...Krisztina Horváth; Esteban Lafuente Purpose This study aims to evaluate how the configuration of competitive pillars impacts businesses' competitive efficiency by using a non-parametric model, namely, data envelopment analysis (DEA), with a single constant input. Design/methodology/approach...

... to evaluate efficiency, reference set and projections of DMUs within the categories. Lastly, all DMUs are evaluated together using the same models. Findings For situations that are not under the direct control of the management, DEA with categorical DMUs is an appropriate approach for efficiency...