Impact of US Biofuel Policy on US Corn and Gasoline Price Variability

Lihong McPhail and Bruce Babcock

Staff General Research Papers Archive from Iowa State University, Department of Economics

Abstract: Despite a large number of studies that examine the influence of biofuels and biofuel policy on commodity prices, the impact of biofuel policy on commodity price variability is poorly understood. A good understanding of biofuel policy's impact on price variability is important for mitigating food insecurity and assisting policy formation. We examine how U.S. ethanol policies such as the Renewable Fuel Standard (RFS) mandates and the blend wall affect the price variability of corn and gasoline. We first present an analytical and graphical framework to identify the effect and then use stochastic partial equilibrium simulation to measure the magnitude of the impacts. We show that RFS mandates and the blend wall both reduce the price elasticity of demand for corn and gasoline and therefore increase the price variability when supply shocks occur to the markets. This has important implications for policy actions with respect to maintaining or changing the current RFS mandates and/or blend wall in the US.Biofuel policy; Price variability; Commodity; Stochastic simulation

Date: 2012-02-08
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Citations: View citations in EconPapers (45)

Published in Energy, February 2012, vol. 37 no. 1, pp. 505-513

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Journal Article: Impact of US biofuel policy on US corn and gasoline price variability (2012)
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