Omega

1973 - 2025

Current editor(s): B. Lev

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

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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

Volume 123, issue C, 2024

Data-driven inventory policy: Learning from sequentially observed non-stationary data

Ke Ren, Hoda Bidkhori and Zuo-Jun Max Shen

Inducing a probability distribution in Stochastic Multicriteria Acceptability Analysis

Sally Giuseppe Arcidiacono, Salvatore Corrente and Salvatore Greco

Robust actions for improving supply chain resilience and viability

Ming Liu, Yueyu Ding, Feng Chu, Alexandre Dolgui and Feifeng Zheng

Impact of consumer valuation updating in a competitive software market

Shuxia Peng, Bo Li and Wei Zheng

An analytical framework for the best–worst method

Qun Wu, Xinwang Liu, Ligang Zhou, Jindong Qin and Jafar Rezaei

A novel online portfolio selection approach based on pattern matching and ESG factors

Ali Fereydooni, Sasan Barak and Seyed Mehrzad Asaad Sajadi

Power distribution in developing countries — Planning for effectiveness and equity

Adi S. Sarid, Peter W. Glynn and Michal Tzur

Friend or foe? Examining local service sharing between offline stores and e-tailers

Bozhuang Lei, Gang Li and T.C.E. Cheng

Maximum slacks-based measure of efficiency in network data envelopment analysis: A case of garment manufacturing

Chiang Kao

Promised-delivery-time-driven reselling facing global platform's private label competition: Game analysis and data validation

Baozhuang Niu, Jiayun Liu, Jianhua Zhang and Kanglin Chen

Analysis of global brands’ green procurement strategy: Co-opetitive local sourcing vs. overseas sourcing under delivery disruption

Baozhuang Niu, Fengfeng Xie and Lei Chen

Comparative risk aversion vs. threshold choice in the Omega ratio

Anne G. Balter, Ki Wai Chau and Nikolaus Schweizer

Online acceptance probability approximation in peer-to-peer transportation

Rosemonde Ausseil, Marlin W. Ulmer and Jennifer A. Pazour

Appointment scheduling in surgery pre-admission testing clinics

Saligrama Agnihothri, Paola Cappanera, Maddalena Nonato and Filippo Visintin

Who benefits from postponement in multi-period supply channel optimization?

Reza Azad Gholami, Leif Kristoffer Sandal and Jan Ubøe

Historical information based iterated greedy algorithm for distributed flowshop group scheduling problem with sequence-dependent setup times

Xuan He, Quan-Ke Pan, Liang Gao, Janis S. Neufeld and Jatinder N.D. Gupta

Impact of vertical integration in a referral-based healthcare system

Xuejing Cao, Sampath Rajagopalan and Chunyang Tong

Volume 122, issue C, 2024

Explainable interactive evolutionary multiobjective optimization

Salvatore Corrente, Salvatore Greco, Benedetto Matarazzo and Roman Słowiński

A subsidized reverse supply chain in the Chinese electronics industry

Yanzi Zhang, Gemma Berenguer and Zhi-Hai Zhang

An oracle-based algorithm for robust planning of production routing problems in closed-loop supply chains of beverage glass bottles

Ali Borumand, Ahmadreza Marandi, Ali S. Nookabadi and Zümbül Atan

Tactical and operational planning of express intra-city package services

Ozgur Satici and Iman Dayarian

Scheduling aerial resource operations for the extinction of large-scale wildfires

Nina Skorin-Kapov, Luka Mesarić, Fernando Pereñíguez García and Lea Skorin-Kapov

A ranking approach for robust portfolio decision analysis based on multilinear portfolio utility functions and incomplete preference information

Xinwei Zhang, Yong Yan, Lilin Wang and Yang Wang

Vertical product line extension when online retailers serve as mom-and-pop stores’ suppliers

Chia-Wei Kuo, Hui Xiong, Ying-Ju Chen, Ting-Kai Chang, Shining Wu and Yung-Hsun Chang

ERIUE: Evidential reasoning-based influential users evaluation in social networks

Tao Wen, Yu-wang Chen, Tahir abbas Syed and Ting Wu

Value of sorting and recovery in post-disaster relief aid distribution

Mehmet Alegoz, Muge Acar and F. Sibel Salman

Optimal pricing strategy of an on-demand platform with cross-regional passengers

Xinru Hu, Shuiyin Zhou, Xiaomeng Luo, Jianbin Li and Chi Zhang

A generalized data envelopment analysis approach for fixed cost allocation with preference information

Jiawei Yang, Dan Li and Yongjun Li

Impact of product sharing and heterogeneous consumers on manufacturers offering trade-in programs

Shu Hu and Yanli Tang

Optimal coverage-based placement of static leak detection devices for pipeline water supply networks

Víctor Blanco and Miguel Martínez-Antón

Managing flexibility in stochastic multi-level lot sizing problem with service level constraints

Narges Sereshti, Yossiri Adulyasak and Raf Jans

Scheduling a set of jobs with convex piecewise linear cost functions on a single-batch-processing machine

Hongbin Zhang, Yu Yang and Feng Wu

Distributionally robust facility location with uncertain facility capacity and customer demand

Chun Cheng, Qinxiao Yu, Yossiri Adulyasak and Louis-Martin Rousseau

The effect of carbon tariffs and the associated coping strategies: A global supply chain perspective

Xiaoyang Zhou, Qiuyun Zhu, Lei Xu, Kai Wang, Xiang Yin and Sachin Kumar Mangla

Dynamic pricing in the presence of social externalities and reference-price effect

Jafar Chaab and Georges Zaccour

Compensation guarantees in crowdsourced delivery: Impact on platform and driver welfare

Aliaa Alnaggar, Fatma Gzara and James H. Bookbinder

International comparisons of COVID-19 pandemic management: What can be learned from activity analysis techniques?

Víctor Giménez, Diego Prior, Claudio Thieme and Emili Tortosa-Ausina

Online investor attention and firm restructuring performance: Insights from an event-based DEA-Tobit model

Hui Li and Dongdong Wu

Integrated optimization of train timetable and train unit circulation for a Y-type urban rail transit system with flexible train composition mode

Lin Yang, Yuan Gao, D’Ariano, Andrea and Suxiu Xu

Supply chain contracting with asymmetric cost information and behavioral preferences: Theory and experiment

Junlin Chen, Zewu Jiang, Xiaobo Zhao, Wanshan Zhu and Jinxing Xie

The Choquet integral supported by a hedonic approach for modelling preferences in hotel selection

Amelia Bilbao-Terol and Celia Bilbao-Terol