Failure of integrability is shown to cause path-dependence of willingness-to-pay measures of welfare change. Using the linear expenditure system, effects of failure of integrability are negligible (substantial) for estimating income (price) elasticities. For single price changes, Hausman's...

The farm size-productivity relationship is tested using nonparametric efficiency measures based on distance functions. This approach to efficiency measurement is less restrictive and more informative than alternative methods. For a group of Honduran farms, diminishing returns to scale render...