{"title":"Surge pricing and multi-agency interaction in humanitarian logistics: An equilibrium approach","authors":"Mojtaba Salarpour","doi":"10.1016/j.ejor.2026.09.018","DOIUrl":"https://doi.org/10.1016/j.ejor.2026.09.018","url":null,"abstract":"","PeriodicalId":55161,"journal":{"name":"European Journal of Operational Research","volume":"71 1","pages":""},"PeriodicalIF":6.4,"publicationDate":"2026-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149020560","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"管理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"From global to local? Designing optimal climate-linked industrial policy for global supply chains under sustainability gaps","authors":"Yifan Cao,Xiaoyan Xu","doi":"10.1016/j.ejor.2026.09.029","DOIUrl":"https://doi.org/10.1016/j.ejor.2026.09.029","url":null,"abstract":"","PeriodicalId":55161,"journal":{"name":"European Journal of Operational Research","volume":"17 1","pages":""},"PeriodicalIF":6.4,"publicationDate":"2026-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149049418","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"管理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Competitive implications of spectrum subleasing on pricing, quality and sourcing decisions","authors":"Manish Tripathy,Hans Sebastian Heese,Tim Kraft","doi":"10.1016/j.ejor.2026.09.030","DOIUrl":"https://doi.org/10.1016/j.ejor.2026.09.030","url":null,"abstract":"","PeriodicalId":55161,"journal":{"name":"European Journal of Operational Research","volume":"106 1","pages":""},"PeriodicalIF":6.4,"publicationDate":"2026-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149049424","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"管理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"When manufacturer encroachment backfires: Effects of cross-selling in Internet of Things product supply chains","authors":"Rui Hou,Yongjiao Ruan,You Zhao","doi":"10.1016/j.ejor.2026.09.032","DOIUrl":"https://doi.org/10.1016/j.ejor.2026.09.032","url":null,"abstract":"","PeriodicalId":55161,"journal":{"name":"European Journal of Operational Research","volume":"102 1","pages":""},"PeriodicalIF":6.4,"publicationDate":"2026-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149020569","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"管理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Housheng Zhou, Jianguo Qi, Lixing Yang, Hongyang Wang, Ran Yan
{"title":"Robust optimization for urban metro operations: Solving train timetabling and rolling stock circulation planning problems via facility location models","authors":"Housheng Zhou, Jianguo Qi, Lixing Yang, Hongyang Wang, Ran Yan","doi":"10.1016/j.ejor.2026.08.025","DOIUrl":"https://doi.org/10.1016/j.ejor.2026.08.025","url":null,"abstract":"The dynamic and uncertain nature of passenger demand presents significant challenges for the operation of urban metro systems. We study the robust train timetabling and rolling stock circulation planning problem under uncertain passenger demand to improve metro service stability and operational efficiency. Passenger demand is modeled using a continuous polyhedral uncertainty set to capture real-world variations. A novel modeling framework is introduced that reformulates the train timetabling and rolling stock circulation planning problem as a capacitated facility location problem, which enables more effective integration of complex operational decisions. To solve this problem efficiently, we propose a progressive optimality gap reduction algorithm, which iterates between a master problem and a subproblem. This algorithm accelerates early iterations and enables the computation of (near) optimal solutions for large-scale instances. Two sets of numerical experiments based on Beijing Metro Yizhuang Line and Xi’an Metro Line 6 show that our method outperforms traditional column and constraint generation and Benders decomposition algorithms. The robust model exhibits reliable performance compared with deterministic and stochastic models, producing reliable, high-performance operational plans under uncertainty.","PeriodicalId":55161,"journal":{"name":"European Journal of Operational Research","volume":"13 1","pages":""},"PeriodicalIF":6.4,"publicationDate":"2026-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148884968","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"管理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Gregory Koronakos,José H. Dulá,Dimitris K. Despotis
{"title":"Counting operations to analyze and compare Fast DEA procedures","authors":"Gregory Koronakos,José H. Dulá,Dimitris K. Despotis","doi":"10.1016/j.ejor.2026.09.003","DOIUrl":"https://doi.org/10.1016/j.ejor.2026.09.003","url":null,"abstract":"","PeriodicalId":55161,"journal":{"name":"European Journal of Operational Research","volume":"13 1","pages":""},"PeriodicalIF":6.4,"publicationDate":"2026-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149020561","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"管理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}