Multi-output efficiency with good and bad outputs. - Laurens Cherchye; Bram De Rock; Barnabé Walheer (Eur. J. Oper. Res., 2015)

Growth and convergence of the OECD countries: A multi-sector production-frontier approach. - Barnabé Walheer (Eur. J. Oper. Res., 2016)

Aggregation of metafrontier technology gap ratios: the case of European sectors in 1995-2015. - Barnabé Walheer (Eur. J. Oper. Res., 2018)

Aggregating Farrell efficiencies with private and public inputs. - Barnabé Walheer (Eur. J. Oper. Res., 2019)

Input allocation in multi-output settings: Nonparametric robust efficiency measurements. - Barnabé Walheer (J. Oper. Res. Soc., 2019)

Dynamic directional nonparametric profit efficiency analysis for a single decision-making unit: an aggregation approach. - Barnabé Walheer (OR Spectr., 2019)

Output, input, and undesirable output interconnections in data envelopment analysis: convexity and returns-to-scale. - Barnabé Walheer (Ann. Oper. Res., 2020)

Cross-efficiency for advanced manufacturing technology selection: A multi-task approach. - Barnabé Walheer (RAIRO Oper. Res., 2022)

Meta-frontier and technology switchers: A nonparametric approach. - Barnabé Walheer (Eur. J. Oper. Res., 2023)

A sequential benefit-of-the-doubt composite indicator. - Barnabé Walheer (Eur. J. Oper. Res., 2024)

Meta-frontier: literature review and toolkit. - Barnabé Walheer (Oper. Res., 2024)