This paper estimates returns to scale and technical efficiency of corn farms following an input distance function approach and compares the relative performance of farm operator households with and without off-farm wages and salaries. We use 1995-2003 USDA data. The input distance function...

This paper develops an econometric model to analyze the onfarm impact of adoption of genetically engineered (GE) crops on pesticide use and yields after controlling for other factors. The model, which corrects for self-selection and simultaneity and is consistent with profit maximization, is...