A price discrimination model is proposed to explain extraneous information provided by internet sales sites for agricultural inputs. Whether an informative site is offered depends on price discrimination potential, which depends on how much farmers reveal heterogeneity by internet behavior....

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...