We show how leakage differs, depending on the biofuel policy and market conditions. Carbon leakage is shown to have two components: a market leakage effect and an emissions savings effect. We also distinguish domestic and international leakage. International leakage is always positive, but...

A general theory is developed to analyze the efficiency and income distribution effects of a biofuel consumer tax exemption and the interaction effects with a price contingent farm subsidy. Using U.S. policy as an example, ethanol prices rise above the gasoline price by the amount of the tax...

This paper analyzes the impact of an ethanol import tariff in conjunction with a consumption mandate and tax credit. A tax credit alone acts as a subsidy to ethanol producers, equally benefiting exporters like Brazil. If an import tariff is imposed to offset the tax credit, world prices of...