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In this study, the efficiency levels of a sample of Missouri grain farms are measured through alternative frontier estimation procedures. Different estimation approaches are found to significantly alter both the average technical efficiency of the sample and the technical efficiency levels of individual firms. The relationship between farm size and techical efficiency is also found not to be robust to the choice of estimation technique. A latent variable model that reconciles conflicting efficiency series by accounting for measurement error is estimated in this study. Within this framework, a positive relationship between farm size and efficiency is supported.

Dans la presente etude, le niveay d'efficancite d'un echantillon de fermes cerealiers du Missouri est mesure par diverses methoes d'estimation des frontieres. Differntes avenues d'estimation modifient signigicativement a la fois l'efficacite technique moyenne de l'echantillon et …