A structural vector autoregression (SVAR) model along with a direct acyclic graph is employed to decompose how supply/demand structural shocks affect food and fuel markets. The results support the hypothesis that fundamental market forces of demand and supply are the main drivers of food price...

Enhanced environmental quality, fuel security, and economic development along with reduced prices of ethanol-gasoline blends are often used as justifications for the U.S. federal excise tax exemption on ethanol fuels. However, the possible effect of increased overall consumption of fuel in...

In 2010, the U.S. Environmental Protection Agency announced a waiver allowing an increase in the fuel–ethanol blend limit (the “blend wall”) from 10% (E10) to 15% (E15). Justifications for the waiver are reduced vehicle-fuel prices and less consumption of petroleum gasoline, leading to...