Beyers, Lindie; Thirtle, Colin G. - International Association of Agricultural Economists - IAAE - 2003
farmers allows innate efficiency differences, due to factors such as farm size, to be separated from the effects of the new … showed negative benefits in 1998-99, which conflicts with continued adoption, but stochastic efficiency frontier estimation …, which takes account of the labor saved, showed that adopters averaged 88% efficiency, as compared with 66% for the non …