Ignace Van de Woestyne

According to our database, Ignace Van de Woestyne authored at least 25 papers between 2011 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

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

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

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

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

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

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