A Younesi - Department of Statistics and Operation Research, University of Cádiz, Cádiz, Spain
M Arana-Jimenéz - Department of Statistics and Operation Research, University of Cádiz, Cádiz, Spain
M.C Sánchez-Gil - Department of Statistics and Operation Research, University of Cádiz, Cádiz, Spain
S Lozano - Department of Industrial Management, University of Sevilla, Sevilla, Spain

In this work, we present and comment some results from our recent paper [۷] on efficiency on slacksbasedDEA problem with integer interval data. To this matter, a new approach consisting of two phases isproposed, considering integer interval arithmetic and partial orders. The new method is illustrated andapplied to a dataset from the literature.

Efficiency, integer DEA, interval data, production possibility set, slacks-based mode