International Transactions in Operational Research最新文献_第9页

Special Issue on “Decision Support System Technology in the Artificial Intelligence Era” 《人工智能时代的决策支持系统技术》特刊

IF 2.9 4区管理学

International Transactions in Operational Research Pub Date : 2025-12-01 DOI: 10.1111/itor.70113

引用次数: 0

Special Issue on “Cutting and Packing” “裁切及包装”特刊

IF 2.9 4区管理学

International Transactions in Operational Research Pub Date : 2025-12-01 DOI: 10.1111/itor.70115

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Digital technology and supply chain resilience: A literature review and emerging themes 数字技术和供应链弹性：文献综述和新兴主题

IF 2.9 4区管理学

International Transactions in Operational Research Pub Date : 2025-10-12 DOI: 10.1111/itor.70119

Shuang Wei, Jingyi Jiang, Juan Chen, Qiang Wang

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Special Issue on “Cutting and Packing” “裁切及包装”特刊

IF 2.9 4区管理学

International Transactions in Operational Research Pub Date : 2025-10-01 DOI: 10.1111/itor.70093

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Special Issue on “Decision Support System Technology in the Artificial Intelligence Era” 《人工智能时代的决策支持系统技术》特刊

IF 2.9 4区管理学

International Transactions in Operational Research Pub Date : 2025-10-01 DOI: 10.1111/itor.70094

引用次数: 0

A robust composite indicator framework for evaluating Sustainable Development Goal 3 using benefit-of-the-doubt models and principal component analysis 利用怀疑无罪模型和主成分分析，为评估可持续发展目标3建立强有力的复合指标框架

IF 2.9 4区管理学

International Transactions in Operational Research Pub Date : 2025-09-29 DOI: 10.1111/itor.70099

Raha Imanirad, Zijiang Yang, Hashem Omrani, Ali Emrouznejad

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Online versus offline encroachment? Channel selection and information sharing strategies in a multichannel supply chain considering consumer webrooming behavior 线上和线下的侵犯？考虑消费者网络浏览行为的多渠道供应链渠道选择与信息共享策略

IF 2.9 4区管理学

International Transactions in Operational Research Pub Date : 2025-09-21 DOI: 10.1111/itor.70101

Lingyun Guo, Yifan Zhang, Yujie Zhao, Lijie Tong

{"title":"Online versus offline encroachment? Channel selection and information sharing strategies in a multichannel supply chain considering consumer webrooming behavior","authors":"Lingyun Guo, Yifan Zhang, Yujie Zhao, Lijie Tong","doi":"10.1111/itor.70101","DOIUrl":"https://doi.org/10.1111/itor.70101","url":null,"abstract":"This paper develops a three-party game model comprising a supplier, an online retailer, and an offline retailer, where the supplier wholesales the product to retailers. Considering webrooming (i.e., consumers experience and purchase offline after evaluating products online) and information leakage, we examine the supplier encroachment channel (i.e., online or offline) and retailers' information sharing strategies. We find that the channel selection of encroachment depends on the cost difference between online and offline encroachment. Information sharing by a retailer can result in another retailer not sharing. Webrooming influences encroachment strategy by altering cost thresholds, prompting the supplier to encroach on the offline channel as webrooming increases. However, a strong preference for online shopping will lead the supplier to forgo encroachment despite webrooming. We identify a “win-win-win” situation where all stakeholders benefit from webrooming. Finally, we discuss consumer surplus and social welfare and extend the model based on differential pricing and information confidentiality.","PeriodicalId":49176,"journal":{"name":"International Transactions in Operational Research","volume":"33 3","pages":"1883-1926"},"PeriodicalIF":2.9,"publicationDate":"2025-09-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145646524","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"管理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Network-based index tracking using asset dependency structures 使用资产依赖结构的基于网络的索引跟踪

IF 2.9 4区管理学

International Transactions in Operational Research Pub Date : 2025-09-10 DOI: 10.1111/itor.70100

Fengmin Xu, Benchu Li, Jieao Ma, Xuepeng Li

{"title":"Network-based index tracking using asset dependency structures","authors":"Fengmin Xu, Benchu Li, Jieao Ma, Xuepeng Li","doi":"10.1111/itor.70100","DOIUrl":"https://doi.org/10.1111/itor.70100","url":null,"abstract":"Index tracking aims to replicate the performance of a selected index by constructing a portfolio. Tracking portfolio decisions rely on minimizing tracking error or the linear relationships among assets, neglecting the impact of complex nonlinear asset dependency structures on portfolio performance. In this paper, the network-based index tracking model without adaptive adjustment (ITN) and the network-based index tracking model with adaptive adjustment (ITNA) are proposed by utilizing asset dependency structures. Specifically, we construct networks based on the correlations among assets and express community structure and asset centrality, which reflect the dependency structure, as community structure constraints and centrality constraints, thus forming ITN. This model allows the portfolio to replicate the structure of the index, leading to improved tracking performance. To continuously benefit from asset dependency structures, it is necessary to adjust the portfolio when it significantly diverges from the new dependency structure. A structural consistency constraint, which allows for adjustments to the portfolio in response to variations in the dependency structure, is incorporated into ITN, resulting in ITNA. Empirical tests are conducted using data from six stock market indices. Compared to general index tracking, ITN achieves higher adjusted returns with reasonable tracking error. Additionally, ITNA achieves lower tracking errors and higher adjusted returns in large indices compared to the periodic adjustment strategy.","PeriodicalId":49176,"journal":{"name":"International Transactions in Operational Research","volume":"33 3","pages":"1498-1524"},"PeriodicalIF":2.9,"publicationDate":"2025-09-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145646546","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"管理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

System dynamics simulation for supply chain performance under maritime transport disruptions: a case study of Suez Canal blockage 海运中断下供应链绩效的系统动力学模拟：以苏伊士运河堵塞为例

IF 2.9 4区管理学

International Transactions in Operational Research Pub Date : 2025-09-07 DOI: 10.1111/itor.70097

Dengyuhui Li, Jianbin Jiao, Shouyang Wang, Guanghui Zhou, Dongning Liu

{"title":"System dynamics simulation for supply chain performance under maritime transport disruptions: a case study of Suez Canal blockage","authors":"Dengyuhui Li, Jianbin Jiao, Shouyang Wang, Guanghui Zhou, Dongning Liu","doi":"10.1111/itor.70097","DOIUrl":"10.1111/itor.70097","url":null,"abstract":"Maritime transportation is crucial for global trade and supply chain operations. However, it is vulnerable to unexpected disruptions or congestion, which affect the efficiency of supply chains. This study proposes a system dynamics-based simulation model to investigate manufacturing supply chain performance under maritime transport disruptions, where parts producers and manufacturers are most directly affected by main channel disruptions or port congestion, such as additional financial costs and reputation losses. The model includes multi-echelon supply chain, maritime transport performance, and cost evaluation subsystems, where cause and effect relations of procurement, production, inventory, sales, and shipping capacity are depicted in each subsystem. Case analysis of the Suez Canal blockage in 2021 is provided based on the system dynamics simulation, and different combinations of disruption scenarios and mitigation strategies are analyzed. Managerial insights for supply chain managers into mitigating the effects of potential maritime transport disruptions on supply chain performance are also summarized.","PeriodicalId":49176,"journal":{"name":"International Transactions in Operational Research","volume":"33 4","pages":"2190-2218"},"PeriodicalIF":2.9,"publicationDate":"2025-09-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146154836","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"管理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Branch-and-cut algorithms for the traveling salesman problem with job times 带工作时间的旅行商问题的分支割算法

IF 2.9 4区管理学

International Transactions in Operational Research Pub Date : 2025-08-28 DOI: 10.1111/itor.70092

Pablo Gutiérrez-Aguirre, Carlos Contreras-Bolton

{"title":"Branch-and-cut algorithms for the traveling salesman problem with job times","authors":"Pablo Gutiérrez-Aguirre, Carlos Contreras-Bolton","doi":"10.1111/itor.70092","DOIUrl":"https://doi.org/10.1111/itor.70092","url":null,"abstract":"The traveling salesman problem with job times (TSPJ) involves a traveler visiting a set of vertices, ensuring one visit to each of them while he initiates a job. The time of each job depends on the vertex where it is performed. Once started, the traveler moves to the next vertex, and the job continues autonomously. The aim is to minimize the maximum completion time. Since the problem is NP-hard, existing mixed-integer linear programming (MILP) models are unable to solve large instances efficiently. Therefore, this paper proposes to enhance the existing MILP model and introduces a new MILP model for the TSPJ, which incorporates valid lower and upper bounds to strengthen them. Moreover, we propose two branch-and-cut (B&C) algorithms based on the improved existing model and the new one. These algorithms integrate strengthened exponential-size formulations that explicitly incorporate subtour elimination constraints and blossom inequalities. B&C algorithms are tested on instances from the literature, comprising four sets of instances with sizes ranging from 17 to 1200 vertices. Computational results show that the proposed B&C algorithms outperform the state-of-the-art MILP models in all instances. Since no formulation achieves optimality within the given time limit for large instances, only three medium instances with up to 454 vertices have reached optimality. Consequently, we propose a fifth set of instances, ranging from 100 to 390 vertices, to further assess performance limits. B&C algorithms demonstrate improved performance with lower gap values in all instances, and faster computing times while optimally solving instances with up to 386 vertices.","PeriodicalId":49176,"journal":{"name":"International Transactions in Operational Research","volume":"33 3","pages":"1465-1497"},"PeriodicalIF":2.9,"publicationDate":"2025-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145646631","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"管理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0