Nonlinearities in the U.S. corn-ethanol-oil-gasoline price system

Teresa Serra, David Zilberman, José M. Gil, Barry K. Goodwin

Research output: Contribution to journalArticlepeer-review


We use a smooth transition vector error correction model to assess price relationships within the U.S. ethanol industry. Monthly ethanol, corn, oil, and gasoline prices from 1990 to 2008 are used in the analysis. Results indicate the existence of long-run relationships among the prices analyzed. Strong links between energy and food prices are identified.

Original languageEnglish (US)
Pages (from-to)35-45
Number of pages11
JournalAgricultural Economics
Issue number1
StatePublished - Jan 1 2011
Externally publishedYes


  • Biofuels
  • Cointegration
  • Threshold
  • United States

ASJC Scopus subject areas

  • Agronomy and Crop Science
  • Economics and Econometrics


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