Omega

1973 - 2025

Current editor(s): B. Lev

From Elsevier
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Volume 39, issue 6, 2011

Pediatric vaccine procurement policy: The monopsonist's problem pp. 589-597

Matthew J. Robbins and Sheldon H. Jacobson

An integrated hybrid approach to the examination timetabling problem pp. 598-607

Hamza Turabieh and Salwani Abdullah

Technology-based total factor productivity and benchmarking: New proposals and an application pp. 608-619

Mircea Epure, Kristiaan Kerstens and Diego Prior

DEA as a tool for predicting corporate failure and success: A case of bankruptcy assessment pp. 620-626

I.M. Premachandra, Yao Chen and John Watson

A column generation heuristic for dynamic capacitated lot sizing with random demand under a fill rate constraint pp. 627-633

Horst Tempelmeier

Reducing differences between profiles of weights: A "peer-restricted" cross-efficiency evaluation pp. 634-641

Nuria Ramón, José Ruiz and Inmaculada Sirvent

Joint modified block replacement and production/inventory control policy for a failure-prone manufacturing cell pp. 642-654

F. Berthaut, A. Gharbi and K. Dhouib

Linear programming approach to solve interval-valued matrix games pp. 655-666

Deng-Feng Li

Inter-organizational information systems visibility in buyer-supplier relationships: The case of telecommunication equipment component manufacturing industry pp. 667-676

Kyung Kyu Kim, Sung Yul Ryoo and Myung Dug Jung

FAMCDM: A fusion approach of MCDM methods to rank multiclass classification algorithms pp. 677-689

Yi Peng, Gang Kou, Guoxun Wang and Yong Shi

An empirical study of transformational leadership, team performance and service quality in retail banks pp. 690-701

Peter K.C. Lee, T.C. Edwin Cheng, Andy C.L. Yeung and Kee-hung Lai

The tactical use of constraints and structure in diagnostic problem solving pp. 702-709

Jeroen de Mast

An inventory model with random discount offerings pp. 710-718

M. Mahdi Tajbakhsh, Chi-Guhn Lee and Saeed Zolfaghari

Seed distributions for the NCAA men's basketball tournament pp. 719-724

Sheldon H. Jacobson, Alexander G. Nikolaev, Douglas M. King and Adrian J. Lee

Modeling fixed-charge problems with polynomials pp. 725-728

Benjamin Lev and Krzysztof Kowalski

Soft OR comes of age--but not everywhere! pp. 729-741

John Mingers

Volume 39, issue 5, 2011

Single-machine scheduling with general sum-of-processing-time-based and position-based learning effects pp. 467-471

Peng-Jen Lai and Wen-Chiung Lee

A study of DEA models without explicit inputs pp. 472-480

W.B. Liu, D.Q. Zhang, W. Meng, X.X. Li and F. Xu

Managing finished-goods inventory under capacitated delayed differentiation pp. 481-492

Dong Tang

The use of OWA operator weights for cross-efficiency aggregation pp. 493-503

Ying-Ming Wang and Kwai-Sang Chin

Duality of weakly disposable technology pp. 504-512

Timo Kuosmanen and Reza Kazemi Matin

Shift scheduling for tank trucks pp. 513-521

Sigrid Knust and Elisabeth Schumacher

Corporate philanthropic selection using data envelopment analysis pp. 522-527

Fariborz Y. Partovi

Optimal pricing and production decisions in the presence of symmetrical and asymmetrical substitution pp. 528-538

Sang-Won Kim and Peter C. Bell

Supply chain outsourcing under exchange rate risk and competition pp. 539-549

Zugang Liu and Anna Nagurney

Practical scheduling for call center operations pp. 550-557

Dennis C. Dietz

A multicriteria decision making model for reverse logistics using analytical hierarchy process pp. 558-573

Theresa J. Barker and Zelda B. Zabinsky

The EPQ with partial backordering and phase-dependent backordering rate pp. 574-577

David W. Pentico, Matthew J. Drake and Carl Toews

Changes in productivity of Spanish university libraries pp. 578-588

Jose Simon, Clara Simon and Alicia Arias

Volume 39, issue 4, 2011

An extension of the Electre I method for group decision-making under a fuzzy environment pp. 373-386

Adel Hatami-Marbini and Madjid Tavana

Stochastic simulation based genetic algorithm for chance constrained data envelopment analysis problems pp. 387-397

A. Udhayakumar, V. Charles and Mukesh Kumar

Evaluation of performance of European cities with the aim to promote quality of life improvements pp. 398-409

Paulo Morais and Ana S. Camanho

The cost of using stationary inventory policies when demand is non-stationary pp. 410-415

Huseyin Tunc, Onur A. Kilic, S. Armagan Tarim and Burak Eksioglu

On the dynamic use of project performance and schedule risk information during projecttracking pp. 416-426

Mario Vanhoucke

ScriptsMap: A tool for designing multi-method policy-making workshops pp. 427-434

Fran Ackermann, David F. Andersen, Colin Eden and George P. Richardson

Knowledge dissemination in operations management: Published perceptions versus academic reality pp. 435-446

Jack R. Meredith, Michelle D. Steward and Bruce R. Lewis

The performance evaluation of regional R&D investments in China: An application of DEA based on the first official China economic census data pp. 447-455

Wei Zhong, Wei Yuan, Susan X. Li and Zhimin Huang

Mitigating Hi-tech products risks due to rapid technological innovation pp. 456-463

P.C. Yang, H.M. Wee, B.S. Liu and O.K. Fong

A technical note on "A fuzzy set approach for R&D portfolio selection using a real options valuation model" by Wang and Hwang (2007) pp. 464-465

Farhad Hassanzadeh, Mikael Collan and Mohammad Modarres

Volume 39, issue 3, 2011

A review of representation issues and modeling challenges with influence diagrams pp. 227-241

Concha Bielza, Manuel Gómez and Prakash P. Shenoy

Restrictiveness and guidance in support systems pp. 242-253

Paul Goodwin, Robert Fildes, Michael Lawrence and Greg Stephens

Optimal design of supply chain networks under uncertain transient demand variations pp. 254-272

Michael C. Georgiadis, Panagiotis Tsiakis, Pantelis Longinidis and Maria K. Sofioglou

Makespan and workstation utilization minimization in a flowshop with operations flexibility pp. 273-282

Alex J. Ruiz-Torres, Johnny C. Ho and José H. Ablanedo-Rosas

Efficiency determinants in retail stores: a Bayesian framework pp. 283-292

A. George Assaf, Carlos Barros and Ricardo Sellers-Rubio

An iterated greedy algorithm for the flowshop scheduling problem with blocking pp. 293-301

Imma Ribas, Ramon Companys and Xavier Tort-Martorell

A competitive multiple-product newsboy problem with partial product substitution pp. 302-312

Di Huang, Hong Zhou and Qiu-Hong Zhao

Supply chain configuration for diffusion of new products: An integrated optimization approach pp. 313-322

Mehdi Amini and Haitao Li

Association of DEA super-efficiency estimates with financial ratios: Investigating the case for Chinese banks pp. 323-334

Necmi K. Avkiran

The facility location problem with Bernoulli demands pp. 335-345

Maria Albareda-Sambola, Elena Fernández and Francisco Saldanha-da-Gama

The exact fill rate in a periodic review base stock system under normally distributed demand pp. 346-349

Edward A. Silver and Diane P. Bischak

On the benefits of operational flexibility in a distribution network with transshipment pp. 350-361

Dennis Z. Yu, Sammi Y. Tang and Julie Niederhoff

Understanding multi-methodology: Evaluating the perceived impact of mixing methods for group budgetary decisions pp. 362-372

L. Alberto Franco and Ewan Lord

Volume 39, issue 2, 2011

OR of the people, by the people, for the people pp. 119-119

Heiner Muller-Merbach

A survey of scheduling problems with late work criteria pp. 120-129

Malgorzata Sterna

Demand switching criteria for multiple products: An inventory cost analysis pp. 130-137

Ying-Jiun Hsieh

Expanding the Spanish high-speed railway network pp. 138-150

Víctor Blanco, Justo Puerto and Ana B. Ramos

Location optimization of strategic alert sites for homeland defense pp. 151-158

John E. Bell, Stanley E. Griffis, William A. Cunningham and Jon A. Eberlan

Axial solutions for multiple objective linear problems. An application to target setting in DEA models with preferences pp. 159-167

M.A. Hinojosa and A.M. Mármol

Outsourcing vs. in-house production: a comparison of supply chain contracts with effort dependent demand pp. 168-178

Onur Kaya

The design of socially optimal decisions in a consensus scenario pp. 179-185

Jacinto González-Pachón and Carlos Romero

Pricing decisions in a multi-criteria setting for product recovery facilities pp. 186-193

Srikanth Vadde, Abe Zeid and Sagar V. Kamarthi

Selection of supply portfolio under disruption risks pp. 194-208

Tadeusz Sawik

The planning of cycle trips in the province of East Flanders pp. 209-213

Wouter Souffriau, Pieter Vansteenwegen, Greet Vanden Berghe and Dirk Van Oudheusden

Establishing best practice university research funding strategies using mixed-mode modelling pp. 214-225

Miles G. Nicholls and Barbara J. Cargill

Volume 39, issue 1, 2011

Five notions of OR/MS problems pp. 1-2

Heiner Muller-Merbach

Two-level network design with intermediate facilities: An application to electrical distribution systems pp. 3-13

Alysson M. Costa, Paulo M. França and Christiano Lyra Filho

Taiwan quality indicator project and hospital productivity growth pp. 14-22

Shyr-Juh Chang, Hsing-Chin Hsiao, Li-Hua Huang and Hsihui Chang

Product design strategies in a manufacturer-retailer distribution channel pp. 23-32

Zhongsheng Hua, Xuemei Zhang and Xiaoyan Xu

On linear bilevel problems with multiple objectives at the lower level pp. 33-40

Herminia I. Calvete and Carmen Galé

Decision making in the newsvendor problem: A cross-national laboratory study pp. 41-50

Tianjun Feng, L. Robin Keller and Xiaona Zheng

TSP in spreadsheets--A fast and flexible tool pp. 51-63

Rasmus Rasmussen

Crossdocking distribution networks with setup cost and time window constraint pp. 64-72

Hong Ma, Zhaowei Miao, Andrew Lim and Brian Rodrigues

Capacity rationing in rental systems with two customer classes and batch arrivals pp. 73-85

Felix Papier and Ulrich W. Thonemann

Trip packing in petrol stations replenishment pp. 86-98

Fayez F. Boctor, Jacques Renaud and Fabien Cornillier

Two-stage evaluation of bank branch efficiency using data envelopment analysis pp. 99-109

Joseph C. Paradi, Stephen Rouatt and Haiyan Zhu

Optimal ordering and pricing decisions for a target oriented newsvendor pp. 110-115

Shilei Yang, Chunming Victor Shi and Xuan Zhao