Cost efficiency of Belgian local governments: A comparative analysis of FDH, DEA, and econometric approaches B De Borger, K Kerstens Regional science and urban economics 26 (2), 145-170, 1996 | 778 | 1996 |
Public transit performance: what does one learn from frontier studies? B De Borger, K Kerstens, A Costa Transport reviews 22 (1), 1-38, 2002 | 366 | 2002 |
Explaining differences in productive efficiency: An application to Belgian municipalities B De Borger, K Kerstens, W Moesen, J Vanneste Public Choice 80 (3), 339-358, 1994 | 325 | 1994 |
Technical efficiency measurement and explanation of French urban transit companies K Kerstens Transportation Research Part A: Policy and Practice 30 (6), 431-452, 1996 | 291 | 1996 |
Mean-variance-skewness portfolio performance gauging: a general shortage function and dual approach W Briec, K Kerstens, O Jokung Management science 53 (1), 135-149, 2007 | 263 | 2007 |
Luenberger and Malmquist productivity indices: theoretical comparisons and empirical illustration JP Boussemart, W Briec, K Kerstens, JC Poutineau Bulletin of Economic Research 55 (4), 391-405, 2003 | 230 | 2003 |
Short‐and long‐run credit constraints in French agriculture: A directional distance function framework using expenditure‐constrained profit functions S Blancard, JP Boussemart, W Briec, K Kerstens American journal of agricultural economics 88 (2), 351-364, 2006 | 222 | 2006 |
Estimating returns to scale using non-parametric deterministic technologies: A new method based on goodness-of-fit K Kerstens, PV Eeckaut European Journal of Operational Research 113 (1), 206-214, 1999 | 199 | 1999 |
Radial and nonradial measures of technical efficiency: an empirical illustration for Belgian local governments using an FDH reference technology B De Borger, K Kerstens Journal of Productivity analysis 7, 41-62, 1996 | 165 | 1996 |
A Luenberger-Hicks-Moorsteen productivity indicator: its relation to the Hicks-Moorsteen productivity index and the Luenberger productivity indicator W Briec, K Kerstens Economic Theory 23, 925-939, 2004 | 162 | 2004 |
Non-convex technologies and cost functions: definitions, duality and nonparametric tests of convexity W Briec, K Kerstens, PV Eeckaut Journal of Economics 81, 155-192, 2004 | 139 | 2004 |
Single-period Markowitz portfolio selection, performance gauging, and duality: a variation on the Luenberger shortage function W Briec, K Kerstens, JB Lesourd Journal of Optimization Theory and Applications 120, 1-27, 2004 | 123 | 2004 |
Infeasibility and directional distance functions with application to the determinateness of the Luenberger productivity indicator W Briec, K Kerstens Journal of Optimization Theory and Applications 141, 55-73, 2009 | 116 | 2009 |
What is known about municipal efficiency: the Belgian case and beyond B De Borger, K Kerstens Productivity in the public sector/Blan, J.[edit.], 299-330, 2000 | 112 | 2000 |
Comparing Malmquist and Hicks–Moorsteen productivity indices: Exploring the impact of unbalanced vs. balanced panel data K Kerstens, I Van de Woestyne European Journal of Operational Research 233 (3), 749-758, 2014 | 109 | 2014 |
Multi-horizon Markowitz portfolio performance appraisals: A general approach W Briec, K Kerstens Omega 37 (1), 50-62, 2009 | 108 | 2009 |
The performance of bus-transit operators B De Borger, K Kerstens Handbook of transport modelling 1, 693-714, 2007 | 99 | 2007 |
Negative data in DEA: a simple proportional distance function approach K Kerstens, I Van de Woestyne Journal of the Operational Research Society 62 (7), 1413-1419, 2011 | 98 | 2011 |
The choice of a technical efficiency measure on the free disposal hull reference technology: A comparison using US banking data B De Borger, GD Ferrier, K Kerstens European Journal of Operational Research 105 (3), 427-446, 1998 | 94 | 1998 |
Bank productivity and performance groups: A decomposition approach based upon the Luenberger productivity indicator M Epure, K Kerstens, D Prior European Journal of Operational Research 211 (3), 630-641, 2011 | 93 | 2011 |