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Long-Run Impact of Corn-Based Ethanol on the Grain, Oilseed, and Livestock Sectors: A Preliminary Assessment, The

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  • Elobeid, Amani
  • Tokgoz, Simla
  • Hayes, Dermot J.
  • Babcock, Bruce A.
  • Hart, Chad E.

Abstract

The ongoing growth of corn-based ethanol production raises some fundamental questions about what impact continued growth will have on US and world agriculture. Estimates of the long-run potential for ethanol production can be made by calculating the corn price at which the incentive to expand ethanol production disappears. Under current ethanol tax policy, if the prices of crude oil, natural gas and distillers grains stay at current levels, then the break-even corn price is $4.05 per bushel. A multi-commodity, multi-country system of integrated commodity models is used to estimate the impacts if we ever get to $4.05 corn. At this price, corn-based ethanol production would reach 31.5 billion gallons per year. Supporting this level of production would require 95.6 million acres of corn to be planted. Total corn production would be approximately 15.6 billion bushels, compared to 11.0 billion bushels today. Most of the additional corn acres come from reduced soybean acreage. The demand for biotech corn varieties that allow for continuous corn production would increase dramatically as would the demand for corn, soybean, and wheat varieties that can be grown in marginal areas.

Suggested Citation

  • Elobeid, Amani & Tokgoz, Simla & Hayes, Dermot J. & Babcock, Bruce A. & Hart, Chad E., 2007. "Long-Run Impact of Corn-Based Ethanol on the Grain, Oilseed, and Livestock Sectors: A Preliminary Assessment, The," Staff General Research Papers Archive 12717, Iowa State University, Department of Economics.
    • Handle: RePEc:isu:genres:12717
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    1. Amani Elobeid & Simla Tokgoz, 2006. "Removal of U.S. Ethanol Domestic and Trade Distortions: Impact on U.S. and Brazilian Ethanol Markets," Center for Agricultural and Rural Development (CARD) Publications 06-wp427, Center for Agricultural and Rural Development (CARD) at Iowa State University.
    2. Gallagher, Paul W. & Shapouri, Hosein & Price, Jeffrey & Schamel, Guenter & Brubaker, Heather, 2003. "Some Long-Run Effects of Growing Markets and Renewable Fuel Standards on Additives Markets and the U.S. Ethanol Industry," Staff General Research Papers Archive 10648, Iowa State University, Department of Economics.
    3. Gallagher, Paul W. & Shapouri, Hosein & Price, Jeffrey & Schamel, Guenter & Brubaker, Heather, 2003. "Some long-run effects of growing markets and renewable fuel standards on additives markets and the US ethanol industry," Journal of Policy Modeling, Elsevier, vol. 25(6-7), pages 585-608, September.
    4. Eidman, Vernon R., 2005. "Agriculture's Role in Energy Production: Current Levels and Future Prospects," Energy from Agriculture: New Technologies, Innovative Programs and Success Stories, December 14-15, 2005, St. Louis, Missouri 7628, Farm Foundation.
    5. Gallagher, Paul W. & Shapouri, Hosein & Price, Jeffrey & Schamel, Guenter & Brubaker, Heather, 2003. "Some long-run effects of growing markets and renewable fuel standards on additives markets and the US ethanol industry," ISU General Staff Papers 200309010700001445, Iowa State University, Department of Economics.
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