3 papers
stat.ME2026
On the suitability of ratio variables in data envelopment analysis: An application to education with methodological extensions
Vicente J. Bolós, VÃctor J. España, Rafael BenÃtez +1
It is well known that the use of ratio variables is inconsistent with the fundamental assumptions of convex Data Envelopment Analysis (DEA). However, in this paper, we establish a…
math.OC2025
A new family of models with generalized orientation in data envelopment analysis
V. J. Bolos, R Benitez, V. Coll-Serrano
In the framework of data envelopment analysis, we review directional models \citep{Chambers1996, Chambers1998, Briec1997} and show that they are inadequate when inputs and outputs…
econ.EM2025
Conventional and Fuzzy Data Envelopment Analysis with deaR
Vicente J. Bolos, Rafael Benitez, Vicente Coll-Serrano
deaR is a recently developed R package for data envelopment analysis (DEA) that implements a large number of conventional and fuzzy models, along with super-efficiency models, cros…