Omega

1973 - 2025

Current editor(s): B. Lev

From Elsevier
Bibliographic data for series maintained by Catherine Liu ().

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Volume 126, issue C, 2024

Social responsibility disclosure format in a supply chain

Xiaoqing Fan, Jianxiong Zhang, Yao Yao and Liqun Wei

Hedging against uncertainty in transportation network design through flexible scheduling

Simon Belieres and Mike Hewitt

Multi-criteria decision-aiding for public hospitals: The role of interactions among pairs of access and quality criteria

Beatriz Cagigal Gregório, Miguel Alves Pereira and Ana Sara Costa

Dynamic repositioning in bike-sharing systems with uncertain demand: An improved rolling horizon framework

Xiang Li, Xianzhe Wang and Ziyan Feng

Multi-day tourism recommendations for urban tourists considering hotel selection: A heuristic optimization approach

Lunwen Wu, Zhouyiying Wang, Zhixue Liao, Di Xiao, Peng Han, Wenyong Li and Qin Chen

Do blockchain capabilities help overcome supply and operational risks: Insights from firm market returns during COVID-19

Chunguang Bai, Qingyun Zhu and Joseph Sarkis

Pricing decisions of online and offline dual-channel supply chains considering data resource mining

Zaoli Yang, Wen-Long Shang, Lin Miao, Shivam Gupta and Zhengli Wang

A novel regret-rejoice cross-efficiency approach for energy stock portfolio optimization

Yong-Jun Liu, Guo-Sen Yang and Wei-Guo Zhang

Multi-sector environmental efficiency and productivity: A general Leontief optimization method

Yizhong Wang, Sujong Jeong, Ye Hang and Qunwei Wang

A study on policy decisions to embed flexibility for reactive recovery in the planning and scheduling process in operating rooms

Babak Akbarzadeh and Broos Maenhout

Integrated multi-product reverse supply chain design and disassembly line balancing under uncertainty

Peng Hu, Feng Chu, Alexandre Dolgui, Chengbin Chu and Ming Liu

A unified framework for nonperforming loan modeling in bank production: An application of data envelopment analysis

Hirofumi Fukuyama, Roman Matousek and Nickolaos G. Tzeremes

A robust optimization approach for placement of applications in edge computing considering latency uncertainty

Jaehee Jeong, Gopika Premsankar, Bissan Ghaddar and Sasu Tarkoma

Holding diverse market beliefs by firms: Information flow, profit performances, and channel structure

Li Jiang and Zhongyuan Hao

A continuous approximation approach to integrated truck and drone delivery systems

Juan Zhang, James F. Campbell and Donald C. Sweeney

Playing Stackelberg Security Games in perfect formulations

Pamela Bustamante-Faúndez, Víctor Bucarey L., Martine Labbé, Vladimir Marianov and Fernando Ordoñez

Evaluation of bank efficiency by considering the uncertainty of nonperforming loans

Xingchen Li, Guangcheng Xu, Jie Wu, Chengzhen Xu and Qingyuan Zhu

Delivery arrangement in online distribution channels under different power structures

Xiongwei Zhou, Chaoqun Zhu and Dan Cai

Newsvendor overconfidence and advertising

Xin Chen, Weijun Xu and Meng Wu

Weighing in on the average weights: Measuring corporate social performance (CSP) score using DEA

Chien-Ming Chen and Dan Li

Flexible global forecast combinations

Ryan Thompson, Yilin Qian and Andrey Vasnev

Better decisions with less cognitive load: The Parsimonious BWM

Salvatore Corrente, Salvatore Greco and Jafar Rezaei

Modeling criteria and project interactions in portfolio decision analysis with the Choquet integral

Matteo Brunelli and Salvatore Corrente

Impact of privacy regulation involving information collection on the ride-hailing market

Fapeng Nie, Xiang Li and Chang Zhou

Heuristics for perishable inventory systems under mixture issuance policies

Jingying Ding and Zhenkang Peng

Volume 125, issue C, 2024

Profit- and risk-driven credit scoring under parameter uncertainty: A multiobjective approach

Yong Xu, Gang Kou, Yi Peng, Kexing Ding, Daji Ergu and Fahd S. Alotaibi

New product introductions with selection of unique and common features in monopoly markets

Burak Çelik, Justus Arne Schwarz and Barış Tan

Consumer preference analysis: Diverse preference learning with online ratings

Peijia Ren, Xiaodan Liu and Wei-Guo Zhang

Stable streaming platforms: a cooperative game approach

Loe Schlicher, Bas Dietzenbacher and Marieke Musegaas

A shared-input integer network DEA approach linking football teams’ wages and market values

Gabriel Villa and Sebastián Lozano

Free trial or no free trial: Optimal policy of electronic products with positive and negative network effects

Zhiyong Zhang, Hongke Zhao, Baofeng Huo and Ming He

Trade credit provision under uniform price regulation

Yonghui Chen, Yan Zeng, Mingyu Zheng and Qiao-Chu He

Mail back or in-store dropoff? Optimal design of product-exchange policies in omnichannel retailing systems

Ke Sun, Yunan Liu and Xiang Li

A simulation study on the probabilities of rank reversal, tie making, and tie breaking for multiple criteria decision making methods

Lisheng Jiang, Huchang Liao and Bernard De Baets

Profit-driven weighted classifier with interpretable ability for customer churn prediction

Ping Jiang, Zhenkun Liu, Mohammad Zoynul Abedin, Jianzhou Wang, Wendong Yang and Qingli Dong

Sustainable sourcing contracts under supplier capital constraints and information asymmetry

Zahra Mirzajani, Mohammad E. Nikoofal and Saeed Zolfaghari

Decision support framework for tactical emergency medical service location planning

Matthias Grot

Technological cooperation or competition? optimal strategies of incumbent and entrant in ICT markets

Yifan Liu, Minqiang Li, Haiyang Feng and Nan Feng

Sales pricing models based on returns: Bundling vs. add-on

Tengfei Nie, Bo Song and Jianghua Zhang

Exact decomposition approaches for a single container loading problem with stacking constraints and medium-sized weakly heterogeneous items

Maxence Delorme and Joris Wagenaar

Passenger service-oriented timetable rescheduling for large-scale disruptions in a railway network: A heuristic-based alternating direction method of multipliers

Cong Xiu, Jinyi Pan, Andrea D'Ariano, Shuguang Zhan and Qiyuan Peng

Integrating time-temperature dependent deterioration in the economic order quantity model for perishable products in multi-echelon supply chains

G.D.H. Claassen, P. Kirst, A. Thai Thi Van, J.C.M.A. Snels, X. Guo and P. van Beek

Logistics outsourcing strategy with online freight platforms

Chenchen Yang, Junsong Bian, Xiaolong Guo and Wenwen Jiang

Multicriteria panel-data directional distances and the efficiency measurement of multidimensional higher education systems

Thyago C.C. Nepomuceno, Tommaso Agasisti, Alice Bertoletti and Cinzia Daraio

Volume 124, issue C, 2024

Analysis of the Chinese government's subsidy programs to restore the pork supply chain: The case of African swine fever

Hengyu Liu and Kai Zheng

Optimization of train schedule with uncertain maintenance plans in high-speed railways: A stochastic programming approach

Hangyu Ji, Rui Wang, Chuntian Zhang, Jiateng Yin, Lin Ma and Lixing Yang

Selecting good redistricting plans from a large pool of available plans using the efficient frontier

Ram Gopalan, Lee Hachadoorian, Steven O. Kimbrough and Frederic H. Murphy

Developing a national pandemic vaccination calendar under supply uncertainty

Sırma Karakaya and Burcu Balcik

Analysis of email management strategies and their effects on email management performance

Peter Letmathe and Elisabeth Noll

The price-elastic knapsack problem

Ricardo Fukasawa, Joe Naoum-Sawaya and Daniel Oliveira

A Multi-objective integrated approach to address sustainability in a meat supply chain

Mehdi Najafi and Hossein Zolfagharinia

Optimal decisions for hybrid manufacturing and remanufacturing with trade-in program and carbon tax

Sijie Li, Bin Zheng and Dongfeng Jia

Order assignment and two-stage integrated scheduling in fruit and vegetable supply chains

Gang Wang

Social media retailing in the creator economy

Yajun Cai, Yibin Wu and Weili Xue

Group efficiency and individual fairness tradeoff in making wise decisions

Ming Tang and Huchang Liao

National or third-party manufacturer? Sourcing strategy of a dominant platform: Signaling game's perspective

Yang Tong and Tiaojun Xiao

The introduction and market expansion effects of green products considering network externalities

Xiaoxi Liu