determine the long-run income and price elasticities. A unique long-run cointegration relationship exists between crude oil imports and the explanatory variables. The short-run dynamics are estimated by specifying a general error correction model. The estimated long-run price and income elasticities of -0.147 and 0.429 suggest that import demand for crude oil is price and income inelastic. There is also evidence of unidirectional long-run causality running from real GDP to crude oil imports.

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File URL: http://www.sciencedirect.com/science/article/B6V2W-515RHPT-1/2/53ac4cf2c455dc24dbf839cce5db4a22
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Article provided by Elsevier in its journal Energy Policy.

Volume (Year): 38 (2010)
Issue (Month): 12 (December)
Pages: 7844-7849

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Handle: RePEc:eee:enepol:v:38:y:2010:i:12:p:7844-7849
Contact details of provider: Web page: http://www.elsevier.com/locate/enpol

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  1. Altinay, Galip, 2007. "Short-run and long-run elasticities of import demand for crude oil in Turkey," Energy Policy, Elsevier, vol. 35(11), pages 5829-5835, November.
  2. Johansen, Soren & Juselius, Katarina, 1990. "Maximum Likelihood Estimation and Inference on Cointegration--With Applications to the Demand for Money," Oxford Bulletin of Economics and Statistics, Department of Economics, University of Oxford, vol. 52(2), pages 169-210, May.
  3. Dermot Gately & Hiliard G. Huntington, 2002. "The Asymmetric Effects of Changes in Price and Income on Energy and Oil Demand," The Energy Journal, International Association for Energy Economics, vol. 0(Number 1), pages 19-55.
  4. Akinboade, Oludele A. & Ziramba, Emmanuel & Kumo, Wolassa L., 2008. "The demand for gasoline in South Africa: An empirical analysis using co-integration techniques," Energy Economics, Elsevier, vol. 30(6), pages 3222-3229, November.
  5. Engle, Robert F & Granger, Clive W J, 1987. "Co-integration and Error Correction: Representation, Estimation, and Testing," Econometrica, Econometric Society, vol. 55(2), pages 251-76, March.
  6. John C.B. Cooper, 2003. "Price elasticity of demand for crude oil: estimates for 23 countries," OPEC Energy Review, Organization of the Petroleum Exporting Countries, vol. 27(1), pages 1-8, 03.
  7. Ghosh, Sajal, 2009. "Import demand of crude oil and economic growth: Evidence from India," Energy Policy, Elsevier, vol. 37(2), pages 699-702, February.
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