Omega

1973 - 2026

Current editor(s): B. Lev

From Elsevier
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Volume 138, issue C, 2026

Global nonparametric diversified frontier-based efficiency measures and Luenberger productivity indices of ESG funds

Tiantian Ren, Helu Xiao and Zhongbao Zhou

Equipment leasing supply chain with demand uncertainty

Ting Zhao, Zhi-Long Chen and Xinbao Liu

Strategic pricing and advertising decisions under competition with long-term advertising effects

Yuhong He, Jianghua Wu and Xiao Xiao

Efficiency with consent: Permutable queueing in on-demand services

Tianyu Wang, Desheng Wu and Jiaxian Yang

Opaque pricing strategy with social network effects

Tengfei Nie, Hengjia Bao, Rongji Huang and Shaofu Du

Optimal self-scheduling and market involvement with electricity price uncertainty

Mengling Zhang, Lun Ran and Jianzhi Leng

Fixed cost and minimum compensation allocations in two-stage systems: A DEA-dual game framework

Zixuan Lyu, Lin Wang and Quanbo Zha

Online joint optimization of order picking process in robotic mobile fulfillment systems

Guoshuai Jiao, Min Huang, Yang Song, Haobin Li and Xingwei Wang

Optimal production, fuel economy investment and credit trading decisions under dual-credit policy

Zhenxiao Wang, Fen Xu, Li Xiao and Peng Yang

Dynamic performance evaluation of Taiwan's food industry: ESG insights and strategic implications

Wen-Min Lu, Chien-Heng Chou, Irene Wei Kiong Ting and Ko-Chiang Cheng

Managing life-cycle capacity of cloud computing: Integrating data-driven optimization and inventory theory for capacity investment and retirement

Rongjinzi Wang, Jie Song, Yunzhe Qiu, Li Su, Lei Zhu and Wenli Zhou

A novel hybrid optimization approach for cost-efficient pump scheduling in water supply systems

Marlene Brás, Ana Moura and António Andrade-Campos

Product bundling strategy and pricing for co-livestreaming rooms considering consumer subscription

Shoujie Cai, Sijie Li, Jingjing Xue and Xiaohua Han

Should a retailer opt for an advance selling strategy? Perspectives from a capital-constrained supply chain

Yajing Wang, Jian Li, Shichao Zhu, Shouyang Wang and T.C.E. Cheng

Using teletriage to model the risk of hospital admission at the time of registration in an emergency department

Siddharth Arora and James W. Taylor

A general framework and an individual dominance realization model for efficient fixed cost allocation based on DEA

Junfei Chu, Yanhua Dong, Zhe Yuan and Weijiao Wang

Strategic responses to the carbon border adjustment mechanism: When and how to implement a carbon tax

Xiangyun Chang, Yongkang Lu and Ou Tang

An outranking relation built on an additive value function preference model: Creating synergy between both paradigms

Eduardo Fernández, Jorge Navarro, Efrain Solares, Raymundo Díaz and Victor Manuel Molina Morejón

Robust battery swapping for e-bike sharing with uncertain covariates and partial outsourcing

Chengcheng Yu and Lindong Liu

A branch-and-price algorithm for the parallel-line lot-sizing and scheduling problem in flat-panel display manufacturing process

Seyoung Oh, Jinyeong Jeong, Younsoo Lee and Kyungsik Lee

Modularity for hypergraph clustering: Methodologies and applications

Stefano Benati, Justo Puerto and Francisco Temprano

Free extended warranty service strategies with unequal consumers’ preference on retailing channels

Lin Li and Guo Li

Robust de novo programming under different uncertainty sets and its application to the renewable energy sector

Noureddine Kouaissah

To adopt or not? The impacts of “Try-Now-Pay-Later” on platform markets

Shuxiao Sun, He Liu, Jinrong Zhu and Shouyang Wang

Subsidy policy design for low-carbon products considering production and pricing competition

Ting Zhang, Yunzhi Cao and Jing Cui

Order quantity optimization model for perishable products under continuous review (Q, r) inventory policy with stochastic demand and positive lead time

Pavee Siriruk and Apicha Kotekangpoo

Randomized price-matching: How the instant retail platform competes with the community group-buying store

Chenchen Zhao, Jianghua Wu and Yuhong He

Blockchain technology implementation and sustainable operations in platform supply chains across diverse channel modes

Longfei He, Wenfan Bai, Fangtong Liu and Xiaohang Yue

Planning container flows through the Eurasian rail network: Managing ad-hoc demand under limited capacity

Jing Shan and Jörn Schönberger

Decision making in Roll-on/Roll-off operations

Florian Jaehn, Thomas Wensing and Frank Wiedra

Express transport network design with transshipments

Rongping Zhu, Jian-Ya Ding, Shiji Song, Hao Ye and Keyou You

Battery-leasing strategies for electric vehicles considering a performance guarantee

Wei Xie, Guoxin Han and Yuanguang Zhong

A time–space network model for a truck and multi-drone delivery system with battery recharging and variable speeds

Lavinia Amorosi, Dell’Olmo, Paolo, Justo Puerto and Carlos Valverde

Multi-period fourth-party logistics network design with promised service time and regret behavior

Yuxin Zhang, Min Huang, Zhiguang Cao, Xingwei Wang, Zhiqi Shen and Jie Zhang

Accounting for caseloads in the efficiency analysis of courts of justice

Grammatoula Papaioannou, Panagiotis Ravanos, Giannis Karagiannis and Victor V. Podinovski

Competition or social priority? The subsidy strategies for the power sector amid power crisis

Ji Chen, Xiangwen Li, Xiao Yu and Tomas Baležentis

Apportionment methods in resource allocation

László Á. Kóczy, Tamás Koltai and Balázs R. Sziklai

Robust bi-objective mean-CVaR portfolio selection: Applications to energy sector

Asmerilda Hitaj, Elisa Mastrogiacomo and Elena Molho

A novel multi-stage multi-scenario multi-objective optimisation framework for adaptive robust decision-making under deep uncertainty

Babooshka Shavazipour and Theodor J. Stewart

A predict-and-prescribe framework for dynamic course scheduling toward strategic university scaling

Özge Aygül, Teodor Hellgren, Shima Azizi and Andrew C. Trapp

Advance selling in the presence of valuation uncertainty and demand correlation

Jianhong Li, Chen Hu, Mingzhuo Dai, Wenjing Shen and Zhiyuan Chen

Reveal the new function of crowdfunding: Production risk transfer mechanism

Yang Xu, Yu Zhang and Jiancheng Lyu

Robust performance evaluation and improvement: Opening the black-box of weight space

Xiyang Lei, Weiyan Qiu, Jianping Li and Qianzhi Dai

Robust framework for the joint learning of consumer preferences and market segmentation

Shobeir Amirnequiee, Joe Naoum-Sawaya and Hubert Pun

Unleashing resilience through digitalization: Do upstream and downstream firms differ?

Zishun Qian, Tingting Yan, Jianbin Li and Yicheng Zhang

Rational versus presumptive decisions in a decentralized co-production system: Solutions and applications

Zhixuan Cai, Tianhu Deng and Christopher S. Tang

Two-Stage robust optimization approach for supplier selection, development, and order allocation under uncertainty

Guyu Dai, Xicai Zhang and Ren-Qian Zhang

Values of private traffic for community group-buying platform: A game-theoretic model of subsidy strategy choice

Lingli Shu, Xuedong Liang and Pengkun Wu

Distributionally robust optimisation approach for aircraft sequencing and scheduling with learning-driven arrival and departure time predictions

Chenliang Zhang, Zhongyi Jin, Kam K.H. Ng, Tie-Qiao Tang and Rong Tang

Approximate dynamic programming-based thresholds for cargo capacity management considering postponements

Dhandabani Srinivasan, R.K. Amit, Atul Kumar Malik and Shao Hung Goh

Distributionally robust master surgery scheduling with duration uncertainty and specialty parallelism

Jinfeng Li, Songzheng Zhao, Salma Makboul, Zhongping Zhang, Yang Wang and Mingjun Huang

Trendsetting in conspicuous consumption: The impact of a resale market

Kemeng Liu and Gang Li

Column generation and local search for the profit-oriented hub-line location problem with elastic demands

Brenda Cobeña and Claudio Contardo

Distributionally robust multi-period operating room scheduling with multiple surgical disciplines under uncertain surgery durations

Xiaoyu Xu, Yunqiang Yin, Dujuan Wang, T.C.E. Cheng and Xiutian Sima

A new approach for measuring productivity gaps across groups: an application with historic footballers from FC Barcelona and Real Madrid

José M. Cordero and Daniel Santín

A trailer-detention-constrained multi-trailer drop-and-pull container drayage problem with flexible service starting time and time windows

Decheng Wang, Zhihui Fan, Yarong Liu and Ilkyeong Moon

Online coupon and offline service efforts in omnichannel retailing with cross-channel effect

Kebing Chen, Qinyi Zhang and Shengbin Wang

A bilevel approach to integrated surgeon scheduling and surgery planning solved via branch-and-price

Broos Maenhout, Přemysl Šůcha, Viktorie Valdmanova, Ondřej Tkadlec and Jana Thao Rozlivkova

Markov Decision Process for Mixed-Model Assembly Line design under process time uncertainty

Milad Elyasi, Simon Thevenin, Audrey Cerqueus and Alexandre Dolgui

Outliers and rewards in regulation: Insights from German electricity benchmarking

Mohsen Afsharian and Peter Bogetoft

Content moderation and creator incentives mechanism amidst controversial content surges

Ruixiao Dong, Xu Guan, Xiaohua Han and Yuan Jiang

Optimizing election logistics: A multi-period routing problem embedding time-dependent reward functions

Renata Mansini, Lorenzo Moreschini and Mesut Sayin

Order selection and fulfillment integration with flexible products

Miao Wang, Feng Li, Zhou Xu, Xianyan Yang and Julong Wang

Navigating uncertainty in human interaction: A management science approach using Bayesian games in therapy

A. Mehrabi, R. Rahimi M. and A. Nikoofard

Water losses: A productivity analysis of the water supply in Portugal

P. Ravelojaona, A. Abad, P.N. Alves, F.S. Pinto and I. Costa-Melo

Risk reduced sparse index tracking portfolio: A topological data analysis approach

Anubha Goel, Puneet Pasricha and Juho Kanniainen

Is it all about the stars? Spending on star players and success in the National Football League

Nicky Rogge and Paul Rowley

Electric bus battery swapping and charging management across multiple depots

Siyuan Yang, Kun An and Jeppe Rich

A composite indicator framework integrating regulator perspectives for assessing water service quality

Hermilio Vilarinho, Miguel Alves Pereira, D’Inverno, Giovanna and Ana S. Camanho

Target-oriented distributionally robust optimization for battery swapping in shared micromobility systems

Ziliang Jin, Peixuan Li, Yuanbo Li, Dining Ma, Xuejie Ren and Lingxiao Wu

Behavior-based pricing with exclusivity-seeking and strategic consumers

Enfeng Xing, Jianxiong Zhang and Xiaojie Sun

The Multi-Level Cards method: Weights elicitation, consistency checking and restoration for hierarchical criteria

River Huang, Salvatore Corrente, Eleftherios Siskos and Peter Burgherr

Talent scheduling with daily working capacity and scene changeover times

Zhaoqi Yang, Shunji Tanaka and Bertrand M.T. Lin

Social E-commerce Operations: Is it wise to adopt short video and live-streaming together?

Xiaojun Fan and Lu Zhang