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A Model of Evaluating State-owned Railway Companies' Reforms by Using Euclidean Distance and Data Envelopment Analysis 基于欧氏距离和数据包络分析的国有铁路企业改革评价模型
IF 2.3 4区 工程技术
Transportation Journal Pub Date : 2023-09-11 DOI: 10.5325/transportationj.62.3.0311
Zhoufan Wang, Ying Wang
{"title":"A Model of Evaluating State-owned Railway Companies' Reforms by Using Euclidean Distance and Data Envelopment Analysis","authors":"Zhoufan Wang, Ying Wang","doi":"10.5325/transportationj.62.3.0311","DOIUrl":"https://doi.org/10.5325/transportationj.62.3.0311","url":null,"abstract":"Abstract:The reform of state-owned railway companies is an important part of railway reforms in many countries. However, those companies' reforms are often evaluated based on experts' personal opinions or simple statistics. This article proposes a concept of Reform Index to evaluate the state-owned railway companies' reforms. The method is to create an R6 Euclidean space and measure the distance from points representing ordinary reforms to the point representing a perfect reform. The calculation of Reform Index is based on Euclidean distance and data envelopment analysis. According to the value of Reform Index, the degree of reform can be divided into five levels: very successful, successful, not obvious, failed, and completely failed. The article also uses the case of the Japanese National Railways (JNR) as an empirical study. Through the calculation of Reform Index, it not only clarifies that the degree of JNR's reform can be considered successful, but also finds the constraints to further success and proposes suggestions for improving them.","PeriodicalId":46529,"journal":{"name":"Transportation Journal","volume":null,"pages":null},"PeriodicalIF":2.3,"publicationDate":"2023-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47370956","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Managing Terminal and Transport Processes with Access Management Services 使用访问管理服务管理终端和传输进程
IF 2.3 4区 工程技术
Transportation Journal Pub Date : 2023-04-01 DOI: 10.5325/transportationj.62.2.0144
Stefan Jacobsson
{"title":"Managing Terminal and Transport Processes with Access Management Services","authors":"Stefan Jacobsson","doi":"10.5325/transportationj.62.2.0144","DOIUrl":"https://doi.org/10.5325/transportationj.62.2.0144","url":null,"abstract":"Abstract:Given the massive flows of containers that mega vessels deliver to seaport freight terminals, the terminal and transport operators face major accessibility and congestion challenges. To address those challenges, five information services, named as access management services, are identified that can mobilize interorganizational information flows to achieve effective terminal and transport processes. In those processes, previous research has examined the effects of such services only in the access phase, that is, when containers are loaded and/or unloaded, leaving out the potential effects in the pre- and post-access phases. Consequently, the purpose is to clarify how the five identified access management services can affect activities and resources for all three access phases in the terminal and transport processes. Two empirical studies were performed: a prestudy, which involved 30 observations to identify terminal and transport processes in a seaport terminal, and an improvement study, which involved eight interviews and four focus groups to explain how the processes can be managed effectively. Access management services that can exchange information in real time can perform and utilize the activities and resources in all three access phases effectively. Namely, with the services, effective loading and unloading require fewer movements, drivers, administrators, controllers and less container lifting.","PeriodicalId":46529,"journal":{"name":"Transportation Journal","volume":null,"pages":null},"PeriodicalIF":2.3,"publicationDate":"2023-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44367025","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
An On-Demand Dynamic Taxi Crowdshipping Model for Urban Parcel Delivery 城市包裹配送的按需动态出租车拥挤运输模型
IF 2.3 4区 工程技术
Transportation Journal Pub Date : 2023-04-01 DOI: 10.5325/transportationj.62.2.0177
Amirhossein Baghestani, S. Najafabadi, Mahdieh Allahviranloo
{"title":"An On-Demand Dynamic Taxi Crowdshipping Model for Urban Parcel Delivery","authors":"Amirhossein Baghestani, S. Najafabadi, Mahdieh Allahviranloo","doi":"10.5325/transportationj.62.2.0177","DOIUrl":"https://doi.org/10.5325/transportationj.62.2.0177","url":null,"abstract":"Abstract:In this article, a dynamic crowdshipping model is presented to use the vacant space of taxis to deliver parcels while serving passengers. A mixed integer linear programming (MILP) model within a rolling horizon framework that periodically updates input information is formulated. The objective function aims to maximize the number of matched trips while controlling the total travel time in the system. The developed model is tested using the taxi ridership and the household travel survey data in New York City, ensuring the credibility of the proposed model in addressing the goals of the study and its potential application to mitigate transportation externalities.","PeriodicalId":46529,"journal":{"name":"Transportation Journal","volume":null,"pages":null},"PeriodicalIF":2.3,"publicationDate":"2023-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44410038","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A Review of the Proximity Literature: Supply Chain's Missing Link 供应链缺失环节:邻近性文献综述
IF 2.3 4区 工程技术
Transportation Journal Pub Date : 2023-04-01 DOI: 10.5325/transportationj.62.2.0209
Juan David Cortes
{"title":"A Review of the Proximity Literature: Supply Chain's Missing Link","authors":"Juan David Cortes","doi":"10.5325/transportationj.62.2.0209","DOIUrl":"https://doi.org/10.5325/transportationj.62.2.0209","url":null,"abstract":"Abstract:Firms that span a wide array of locations, cultures, and industries have to interact with one another and make efforts to effectively coordinate their supply chains. This has led the concept of proximity to be increasingly important in different streams of literature. However, proximity in the context of supply chain represents an important construct that lacks a clear conceptualization and needs further research. In this paper, we contribute to the body of literature on proximity as well as that of supply chain by proposing an extension to existing proximity frameworks and incorporating a new dimension of supply chain proximity. We conduct a systematic review of supply chain and other relevant literatures, summarize key findings, and present a new multidimensional framework of proximity, inclusive of supply chain management. We discuss methodological issues, and outline research suggestions for different streams of literature.","PeriodicalId":46529,"journal":{"name":"Transportation Journal","volume":null,"pages":null},"PeriodicalIF":2.3,"publicationDate":"2023-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41518309","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Consumer Reactions to Incidents within a Retailer's Supply Chain: A Collective Reputations Perspective 零售商供应链中消费者对事件的反应:一个集体声誉的视角
IF 2.3 4区 工程技术
Transportation Journal Pub Date : 2023-04-01 DOI: 10.5325/transportationj.62.2.0101
R. Overstreet, D. Cantor, R. Laczniak
{"title":"Consumer Reactions to Incidents within a Retailer's Supply Chain: A Collective Reputations Perspective","authors":"R. Overstreet, D. Cantor, R. Laczniak","doi":"10.5325/transportationj.62.2.0101","DOIUrl":"https://doi.org/10.5325/transportationj.62.2.0101","url":null,"abstract":"Abstract:Prior research has demonstrated that a horizontal reputation commons is shared across the breadth of an industry. However, less is known about the existence of a vertical reputation commons among supply chain members. The purpose of this consumer-centric study is to examine the spillover effect of an upstream incident in the supply chain on consumer perceptions of a retailer's reputation and consumer repatronage intention. Specifically, this study explores two factors that may impact consumer perceptions: location of the incident within the retailer's supply chain and the severity of the incident. Study 1 tests the spillover effect on the retailer's reputation and repatronage intention using a two-tier supply chain and two relative extremes of severity. Study 2 examines how a retailer through messaging could dampen the spillover effect following an upstream incident. Our findings provide insight regarding when and how consumer perceptions regarding a retailer's reputation may change following an incident in the retailer's supply chain and how those perceptions can be influenced by effective messaging. Collectively, our results offer initial theoretical insights into the concept of a supply chain (vertical) reputation commons.","PeriodicalId":46529,"journal":{"name":"Transportation Journal","volume":null,"pages":null},"PeriodicalIF":2.3,"publicationDate":"2023-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46043250","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A Comparison of Three Popular Routing Policies for Lift-truck Order Picking 三种常用的叉车订单拣选路径策略的比较
IF 2.3 4区 工程技术
Transportation Journal Pub Date : 2023-01-01 DOI: 10.5325/transportationj.62.1.0079
Vitaly Brazhkin, William J. Rose
{"title":"A Comparison of Three Popular Routing Policies for Lift-truck Order Picking","authors":"Vitaly Brazhkin, William J. Rose","doi":"10.5325/transportationj.62.1.0079","DOIUrl":"https://doi.org/10.5325/transportationj.62.1.0079","url":null,"abstract":"Abstract:This study addresses order-picking routing optimization in a wide aisle of a mechanized warehouse. Efficiencies of the three popular heuristic policies (return, traversal, and Z-pick) are compared for different pick densities. A modified Z-pick policy with a flexible string length is proposed to increase its efficiency and accommodate lift-truck movement. The simulation-based results show that all three policies are not significantly different in the pick density region of 10–15 percent. The traversal policy performs better at pick densities below the region of indifference, while the return policy outperforms the others at higher pick densities. However, the Z-pick provides a viable universal alternative across all tested pick densities.","PeriodicalId":46529,"journal":{"name":"Transportation Journal","volume":null,"pages":null},"PeriodicalIF":2.3,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44974833","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Rehabilitating Locks and Dams in the Upper Mississippi Waterway Through PPP: A New Business Model 通过PPP修复密西西比河上游水道的水闸和水坝:一种新的商业模式
IF 2.3 4区 工程技术
Transportation Journal Pub Date : 2023-01-01 DOI: 10.5325/transportationj.62.1.0043
Yoshinori Suzuki
{"title":"Rehabilitating Locks and Dams in the Upper Mississippi Waterway Through PPP: A New Business Model","authors":"Yoshinori Suzuki","doi":"10.5325/transportationj.62.1.0043","DOIUrl":"https://doi.org/10.5325/transportationj.62.1.0043","url":null,"abstract":"Abstract:Many supply chains rely on barge transportation along the Upper Mississippi waterway system. However, locks and dams that enable traffic flows through the waterway system are aging and causing disruptions frequently, bringing considerable financial damages to shippers. Cost of the major system rehabilitation is estimated to be over $1 billion, and the prospects for getting such a large funding from the government are bleak. Public-private partnership (PPP) based on the conventional business model that requires collecting end-user fees to provide revenue to the participating private firms has been proposed, but not implemented due to the regulatory barriers that forbid the collection of user fees. This study proposes a new PPP business model that does not require collecting user fees. This model seeks to attract funding from shippers in exchange for reducing their financial losses due to frequent system disruptions. We describe the model concept and examine its effectiveness by performing a series of analyses that combine analytical, econometric, and simulation techniques. Results show that the proposed model is not only viable, but also financially attractive to shippers if the invested amount is optimal, allowing them to reduce supply chain disruptions considerably while also achieving sizable investment returns.","PeriodicalId":46529,"journal":{"name":"Transportation Journal","volume":null,"pages":null},"PeriodicalIF":2.3,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42876734","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Collaboration in Publication: Can We Practice What We Preach? 出版合作:我们能言行一致吗?
IF 2.3 4区 工程技术
Transportation Journal Pub Date : 2023-01-01 DOI: 10.5325/transportationj.62.1.0001
Y. Jin, David Swanson, Bryan Ashenbaum
{"title":"Collaboration in Publication: Can We Practice What We Preach?","authors":"Y. Jin, David Swanson, Bryan Ashenbaum","doi":"10.5325/transportationj.62.1.0001","DOIUrl":"https://doi.org/10.5325/transportationj.62.1.0001","url":null,"abstract":"Abstract:As editors it is our intent to continually improve the quality of both published articles for our readers and reviews received by our authors here at Transportation Journal. With that purpose in mind, this article seeks to draw parallels between the editorial review process and supply chain collaboration, helping us practice what we teach. Importantly, the review process is intended to co-create value among authors and reviewers under the guidance of the editors. While Transportation Journal already has a core group of scholars who excel in both roles as authors and reviewers, our goal is for this editorial to serve as a guide for our extended network of contributors to adopt an enhanced, collaborative approach. In doing so, we believe that the intended results will ultimately lead us toward production process that is at an even higher quality to generate even greater value for the community.","PeriodicalId":46529,"journal":{"name":"Transportation Journal","volume":null,"pages":null},"PeriodicalIF":2.3,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44557106","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A Modernized Framework for Transportation Decision-Making in a Hyper-Integrated Global Supply Chain Environment 高度整合的全球供应链环境下的现代化交通决策框架
IF 2.3 4区 工程技术
Transportation Journal Pub Date : 2023-01-01 DOI: 10.5325/transportationj.62.1.0016
Thomas J. Goldsby, Thu Trang Hoang, T. Stank, J. E. Bell
{"title":"A Modernized Framework for Transportation Decision-Making in a Hyper-Integrated Global Supply Chain Environment","authors":"Thomas J. Goldsby, Thu Trang Hoang, T. Stank, J. E. Bell","doi":"10.5325/transportationj.62.1.0016","DOIUrl":"https://doi.org/10.5325/transportationj.62.1.0016","url":null,"abstract":"Abstract:At the turn of the century, firms struggled to make transportation decisions in increasingly integrated supply chains that routinely stretched around the world. In \"A Framework for Transportation Decision Making in an Integrated Supply Chain\" (Supply Chain Management: An International Journal 5 [2]: 71–77) T. P. Stank and T. J. Goldsby proposed an original transportation decision-making framework to address the need. The framework is cited over 250 times in the academic literature and referenced by firms seeking to optimize cost-service tradeoffs in an environment characterized by higher levels of market freedoms, service innovation, and supply chain collaboration. Since the year 2000, though, the digital revolution, customer expectations, and supply chain resilience concerns have given rise to new demands for transportation decision-making, with operations residing in a hyper-integrated and further globally entrenched state. Therefore, we revisit Stank and Goldsby's original framework to review major transportation decision areas and devise contemporary mechanisms to address the modern business environment. Our framework highlights the rapid and interdependent nature of today's corporate transportation decisions to help firms tackle current business needs and long-term strategic interests. We also seek to illuminate prospective avenues for research endeavor.","PeriodicalId":46529,"journal":{"name":"Transportation Journal","volume":null,"pages":null},"PeriodicalIF":2.3,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70918945","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Antecedents of Spot and Contract Freight Mix in the Truckload Sector 卡车运输行业现货和合同货运组合的先决条件
IF 2.3 4区 工程技术
Transportation Journal Pub Date : 2022-11-21 DOI: 10.5325/transportationj.61.4.0331
Ming Li, Yemisi Bolumole, Jason W. Miller
{"title":"Antecedents of Spot and Contract Freight Mix in the Truckload Sector","authors":"Ming Li, Yemisi Bolumole, Jason W. Miller","doi":"10.5325/transportationj.61.4.0331","DOIUrl":"https://doi.org/10.5325/transportationj.61.4.0331","url":null,"abstract":"Abstract:Truckload carriers face tradeoffs in their effort to build their freight networks from combinations of spot market and contract shipments. These tradeoffs exist because contract freight provides loose volume guarantees but lower linehaul rates, whereas spot freight commands higher linehaul rates while being more stochastic in nature. The issue of carriers’ mix of spot market and contract freight, while of utmost importance in practice, has received limited theoretical and empirical attention. Drawing on dynamic transaction cost theory, we develop middle-range theory that explains why carrier traits such as size and use of team drivers as well as characteristics of the freight markets in which they are embedded impact carriers’ reliance on spot market instead of contract freight. To test our theory, we rely on archival survey data collected by CarrierLists, a firm that specializes in compiling and disseminating motor-carrier information. Our econometric estimates corroborate our theory and remain after robustness testing. Apart from extending theory regarding dynamic transaction costs, our findings have important implications for carriers, brokers, and shippers.","PeriodicalId":46529,"journal":{"name":"Transportation Journal","volume":null,"pages":null},"PeriodicalIF":2.3,"publicationDate":"2022-11-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44890573","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
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