Capturing the environment, a metafrontier approach to the drinking water sector. - Kristof De Witte; Rui Cunha Marques (Int. Trans. Oper. Res., 2009)

Influential observations in frontier models, a robust non-oriented approach to the water sector. - Kristof De Witte; Rui Cunha Marques (Ann. Oper. Res., 2010)

Designing performance incentives, an international benchmark study in the water sector. - Kristof De Witte; Rui Cunha Marques (Central Eur. J. Oper. Res., 2010)

Efficiency and equity in private and public education: A nonparametric comparison. - Laurens Cherchye; Kristof De Witte; Erwin Ooghe; Ides Nicaise (Eur. J. Oper. Res., 2010)

COOPER-framework: A unified process for non-parametric projects. - Ali Emrouznejad; Kristof De Witte (Eur. J. Oper. Res., 2010)

Mean and bold? On separating merger economies from structural efficiency gains in the drinking water sector. - Kristof De Witte; Elbert Dijkgraaf (J. Oper. Res. Soc., 2010)

Assessing pupil and school performance by non-parametric and parametric techniques. - Kristof De Witte; Emmanuel Thanassoulis; Gary Simpson; Guiliana Battisti; Andrew Charlesworth-May (J. Oper. Res. Soc., 2010)

To publish or not to publish? On the aggregation and drivers of research performance. - Kristof De Witte; Nicky Rogge (Scientometrics, 2010)

The role of innovations in secondary school performance - Evidence from a conditional efficiency model. - Carla Haelermans; Kristof De Witte (Eur. J. Oper. Res., 2012)

Citizen coproduction and efficient public good provision: Theory and evidence from local public libraries. - Kristof De Witte; Benny Geys (Eur. J. Oper. Res., 2013)

Accounting for economies of scope in performance evaluations of university professors. - Kristof De Witte; Nicky Rogge; Laurens Cherchye; Tom Van Puyenbroeck (J. Oper. Res. Soc., 2013)

What about excellence in teaching? A benevolent ranking of universities. - Kristof De Witte; Lenka Hudrlikova (Scientometrics, 2013)

Does ICT matter for effectiveness and efficiency in mathematics education? - Kristof De Witte; Nicky Rogge (Comput. Educ., 2014)

One- and multi-directional conditional efficiency measurement - Efficiency in Lithuanian family farms. - Tomas Balezentis; Kristof De Witte (Eur. J. Oper. Res., 2015)

The effectiveness of a computer-assisted math learning program. - Kristof De Witte; Carla Haelermans; Nicky Rogge (J. Comput. Assist. Learn., 2015)

The influence of public subsidies on farm technical efficiency: A robust conditional nonparametric approach. - Jean Joseph Minviel; Kristof De Witte (Eur. J. Oper. Res., 2017)

The interaction between dropout, graduation rates and quality ratings in universities. - Eline Sneyers; Kristof De Witte (J. Oper. Res. Soc., 2017)

Efficiency in education: a review of literature and a way forward. - Kristof De Witte; Laura López-Torres (J. Oper. Res. Soc., 2017)

Measuring and explaining organizational effectiveness of school districts: Evidence from a robust and conditional Benefit-of-the-Doubt approach. - Kristof De Witte; Fritz Schiltz (Eur. J. Oper. Res., 2018)

Special issue on "Efficiency in Education, Health and other Public Services". - Tommaso Agasisti; Kristof De Witte; Geraint Johnes; Jill Johnes (Int. Trans. Oper. Res., 2018)

Local governments' efficiency: a systematic literature review - part I. - Isabel Narbón-Perpiñá; Kristof De Witte (Int. Trans. Oper. Res., 2018)

Local governments' efficiency: a systematic literature review - part II. - Isabel Narbón-Perpiñá; Kristof De Witte (Int. Trans. Oper. Res., 2018)

Heterogeneous causal effects with imperfect compliance: a novel Bayesian machine learning approach. - Falco J. Bargagli Stoffi; Kristof De Witte; Giorgio Gnecco (CoRR, 2019)

A unified productivity-performance approach applied to secondary schools. - Laurens Cherchye; Kristof De Witte; Sergio Perelman (J. Oper. Res. Soc., 2019)

Managerial efficiency and efficiency differentials in adult education: a conditional and bias-corrected efficiency analysis. - Fritz Schiltz; Kristof De Witte; Deni Mazrekaj (Ann. Oper. Res., 2020)

Service level provision in municipalities: A flexible directional distance composite indicator. - Giovanna D'Inverno; Kristof De Witte (Eur. J. Oper. Res., 2020)

Preface to the Special issue on Efficiency in Education, Health and Other Public Services. - Kristof De Witte; Geraint Johnes; Jill Johnes; Tommaso Agasisti (Int. Trans. Oper. Res., 2020)

The impact of teacher engagement in an interactive webinar series on the effectiveness of financial literacy education. - Boukje Compen; Kristof De Witte; Wouter Schelfhout (Br. J. Educ. Technol., 2021)

The effects of computer-assisted adaptive instruction and elaborated feedback on learning outcomes. A randomized control trial. - Kaat Iterbeke; Kristof De Witte; Wouter Schelfhout (Comput. Hum. Behav., 2021)

Impact evaluation in a multi-input multi-output setting: Evidence on the effect of additional resources for schools. - Giovanna D'Inverno; Mike Smet; Kristof De Witte (Eur. J. Oper. Res., 2021)

The role of students' interests during computer-assisted learning: A field experiment. - Kaat Iterbeke; Wouter Schelfhout; Kristof De Witte (Comput. Hum. Behav., 2022)

How to elicit and cease herding behaviour? On the effectiveness of a warning message as a debiasing decision support system. - Boukje Compen; Francisco Pitthan; Wouter Schelfhout; Kristof De Witte (Decis. Support Syst., 2022)

Information shocks and parental response in education. A case study of an open government initiative1. - Silvia Palmaccio; Fritz Schiltz; Kristof De Witte (Gov. Inf. Q., 2022)

Policy evaluation and efficiency: a systematic literature review. - Anna Mergoni; Kristof De Witte (Int. Trans. Oper. Res., 2022)

Estimating the causal impact of an intervention on efficiency in a dynamic setting. - Anna Mergoni; Kristof De Witte (J. Oper. Res. Soc., 2022)

On distinguishing the direct causal effect of an intervention from its efficiency-enhancing effects. - Oleg Badunenko; Giovanna D'Inverno; Kristof De Witte (Eur. J. Oper. Res., 2023)

Sustainable budgeting and financial balance: Which lever will you pull? - Giovanna D'Inverno; Francesco Vidoli; Kristof De Witte (Eur. J. Oper. Res., 2023)

Fifty years of Data Envelopment Analysis. - Anna Mergoni; Ali Emrouznejad; Kristof De Witte (Eur. J. Oper. Res., 2025)

Game over or continue? How gamification can improve completion rate in adaptive learning. - Francisco Pitthan; Kristof De Witte (Educ. Inf. Technol., 2025)