Este estudio estimó la forma funcional de producción cafetera en Colombia mediante fronteras estocásticas (FEP). Con esto, se analizó la importancia de los principales insumos empleados en la producción de café (cantidad de hectáreas cultivadas, mano de obra utilizada, maquinaria...

One of the important applications of data envelopment analysis (DEA) is estimation of most productive scale size (MPSS). The goal of this study, is to propose a new approach for estimating of MPSS in the presence of uncertain data that only the upper and lower bounds of them are known. To reach...

Non-parametric evaluation of returns to scale of production units in standard DEA models becomes problematic when their underlying technologies involve negative data. The methodology recently offered by Allahyar and Rostamy-Malkhalifeh (2015) (hence after called ARM model) is of some help to...