CARD study concludes reduction in ethanol mandate would have minor impact on price of corn
11 November 2013
A working paper by Professor Bruce Babcock and Wei Zhou from the Center for Agricultural and Rural Development (CARD) at Iowa State University suggests that lowering the US ethanol mandate to a level that can be met solely with E10 would result in a lower price of corn of between 5 and 6%, or about 25 centers per bushel, compared to the status quo.
This modest change in corn prices from alternative mandate levels suggests that the level of mandate should be determined more by consideration of broad policy objectives rather than the impact on the price of corn, the authors conclude.
To gain insight into what a possible decision by the EPA to reduce the level of ethanol mandates to levels that can easily be met might imply about the price of corn, Babcock and Zhou used a new model of the corn and RIN markets to project corn and ethanol prices and quantities through the 2019 marketing year under two ethanol mandate scenarios.
A status quo scenario in which mandates that can be met with corn ethanol increase to 14.4 billion gallons in 2014 and 15 billion gallons in 2015 and thereafter. Mandates at this level can only be met using E85 so also included in this scenario is 5,000 new locations where E85 can be purchased.
A second scenario holding mandates at 13 billion gallons, a level that can be met with E10.
Aside from the finding about the price of corn, they also found that RIN prices are close to zero most of the time in the lower mandate scenario and average between 50 and 60 cents in the higher mandate scenario.
Though the corn price difference is economically meaningful to corn farmers and livestock feeders, it is small compared to the price swings that the market has experienced since 2006. Of key importance to the advanced biofuel industry is whether policy will support the expansion of biofuels consumption by creating incentives to invest in flex cars and fueling stations that will facilitate expanded consumption of low-carbon ethanol. Consideration of the costs and benefits of creating these incentives as part of a national energy policy is of greater long-run importance than the impact of mandates on the price of corn.—Babcock and Zhou
Bruce Babcock and Wei Zhou (2013) “Impact on Corn Prices from Reduced Biofuel” (Working Paper 13-WP 543)
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