Kristiaan Kerstens

According to our database, Kristiaan Kerstens authored at least 42 papers between 1998 and 2024.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of five.

2024

Convex and nonconvex nonparametric frontier-based classification methods for anomaly detection.

Qianying Jin, Kristiaan Kerstens, Ignace Van de Woestyne

OR Spectr., December, 2024

Plant capacity notions: review, new definitions, and existence results at firm and industry levels.

Kristiaan Kerstens, Jafar Sadeghi

Int. J. Prod. Res., February, 2024

Evaluating different groups of mutual funds using a metafrontier approach: Ethical vs. non-ethical funds.

Qianying Jin, Antonella Basso, Stefania Funari, Kristiaan Kerstens, Ignace Van de Woestyne

Eur. J. Oper. Res., February, 2024

Evaluation and optimization of hospital system in Chinese provinces: does mortality matter?

Zhiyang Shen, Kristiaan Kerstens, Vivian Valdmanis, Songkai Wang

RAIRO Oper. Res., January, 2024

Correction to: Malmquist productivity indices and plant capacity utilisation: new proposals and empirical application.

Kristiaan Kerstens, Jafar Sadeghi, Ignace Van de Woestyne, Linjia Zhang

Ann. Oper. Res., January, 2024

Economic and Environmental Decomposition of Luenberger-Hicks-Moorsteen Total Factor Productivity Indicator: Empirical Analysis of Chinese Textile Firms With a Focus on Reporting Infeasibilities and Questioning Convexity.

Tomas Balezentis, Kristiaan Kerstens, Zhiyang Shen

IEEE Trans. Engineering Management, 2024

Risk-aversion versus risk-loving preferences in nonparametric frontier-based fund ratings: A buy-and-hold backtesting strategy.

Tiantian Ren, Kristiaan Kerstens, Saurav Kumar

Eur. J. Oper. Res., 2024

Double hedonic price-characteristics frontier estimation for IoT service providers in the industry 5.0 era: A nonconvex perspective accommodating ratios.

Kristiaan Kerstens, Majid Azadi, Reza Kazemi Matin, Reza Farzipoor Saen

Eur. J. Oper. Res., 2024

2023

Evaluating horizontal mergers in Swedish district courts using plant capacity concepts.

Xiaoqing Chen, Kristiaan Kerstens

RAIRO Oper. Res., January, 2023

2022

Procedures for ranking technical and cost efficient units: With a focus on nonconvexity.

Kristiaan Kerstens, Jafar Sadeghi, Mehdi Toloo, Ignace Van de Woestyne

Eur. J. Oper. Res., 2022

Generalised commensurability properties of efficiency measures: Implications for productivity indicators.

Walter Briec, Audrey Dumas, Kristiaan Kerstens, Agathe Stenger

Eur. J. Oper. Res., 2022

Some connections between higher moments portfolio optimization methods.

Farshad Noravesh, Kristiaan Kerstens

CoRR, 2022

Malmquist productivity indices and plant capacity utilisation: new proposals and empirical application.

Kristiaan Kerstens, Jafar Sadeghi, Ignace Van de Woestyne, Linjia Zhang

Ann. Oper. Res., 2022

2021

Cost functions are nonconvex in the outputs when the technology is nonconvex: convexification is not harmless.

Kristiaan Kerstens, Ignace Van de Woestyne

Ann. Oper. Res., 2021

2020

Empirical surveys of frontier applications: a meta-review.

Cinzia Daraio, Kristiaan Kerstens, Thyago Celso Cavalcante Nepomuceno, Robin C. Sickles

Int. Trans. Oper. Res., 2020

Input Efficiency Measures: A Generalized, Encompassing Formulation.

Walter Briec, Laurent Cavaignac, Kristiaan Kerstens

Oper. Res., 2020

Metafrontier productivity indices: Questioning the common convexification strategy.

Qianying Jin, Kristiaan Kerstens, Ignace Van de Woestyne

Eur. J. Oper. Res., 2020

Plant capacity notions in a non-parametric framework: a brief review and new graph or non-oriented plant capacities.

Kristiaan Kerstens, Jafar Sadeghi, Ignace Van de Woestyne

Ann. Oper. Res., 2020

2019

Plant Capacity and Attainability: Exploration and Remedies.

Kristiaan Kerstens, Jafar Sadeghi, Ignace Van de Woestyne

Oper. Res., 2019

Convex and nonconvex input-oriented technical and economic capacity measures: An empirical comparison.

Kristiaan Kerstens, Jafar Sadeghi, Ignace Van de Woestyne

Eur. J. Oper. Res., 2019

Metatechnology frontier and convexity: A restatement.

Kristiaan Kerstens, Christopher O'Donnell, Ignace Van de Woestyne

Eur. J. Oper. Res., 2019

Short- and long-run plant capacity notions: Definitions and comparison.

Giovanni Cesaroni, Kristiaan Kerstens, Ignace Van de Woestyne

Eur. J. Oper. Res., 2019

2018

Testing general and special Färe-Primont indices: A proposal for public and private sector synthetic indices of European regional expenditures and tourism.

Walter Briec, Kristiaan Kerstens, Diego Prior, Ignace Van de Woestyne

Eur. J. Oper. Res., 2018

Enumeration algorithms for FDH directional distance functions under different returns to scale assumptions.

Kristiaan Kerstens, Ignace Van de Woestyne

Ann. Oper. Res., 2018

2017

Estimating scale economies in non-convex production models.

Giovanni Cesaroni, Kristiaan Kerstens, Ignace Van de Woestyne

J. Oper. Res. Soc., 2017

Global and local scale characteristics in convex and nonconvex nonparametric technologies: A first empirical exploration.

Giovanni Cesaroni, Kristiaan Kerstens, Ignace Van de Woestyne

Eur. J. Oper. Res., 2017

2015

Frontier-based vs. traditional mutual fund ratings: A first backtesting analysis.

Olivier Brandouy, Kristiaan Kerstens, Ignace Van de Woestyne

Eur. J. Oper. Res., 2015

2014

Nonparametric cost and revenue functions under constant economies of scale: an enumeration approach for the single output or input case.

Walter Briec, Kristiaan Kerstens, Ignace Van de Woestyne

Int. Trans. Oper. Res., 2014

A note on a variant of radial measure capable of dealing with negative inputs and outputs in DEA.

Kristiaan Kerstens, Ignace Van de Woestyne

Eur. J. Oper. Res., 2014

Comparing Malmquist and Hicks-Moorsteen productivity indices: Exploring the impact of unbalanced vs. balanced panel data.

Kristiaan Kerstens, Ignace Van de Woestyne

Eur. J. Oper. Res., 2014

Solution Methods for nonconvex Free disposal Hull Models: a Review and some Critical Comments.

Kristiaan Kerstens, Ignace Van de Woestyne

Asia Pac. J. Oper. Res., 2014

2013

Portfolio selection with skewness: A comparison of methods and a generalized one fund result.

Walter Briec, Kristiaan Kerstens, Ignace Van de Woestyne

Eur. J. Oper. Res., 2013

2012

Benchmarking mean-variance portfolios using a shortage function: the choice of direction vector affects rankings!

Kristiaan Kerstens, Amine Mounir, Ignace Van de Woestyne

J. Oper. Res. Soc., 2012

Returns to growth in a nonparametric DEA approach.

Biresh K. Sahoo, Kristiaan Kerstens, Kaoru Tone

Int. Trans. Oper. Res., 2012

2011

Negative data in DEA: a simple proportional distance function approach.

Kristiaan Kerstens, Ignace Van de Woestyne

J. Oper. Res. Soc., 2011

Geometric representation of the mean-variance-skewness portfolio frontier based upon the shortage function.

Kristiaan Kerstens, Amine Mounir, Ignace Van de Woestyne

Eur. J. Oper. Res., 2011

Bank productivity and performance groups: A decomposition approach based upon the Luenberger productivity indicator.

Mircea Epure, Kristiaan Kerstens, Diego Prior

Eur. J. Oper. Res., 2011

2010

Comparing efficiency across markets: An extension and critique of the methodology.

Ruben Chumpitaz, Kristiaan Kerstens, Nicholas Paparoidamis, Matthias Staat

Eur. J. Oper. Res., 2010

Hedonic price function estimation in economics and marketing: revisiting Lancaster's issue of "noncombinable" goods.

Ruben Chumpitaz, Kristiaan Kerstens, Nicholas Paparoidamis, Matthias Staat

Ann. Oper. Res., 2010

2007

Mean-Variance-Skewness Portfolio Performance Gauging: A General Shortage Function and Dual Approach.

Walter Briec, Kristiaan Kerstens, Octave Jokung

Manag. Sci., 2007

1999

Estimating returns to scale using non-parametric deterministic technologies: A new method based on goodness-of-fit.

Kristiaan Kerstens, Philippe Vanden Eeckaut

Eur. J. Oper. Res., 1999

1998

The choice of a technical efficiency measure on the free disposal hull reference technology: A comparison using US banking data.

Bruno De Borger, Gary D. Ferrier, Kristiaan Kerstens

Eur. J. Oper. Res., 1998