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Nonlinearities in the US corn-ethanol-oil price system

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Author Info
Serra, Teresa
Zilberman, David
Gil, Jose M.
Goodwin, Barry K.

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Abstract

We use a smooth transition vector error correction model to assess price relationships within the US ethanol industry. Daily ethanol, corn and oil futures prices observed from mid-2005 to mid-2007 are used in the analysis. Results indicate the existence of an equilibrium relationship between ethanol, corn and oil prices. However, only ethanol prices adjust, in a non-linear fashion, to deviations from this long-run parity. Generalized impulse response functions indicate that a shock to both oil and corn prices causes a change in ethanol prices of the same sign. Ethanol responses usually reach a peak after about 10 days of the initial shock and fade away within 35 days.

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Publisher Info
Paper provided by American Agricultural Economics Association (New Name 2008: Agricultural and Applied Economics Association) in its series 2008 Annual Meeting, July 27-29, 2008, Orlando, Florida with number 6512.

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Date of creation: 2008
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Handle: RePEc:ags:aaea08:6512

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Related research
Keywords: Biofuels; United States; Cointegration; Threshold; Resource /Energy Economics and Policy;

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References listed on IDEAS
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  1. 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. [Downloadable!] (restricted)
  2. Elliott, Graham, 1999. "Efficient Tests for a Unit Root When the Initial Observation Is Drawn from Its Unconditional Distribution," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 40(3), pages 767-83, August.
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  3. Dr. Peter Kenning & Hilke Plassmann, 2004. "NeuroEconomics," Experimental 0412005, EconWPA. [Downloadable!]
  4. Eitrheim, Oyvind & Terasvirta, Timo, 1996. "Testing the adequacy of smooth transition autoregressive models," Journal of Econometrics, Elsevier, vol. 74(1), pages 59-75, September. [Downloadable!] (restricted)
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  5. Kelvin Balcombe & George Rapsomanikis, 2008. "Bayesian Estimation and Selection of Nonlinear Vector Error Correction Models: The Case of the Sugar-Ethanol-Oil Nexus in Brazil," American Journal of Agricultural Economics, American Agricultural Economics Association, vol. 90(3), pages 658-668, 08. [Downloadable!] (restricted)
  6. Elliott, Graham & Rothenberg, Thomas J & Stock, James H, 1996. "Efficient Tests for an Autoregressive Unit Root," Econometrica, Econometric Society, vol. 64(4), pages 813-36, July. [Downloadable!] (restricted)
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  7. van Dijk, Dick & Teräsvirta, Timo & Franses, Philip Hans, 2000. "Smooth Transition Autoregressive Models - A Survey of Recent Developments," Working Paper Series in Economics and Finance 380, Stockholm School of Economics, revised 17 Jan 2001. [Downloadable!]
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  8. Perron, Pierre, 1997. "Further evidence on breaking trend functions in macroeconomic variables," Journal of Econometrics, Elsevier, vol. 80(2), pages 355-385, October. [Downloadable!] (restricted)
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  9. Koop, Gary & Pesaran, M. Hashem & Potter, Simon M., 1996. "Impulse response analysis in nonlinear multivariate models," Journal of Econometrics, Elsevier, vol. 74(1), pages 119-147, September. [Downloadable!] (restricted)
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This page was last updated on 2009-11-26.

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