Omega

1973 - 2025

Current editor(s): B. Lev

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

Access Statistics for this journal.
Is something missing from the series or not right? See the RePEc data check for the archive and series.

Volume 120, issue C, 2023

Wasserstein distance‐based distributionally robust parallel‐machine scheduling

Yunqiang Yin, Zunhao Luo, Dujuan Wang and T.C.E. Cheng

A column generation driven heuristic for order-scheduling and rack-sequencing in robotic mobile fulfillment systems

Jan-Erik Justkowiak and Erwin Pesch

Equitable and effective vaccine access considering vaccine hesitancy and capacity constraints

Irem Sengul Orgut, Nickolas Freeman, Dwight Lewis and Jason Parton

A profit difference decomposition model for measuring group performance: an application to Chinese and Taiwanese commercial banks

Xiang Chen, Emili Grifell-Tatje and Tsu-Tan Fu

Evidence-based managerial decision-making with machine learning: The case of Bayesian inference in aviation incidents

Burak Cankaya, Kazim Topuz, Dursun Delen and Aaron Glassman

Using machine learning techniques to reduce uncertainty for outpatient appointment scheduling practices in outpatient clinics

Davood Golmohammadi, Lingyu Zhao and David Dreyfus

Revelation mechanism and decoy strategy for a supply chain with consumer's perceived substitutability

Yichao Yuan and Tiaojun Xiao

Production-sharing of critical resources with dynamic demand under pandemic situation: The COVID-19 pandemic

Behnam Vahdani, Mehrdad Mohammadi, Simon Thevenin, Patrick Meyer and Alexandre Dolgui

Locker box location planning under uncertainty in demand and capacity availability

Simona Mancini, Margaretha Gansterer and Chefi Triki

Managing the quality-speed tradeoff in blockchain-supported healthcare diagnostic services

Mingyao Sun, Qiangfei Chai and Chi To Ng

Managing resource allocation for the recruitment stocking problem

Weiwei Chen, Gül Çulhan Kumcu, Benjamin Melamed and Alok Baveja

Knowledge percolation threshold and optimization strategies of the combinatorial network for complex innovation in the digital economy

Jianyu Zhao, Lean Yu, Xi Xi and Shengliang Li

An equilibrium approach towards sustainable operation of a modern coal chemical industrial park

Jingqi Dai and Zongmin Li

Distributionally robust chance-constrained programming for multi-period emergency resource allocation and vehicle routing in disaster response operations

Weiqiao Wang, Kai Yang, Lixing Yang and Ziyou Gao

Behavior-Based pricing under asymmetric channel competition with strategic consumers

Yingdan Zhang, Ruina Yang, Zelong Yi, Shiqing Yao and Yiheng Jing

A real-world case of autoclave loading and scheduling problems in aerospace composite material production

Volkan Haskilic, Aydin Ulucan, Kazim Baris Atici and Seda Busra Sarac

Channel strategies when digital platforms emerge: A systematic literature review

Xiaoyang Zhou, He Liu, Jialu Li, Kai Zhang and Benjamin Lev

An enhanced hybrid model based on multiple influencing factors and divide-conquer strategy for carbon price prediction

Jujie Wang, Zhenzhen Zhuang and Dongming Gao

Leveraging strategic consumer behavior in consumer-to-consumer resale: From economic and environmental perspectives

Chen Pang, Gang Li and Li Jiang

Volume 119, issue C, 2023

A robust optimization problem for drone-based equitable pandemic vaccine distribution with uncertain supply

Xin Wang, Ruiwei Jiang and Mingyao Qi

Returns operations in omnichannel retailing with buy-online-and-return-to-store

Lu Yang, Xiangyong Li, Ye Xia and Y.P. Aneja

Hospital dual-channel adoption decisions with telemedicine referral and misdiagnosis

Jian-Jun Wang, Xinmou Zhang and Jim Junmin Shi

Optimal trauma care network redesign with government subsidy: A bilevel integer programming approach

Shaonan Liu, Nan Kong, Pratik Parikh and Mingzheng Wang

Energy conservation investment and supply chain structure under cap-and-trade regulation for a green product

Qingguo Bai, Jiguang Chen and Jianteng Xu

The optimal vehicle product line strategy considering product information disclosure under government carbon regulation

Zhitang Li, Cuihua Zhang, Henry Xu and Ruxia Lyu

Assessing the dynamic efficiency and technology gap of airports under different ownerships: A union dynamic NDEA approach

Ming-Miin Yu and Ipsita Rakshit

A general direct approach for decomposing profit inefficiency

Jesus T. Pastor, José Zofío, Juan Aparicio and D. Pastor

Decomposition and aggregation of tone efficiencies

Giannis Karagiannis

The effect of ICT on schools’ efficiency: Empirical evidence on 23 European countries

Anna Mergoni, Mara Soncin and Tommaso Agasisti

Time to shift the shift: Performance effects of within-day cumulative service encounters in retail stores

Chien-Ming Chen and Howard Hao-Chun Chuang

Beyond kemeny rank aggregation: A parameterizable-penalty framework for robust ranking aggregation with ties

Sina Akbari and Adolfo R. Escobedo

The discrete p-center location problem with upgrading

Laura Anton-Sanchez, Mercedes Landete and Francisco Saldanha-da-Gama

On dynamic lot sizing with bounded inventory for a perishable product

Jie Fan and Jinwen Ou

Volume 118, issue C, 2023

Optimal energy and reserve scheduling in a renewable-dominant power system

Mengling Zhang, Zihao Jiao, Lun Ran and Yuli Zhang

A consensual group ELECTRE-SORT approach considering the incomparable classes with the application of machine maintenance strategy assignment

Decui Liang, Yuanyuan Fu and Alessio Ishizaka

Linear and piecewise linear formulations for a hierarchical facility location and sizing problem

Mumtaz Karatas and Levent Eriskin

Design mechanism to coordinate a hierarchical healthcare system: Patient subsidy vs. capacity investment

Zhong-Ping Li, Chang, Aichih (Jasmine) and Zongbao Zou

A column generation-based heuristic for brachytherapy patient scheduling with multiple treatment sessions considering radioactive source decay and time constraints

Kaining Shao, Wenjuan Fan, Shaowen Lan, Min Kong and Shanlin Yang

Pay-for-performance incentives in benchmarking with quasi S-shaped technology

Qingxian An, Qiaoyu Zhang and Xiangyang Tao

Incorporating social learning into the optimal return and pricing decisions of online retailers

Huirong Fan, Moutaz Khouja, Jie Gao and Jing Zhou

Reshore or not Reshore: A Stochastic Programming Approach to Supply Chain Optimization

Tadeusz Sawik

Green reverse logistics: Exploring the vehicle routing problem with deliveries and pickups

Maria João Santos, Diana Jorge, Tânia Ramos and Ana Barbosa-Póvoa

Word-of-Mouth on Action: Analysis of Optimal Shipment Policy When Customers are Resentful

Bahar Çavdar and Nesim Erkip

Financing capacity planning with environmental considerations: A non-parametric analysis

Jiawei Yang, Yuanyu Li and Lei Fang

A novel robust exact decomposition algorithm for berth and quay crane allocation and scheduling problem considering uncertainty and energy efficiency

Kaoutar Chargui, Tarik Zouadi, V. Raja Sreedharan, Abdellah El Fallahi and Mohamed Reghioui

An active preference learning approach to aid the selection of validators in blockchain environments

Jonas Gehrlein, Grzegorz Miebs, Matteo Brunelli and Miłosz Kadziński

Which is better for competing firms with quality increasing: behavior-based price discrimination or uniform pricing?

Yu Wang, Minqiang Li, Haiyang Feng and Nan Feng

Resilient relief supply planning using an integrated procurement-warehousing model under supply disruption

Mojtaba Aghajani, S. Ali Torabi and Nezih Altay

Dynamic ordering and buyer selection policies when service affects future demand

Michalis Deligiannis and George Liberopoulos

Volume 117, issue C, 2023

The Impact of Capacity Information on Supplier Encroachment

Hamid Elahi, Hubert Pun and Salar Ghamat

A new hierarchical multiple criteria ordered clustering approach as a complementary tool for sorting and ranking problems

Raymundo Díaz, Eduardo Fernández, José-Rui Figueira, Jorge Navarro and Efrain Solares

Electricity Tariff Design via Lens of Energy Justice

Hafiz Anwar Ullah Khan, Burcin Unel and Yury Dvorkin

Constraint programming and logic-based Benders decomposition for the integrated process planning and scheduling problem

Xuedong Zhu, Junbo Son, Xi Zhang and Jianguo Wu

A strategic analysis of virtual showrooms deployment in online retail platforms

Tao Zhang, Gang Li and Giri Kumar Tayi

The Role of Ambiguity Aversion in Contract-farming Supply Chains: A Distributionally Robust Approach

Yuanguang Zhong, Ju Liu, Yong-Wu Zhou, Bin Cao and Xueliang Zheng

Deposit or reward: Express packaging recycling for online retailing platforms

Xiaolong Guo, Xiansen Li, Junsong Bian and Chenchen Yang

Continuous covering on networks: Improved mixed integer programming formulations

Mercedes Pelegrín and Liding Xu

A compensatory value function for modeling risk tolerance and criteria interactions in preference disaggregation

Xingli Wu and Huchang Liao

Regret-rejoice two-stage multiplicative DEA models-driven cross-efficiency evaluation with probabilistic linguistic information

Feifei Jin, Yuhang Cai, Ligang Zhou and Tao Ding

Efficient resilience portfolio design in the supply chain with consideration of preparedness and recovery investments

Riccardo Aldrighetti, Daria Battini and Dmitry Ivanov

Cooperative game based two-stage consensus adjustment mechanism for large-scale group decision making

Fanyong Meng, Jie Tang and Qingxian An

Lenient vs. stringent returns policies in the presence of fraudulent returns: The role of customers’ fairness perceptions

Jing Chen, Bo Yu, Bintong Chen and Zhuojun Liu

Real-time resource allocation in the emergency department: A case study

Davide Duma and Roberto Aringhieri

Reducing passenger waiting time in oversaturated metro lines with passenger flow control policy

Jinpeng Liang, Guangzhi Zang, Haitao Liu, Jianfeng Zheng and Ziyou Gao

Gains and Losses of Key Opinion Leaders’ Product Promotion in Livestream E-commerce

Baozhuang Niu, Xinhu Yu, Qiyang Li and Yulan Wang

An analysis on production and inventory models with discounted cash-flows

Yousef Ghiami