Narrow search
Showing 1 - 10 of 5,009
Cover Image
Portfolio symmetry and momentum
Billio, Monica; Calès, Ludovic; Guégan, Dominique - In: European journal of operational research : EJOR 214 (2011) 3, pp. 759-767
Persistent link: https://www.econbiz.de/10009316179
Cover Image
The GMM estimation of semiparametric spatial stochastic frontier models
Hou, Zhezhi; Zhao, Shunan; Kumbhakar, Subal - In: European journal of operational research : EJOR 305 (2023) 3, pp. 1450-1464
Persistent link: https://www.econbiz.de/10013499048
Cover Image
Management of agricultural research centers in Brazil : a DEA application using a dynamic GMM approach
Souza, Geraldo da Silva e; Gomes, Eliane Gonçalves - In: European journal of operational research : EJOR 240 (2015) 3, pp. 819-824
Persistent link: https://www.econbiz.de/10010486941
Cover Image
Further results on estimating inefficiency effects in stochastic frontier models
Tsionas, Efthymios G.; Mamatzakis, Emmanuel C. - In: European journal of operational research : EJOR 275 (2019) 3, pp. 1157-1164
Persistent link: https://www.econbiz.de/10011993677
Cover Image
Dynamic firm performance and estimator choice : a comparison of dynamic panel data estimators
Cave, Joshua; Chaudhuri, Kausik; Kumbhakar, Subal - In: European journal of operational research : EJOR 307 (2023) 1, pp. 447-467
Persistent link: https://www.econbiz.de/10014293030
Cover Image
A dynamic model of environmental conflict and structural change
Moffatt, I. - In: European journal of operational research : EJOR 25 (1986) 1, pp. 98-104
Persistent link: https://www.econbiz.de/10003633717
Cover Image
Balancing hydraulic turbine runners : a discrete combinatorial optimization problem
Mosevich, Jack - In: European journal of operational research : EJOR 26 (1986) 2, pp. 202-204
Persistent link: https://www.econbiz.de/10003635147
Cover Image
The savings algorithms for the vehicle routing problem
Paessens, H. - In: European journal of operational research : EJOR 34 (1988) 3, pp. 336-344
Persistent link: https://www.econbiz.de/10003647010
Cover Image
A heuristic algorithm for a pseudo-cyclic delivery problem under window constraints
Palleta, Giuseppe - In: European journal of operational research : EJOR 31 (1987) 1, pp. 71-77
Persistent link: https://www.econbiz.de/10003647409
Cover Image
Local decomposition methods for linear programming
Panne, C. van de - In: European journal of operational research : EJOR 28 (1987) 3, pp. 369-381
Persistent link: https://www.econbiz.de/10003647986