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Social media and CSR communication in European ports: the case of Twitter at the Port of Rotterdam 欧洲港口的社交媒体和企业社会责任传播:鹿特丹港的推特案例
IF 3 Q3 BUSINESS Pub Date : 2021-11-30 DOI: 10.1108/mabr-03-2021-0020
F. Vitellaro, G. Satta, F. Parola, N. Buratti
PurposeThe research objective of the paper is twofold. First, it scrutinises the current state of the art concerning adopting the most popular social media by European port managing bodies (PMBs). Second, it investigates the use of social media in the corporate social responsibility (CSR) communication strategies of European PMBs.Design/methodology/approachThe paper carries out online field research on the use of social media by the top-25 European ports. Then, it provides an in-depth case study of the use of Twitter by the Port of Rotterdam for CSR communication. Finally, a content analysis of the tweets published in the 2017–2019 timeframe is performed.FindingsEmpirical results demonstrate the extensive use of social media by European PMBs to reach a wider array of stakeholders. Uneven approaches emerge considering port sizes and cultural clusters. The content analysis shows that one-third of tweets published by the Twitter account of the Port of Rotterdam address CSR issues, especially green initiatives, advocating the use of social media to communicate CSR.Research limitations/implicationsThe study focuses on the European domain. A broader sample of ports worldwide should be examined to further investigate the drivers affecting PMBs' strategic adoption and use of social media, mainly to communicate CSR.Practical implicationsThe paper provides port managers with insights to strengthen CSR communication. Given the increasing pressure of the public opinion on environmental and social issues, the ability of European PMBs to communicate their CSR commitment through social media represents a key driver when searching for consensus of stakeholders and “licence to operate”.Originality/valueThe paper adds to the existing maritime logistics literature by introducing a promising field of research.
本文的研究目的是双重的。首先,它审查了欧洲港口管理机构(pmb)采用最流行的社交媒体的现状。其次,研究了欧洲PMBs在企业社会责任(CSR)传播策略中使用社交媒体的情况。设计/方法/方法本文对欧洲排名前25位的港口的社交媒体使用情况进行了在线实地调查。然后,对鹿特丹港利用Twitter进行企业社会责任传播进行了深入的案例研究。最后,对2017-2019年期间发布的推文进行内容分析。实证结果表明,欧洲PMBs广泛使用社交媒体来接触更广泛的利益相关者。考虑到端口大小和文化集群,会出现不均衡的方法。内容分析显示,鹿特丹港Twitter账号发布的推文中有三分之一涉及企业社会责任问题,尤其是绿色倡议,倡导利用社交媒体传播企业社会责任。研究局限/启示本研究主要集中在欧洲领域。应该对全球范围内的更广泛的港口样本进行研究,以进一步调查影响PMBs战略采用和使用社交媒体的驱动因素,主要是为了传达企业社会责任。本文为港口管理者加强企业社会责任沟通提供了启示。鉴于公众在环境和社会问题上的舆论压力越来越大,欧洲PMBs通过社交媒体传达其企业社会责任承诺的能力是寻求利益相关者共识和“经营许可证”的关键驱动因素。本文通过介绍一个有前景的研究领域,对现有的海上物流文献进行了补充。
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引用次数: 3
Optimising truck arrival management and number of service gates at container terminals 优化卡车到达管理和集装箱码头服务门数量
IF 3 Q3 BUSINESS Pub Date : 2021-11-26 DOI: 10.1108/mabr-08-2021-0060
C. C. Minh, N. Noi
PurposeTruck appointment systems have been applied in critical container ports in the United States due to their potential to improve handling operations. This paper aims to develop a truck appointment system to optimise the total cost experiencing at the entrance of container terminals by managing truck arrivals and the number of service gates satisfying a given level of service.Design/methodology/approachThe approximation of Mt/G/nt queuing model is applied and integrated into a cost optimisation model to identify (1) the number of arrival trucks allowed at each time slot and (2) the number of service gates operating at each time slot that ensure the average waiting time is less than a designated time threshold. The optimisation model is solved by the Genetic Algorithm and tested with a case study. Its effectiveness is identified by comparing the model's outcomes with observed data and other recent studies.FindingsThe results indicate that the developed truck appointment system can provide more than threefold and twofold reductions of the total cost experiencing at the terminal entrance compared to the actual data and results from previous research, respectively.Originality/valueThe proposed approach provides applicably coordinated truck plans and operating service gates efficiently to decrease congestion, emission and expenses.
目的卡车预约系统已应用于美国的关键集装箱港口,因为它们有可能改善处理操作。本文旨在开发一个卡车预约系统,通过管理卡车到达和满足给定服务水平的服务门的数量来优化集装箱码头入口处的总成本体验。设计/方法/方法采用Mt/G/nt的近似排队模型,并将其整合到成本优化模型中,以确定(1)每个时点允许到达的卡车数量,以及(2)每个时点运行的服务门数量,以确保平均等待时间少于指定的时间阈值。采用遗传算法对优化模型进行求解,并通过实例进行了验证。通过将模型结果与观测数据和其他近期研究进行比较,可以确定其有效性。结果表明,与之前的研究结果和实际数据相比,开发的卡车预约系统可以将终端入口的总成本分别降低三倍和两倍以上。独创性/价值提出的方法提供适用的协调卡车计划和运营服务门,有效地减少拥堵,排放和费用。
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引用次数: 4
Uncovering the impact of COVID-19 on shipping and logistics 揭示新冠肺炎对航运和物流的影响
IF 3 Q3 BUSINESS Pub Date : 2021-10-25 DOI: 10.1108/mabr-03-2021-0018
Enna Hirata, Takuma Matsuda
PurposeThis research aims to uncover coronavirus disease 2019’s (COVID-19's) impact on shipping and logistics using Internet articles as the source.Design/methodology/approachThis research applies web mining to collect information on COVID-19's impact on shipping and logistics from Internet articles. The information extracted is then analyzed through machine learning algorithms for useful insights.FindingsThe research results indicate that the recovery of the global supply chain in China could potentially drive the global supply chain to return to normalcy. In addition, researchers and policymakers should prioritize two aspects: (1) Ease of cross-border trade and logistics. Digitization of the supply chain and applying breakthrough technologies like blockchain and IoT are needed more than ever before. (2) Supply chain resilience. The high dependency of the global supply chain on China sounds like an alarm of supply chain resilience. It calls for a framework to increase global supply chain resilience that enables quick recovery from disruptions in the long term.Originality/valueDiffering from other studies taking the natural language processing (NLP) approach, this research uses Internet articles as the data source. The findings reveal significant components of COVID-19's impact on shipping and logistics, highlighting crucial agendas for scholars to research.
目的本研究旨在以互联网文章为来源,揭示2019冠状病毒病(新冠肺炎)对航运和物流的影响。设计/方法论/方法本研究应用网络挖掘从互联网文章中收集关于新冠肺炎对航运和物流的影响的信息。然后通过机器学习算法对提取的信息进行分析,以获得有用的见解。研究结果表明,中国全球供应链的复苏可能会推动全球供应链恢复正常。此外,研究人员和政策制定者应优先考虑两个方面:(1)跨境贸易和物流的便利性。供应链数字化和应用区块链和物联网等突破性技术比以往任何时候都更需要。(2) 供应链弹性。全球供应链对中国的高度依赖听起来像是供应链韧性的警钟。它呼吁建立一个提高全球供应链弹性的框架,使其能够从长期中断中快速恢复。原创性/价值与其他采用自然语言处理(NLP)方法的研究不同,本研究使用互联网文章作为数据来源。研究结果揭示了新冠肺炎对航运和物流影响的重要组成部分,突出了学者研究的重要议程。
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引用次数: 5
A BPM-based framework for the impact assessment of blockchain to the midstream LNG supply chain 基于BPM的区块链对中游液化天然气供应链影响评估框架
IF 3 Q3 BUSINESS Pub Date : 2021-10-12 DOI: 10.1108/mabr-03-2021-0023
D. Lyridis, George Andreadis, C. Papaleonidas, Violetta Tsiampa
PurposeThe current study addresses how blockchain can deal with the challenges that the midstream liquefied natural gas (LNG) supply chain poses combined from a management standpoint. Such challenges are: the volume of transactions, communication hurdles and the lack of contemporary management tools. The paper proposes a comprehensive framework to assess the impact of blockchain implementation in the midstream LNG supply chain in order to tackle those barriers.Design/methodology/approachThe basis of the research is the business process modelling (BPM), through which entities, roles, tasks, resources and transactions can be modelled and simulated. The modelling of the midstream LNG supply chain, via BPM, is based on guidelines of the Society of International Gas Tanker and Terminal Operators (SIGGTO) and common industry business models. A quantitative analysis is employed to support the motivation and the potential impact of blockchain implementation. The methodology is used to identify (1) inefficiencies related to large volume of transactions between stakeholders and (2) critical areas of an LNG shipping company, where blockchain can be implemented.FindingsProcess repeatability, numerous shared documentation forms, excessive paperwork and communication imbroglios are mapped from the modelling section. Up to 327 processes are repeated during a typical vessel voyage, and up to 122 shared documentation forms are exchanged. Excessive paperwork and communication imbroglios are tracked through, which correspond to 25 severe errors as detected. By implementing the methodology, stakeholders can quantify the possible impact of blockchain on the operational performance of each stakeholder's operations separately and the supply chain as a whole in terms of real-time monitoring, transparency and paperwork reduction, time and cost savings.Research limitations/implicationsThe research has certain limitations deriving from its conceptual nature. The business processes' modelling is based on standard procedures described in the guidelines by SIGGTO and may need further adjustment for specific use cases. A structured case study has not been realisable as corporate data for an LNG shipping company regarding processes and other commercial sensitive information are required.Practical implicationsPotential practitioners may exploit the proposed framework as a low cost and seamless tool to evaluate how blockchain could disrupt their operations. Thus, the blockchain implementation's improvements or weaknesses can be pinpointed, and enabling the interested stakeholder of the LNG supply chain with specific feedback, it can guide them towards informed decisions on their operations.Originality/valueThe research has a novel approach as it combines the creation of practical management framework, with a comprehensive visualization of the midstream LNG supply chain. Thus, the reader can identify in which parts of the midstream LNG supply chain can blockchain be implemented, a
目的当前的研究从管理的角度探讨了区块链如何应对中游液化天然气供应链带来的挑战。这些挑战包括:交易量、沟通障碍和缺乏现代管理工具。本文提出了一个全面的框架来评估区块链在中游液化天然气供应链中的实施影响,以解决这些障碍。设计/方法论/方法研究的基础是业务流程建模(BPM),通过它可以对实体、角色、任务、资源和事务进行建模和模拟。通过BPM对中游液化天然气供应链进行建模是基于国际天然气油轮和码头运营商协会(SIGGTO)的指导方针和常见的行业商业模式。采用定量分析来支持区块链实施的动机和潜在影响。该方法用于识别(1)与利益相关者之间的大量交易相关的低效率,以及(2)液化天然气运输公司的关键领域,在这些领域可以实施区块链。发现过程的可重复性、大量的共享文档表格、过多的文书工作和沟通混乱都是从建模部分映射出来的。在一次典型的船舶航行中,多达327个过程被重复,多达122个共享文件表格被交换。对过多的文书工作和沟通混乱进行了跟踪,这相当于检测到的25个严重错误。通过实施该方法,利益相关者可以量化区块链对每个利益相关者单独运营和整个供应链的运营绩效的可能影响,包括实时监控、透明度和文书工作减少、时间和成本节约。研究的局限性/含义这项研究由于其概念性质而有一定的局限性。业务流程的建模基于SIGGTO指南中描述的标准程序,可能需要针对特定用例进行进一步调整。由于液化天然气运输公司需要有关流程和其他商业敏感信息的公司数据,因此无法实现结构化的案例研究。实际含义潜在的从业者可以利用所提出的框架作为一种低成本和无缝的工具来评估区块链如何扰乱他们的运营。因此,区块链实施的改进或弱点可以被准确定位,并使液化天然气供应链的利益相关者能够获得具体的反馈,从而指导他们做出明智的运营决策。独创性/价值该研究采用了一种新颖的方法,将创建实用的管理框架与中游液化天然气供应链的全面可视化相结合。因此,读者可以确定区块链可以在中游液化天然气供应链的哪些部分实施,以及它可能对供应链运营产生什么影响。
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引用次数: 2
Spectral analysis of the dry bulk shipping market by utilizing the system dynamics approach 利用系统动力学方法对干散货航运市场进行频谱分析
IF 3 Q3 BUSINESS Pub Date : 2021-10-11 DOI: 10.1108/mabr-02-2021-0014
Jun-Pyo Jeon, Emrah Gulay, O. Duru
PurposeThis research analyzes the cycle of the dry bulk shipping market (DBSM) as a representative of spot and period charter rates in dry bulk shipping to develop strategies for investment timing (i.e. asset play) and fleet trading (chartering strategy).Design/methodology/approachSpectral analysis is a numerical approach to extract significant cyclicality, which may be utilized to develop trading strategies. Instead of working with a single dataset (univariate), a system approach can be utilized to observe a significant shipping market cycle in its multi-variate circumstance. In this paper, a system dynamics design is employed to extract cyclicality in the DBSM in its particular industrial environment. The system dynamic design has competitive forecasting accuracy relative to univariate time series models and artificial neural networks (ANNs) in terms of forecasting outcomes.FindingsThe results show that the system dynamic design has a better forecasting performance according to three evaluation metrics, mean absolute scale error (MASE), root mean square error (RMSE) and mean absolute percentage error (MAPE).Originality/valueCyclical analysis is a significantly useful instrument for shipping asset management, particularly in market entry–exit operations. This paper investigated the cyclical nature of the dry bulk shipping business and estimated significant business cycle periodicity at around 4.5-year frequency (i.e. the Kitchin cycle).
目的本研究分析了干散货航运市场(DBSM)的周期,作为干散货航运中即期和定期租船费率的代表,以制定投资时机(即资产配置)和船队交易(租船策略)的策略。设计/方法论/方法谱分析是一种提取显著周期性的数值方法,其可用于制定交易策略。可以使用系统方法来观察多变量环境中的重要航运市场周期,而不是使用单个数据集(单变量)。本文采用系统动力学设计来提取DBSM在其特定工业环境中的循环性。在预测结果方面,系统动态设计相对于单变量时间序列模型和人工神经网络(Ann)具有竞争性的预测精度。结果表明,根据平均绝对标度误差(MASE)、均方根误差(RMSE)和平均绝对百分比误差(MAPE)这三个评估指标,系统动态设计具有更好的预测性能。原创性/价值周期性分析是航运资产管理的一个非常有用的工具,尤其是在市场进入-退出操作中。本文调查了干散货航运业务的周期性,并估计了4.5年左右的显著商业周期周期(即基钦周期)。
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引用次数: 1
A port's technologies for autonomous ships in restricted waters 港口在限制水域的自主船舶技术
IF 3 Q3 BUSINESS Pub Date : 2021-10-06 DOI: 10.1108/mabr-04-2021-0028
H. T. Sinohara, E. Tannuri
PurposeThis work analyses autonomous ships' specific needs of external and environmental information in restricted pilotage waters. Harbour pilots use conventional well-tested techniques when piloting the manned vessel. In this work, the authors propose technological solutions to be installed or adapted in ports to feed the autonomous ships' systems with the information considered relevant by pilots.Design/methodology/approachTo investigate what pilots consider relevant, the authors submitted a questionnaire to the pilotage of Paranaguá Port. Then the authors presented a case study including the critical areas for the navigation of ships.FindingsThese technological solutions aim to allow vessels reaching critical areas in a position, a time, a speed and a course that compensates the external forces and/or avoid high-risk situations. The authors have proposed technological solutions considering those already available in the ports, particularly in Paranaguá and Antonina in Brazil.Originality/valueThere is little published data on navigation of ships in pilotage waters. So far, there has been little discussion on autonomous ships in restricted waters.
目的分析自主船舶在受限引航水域对外部和环境信息的特殊需求。港口驾驶员在驾驶有人驾驶的船只时使用传统的经过良好测试的技术。在这项工作中,作者提出了在港口安装或调整的技术解决方案,以向自主船舶系统提供飞行员认为相关的信息。设计/方法/方法为了调查飞行员认为相关的内容,作者向巴拉那瓜港的领航员提交了一份问卷。然后,作者提交了一个案例研究,包括船舶航行的关键区域。发现这些技术解决方案旨在使船只以补偿外力和/或避免高风险情况的位置、时间、速度和路线到达关键区域。作者提出了考虑到港口已经可用的技术解决方案,特别是在巴西的巴拉那瓜和安东尼纳。原创性/价值关于船舶在引航水域的航行,几乎没有公布的数据。到目前为止,关于限制水域内的自主船只的讨论很少。
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引用次数: 1
The effects of institutional pressures on shipping digital transformation in Taiwan 制度压力对台湾航运数字化转型的影响
IF 3 Q3 BUSINESS Pub Date : 2021-09-16 DOI: 10.1108/mabr-04-2021-0030
H. Kuo, Tse-Lu Chen, Chung-Shan Yang
PurposeThe purpose of this study is to empirically evaluate the impact of coercive pressure, normative pressure and mimetic pressure on digital transformation and benefits in the maritime shipping context.Design/methodology/approachThe authors collect data from a survey of 119 shipping companies, shipping agencies, port corporations and shipping forwarders in Taiwan and apply a structural equation model to test the research hypotheses.FindingsFour conclusions can be drawn: First, digital transformation mainly results from coercive pressure and mimetic pressure. Second, another positive and important source of pressure for shipping digital transformation is the fact that competitors are gradually undergoing digital transformation and have gained recognition from customers. Third, shipping professional organizations and association (e.g. IACS, IAPH, Baltic International Maritime Commission) must keep up with the trend toward digital transformation and put forward guidelines and recommendations that can be followed in order to lead the maritime shipping industry. Fourth, digital transformation has great potential to help deliver the benefits (i.e. improve efficiency, relationship with customers and sustainability).Originality/valueThis research explores the digital transformation of the shipping industry through the lens of institutional theory. The results show that digital transformation is mainly due to coercive pressure and mimetic pressure. Digital transformation has been found to bring benefits that can help shipping operators allocate their resources effectively, thereby increasing operational efficiency, improving relationships with customers and enhancing sustainability.
目的本研究的目的是实证评估强制压力、规范压力和模仿压力对海运环境下数字化转型和效益的影响。设计/方法/方法作者从台湾119家船运公司、船运代理、港口公司和船运代理的调查中收集数据,并应用结构方程模型来检验研究假设。研究结果表明:第一,数字化转型主要源于强制压力和模仿压力。其次,航运数字化转型的另一个积极而重要的压力来源是竞争对手正在逐步进行数字化转型,并获得了客户的认可。第三,航运专业组织和协会(如IACS、IAPH、波罗的海国际海事委员会)必须跟上数字化转型的趋势,并提出可以遵循的指导方针和建议,以领导海运业。第四,数字化转型具有巨大的潜力,有助于实现效益(即提高效率、与客户的关系和可持续性)。原创性/价值本研究通过制度理论的视角探讨了航运业的数字化转型。结果表明,数字化转型主要是由于胁迫压力和模仿压力。人们发现,数字化转型带来的好处可以帮助航运运营商有效分配资源,从而提高运营效率,改善与客户的关系,增强可持续性。
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引用次数: 9
Examining the opportunities and challenges of the Kra Canal: a PESTELE/SWOT analysis 考察克拉运河的机遇和挑战:PESTTELE/SWOT分析
IF 3 Q3 BUSINESS Pub Date : 2021-08-17 DOI: 10.1108/mabr-02-2021-0011
P. Tseng, Nick Pilcher
PurposeMuch literature considers future impacts of the Kra Canal on shipping times and on individual countries. In this paper, the authors consider the maritime business potential of the Kra Canal for companies, ports and countries.Design/methodology/approachBased on a combination of a review of the extant literature, quantitative data from relevant calculations and qualitative data from semi-structured interviews with experts (n = 20) from four countries in the region, this paper contextualises the business potential of the Kra Canal through a PESTELE (political, economic, social, technological, environmental, legal and ethical) analysis before outlining a more targeted SWOT (strengths weaknesses, opportunities and threats) analysis to consider the potential for maritime business.FindingsThe PESTELE analysis reveals that there are a number of challenges related to the construction and possibility of the Kra Canal being built such as its impact on the political balance within the Association of South East Asian Nations (ASEAN) region. The SWOT analysis shows that the potential of the Kra Canal for maritime business is significant, and that the strengths and opportunities of increased route possibilities and reduced sailing times outweigh any weaknesses and threats.Originality/valueMost studies into the Kra Canal focus on highly specific research targets or provide a particular perspective (e.g. historical). This paper, by drawing on two commonly used analytical frameworks, considers the canal for the first time from a wider context perspective as well as a specifically business one. Recommendations are made for policy makers and maritime businesses on the basis of the results.
目的许多文献考虑了克拉运河对航运时间和个别国家的未来影响。在本文中,作者考虑了克拉运河对公司、港口和国家的海事业务潜力。设计/方法/方法基于对现有文献的回顾、相关计算的定量数据和对该地区四个国家的专家(n=20)进行的半结构化访谈的定性数据,本文通过PESTELE(政治、经济、社会、技术、环境、法律和道德)分析,对克拉运河的商业潜力进行了背景分析,然后概述了更有针对性的SWOT(优势、劣势、机会和威胁)分析,以考虑海运业务的潜力。发现PESTELE的分析表明,克拉运河的建设和建设可能性存在许多挑战,例如它对东南亚国家联盟(东盟)地区政治平衡的影响。SWOT分析表明,克拉运河对海事业务的潜力是巨大的,增加航线可能性和缩短航行时间的优势和机会超过了任何弱点和威胁。原创性/价值大多数对克拉运河的研究都侧重于高度具体的研究目标或提供特定的视角(例如历史)。本文借鉴了两个常用的分析框架,首次从更广泛的背景和具体的商业角度来考虑运河。根据研究结果向决策者和海事企业提出了建议。
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引用次数: 1
Energy strategies of China and their impacts on energy shipping import through the Straits of Malacca and Singapore 中国能源战略及其对马六甲海峡和新加坡能源航运进口的影响
IF 3 Q3 BUSINESS Pub Date : 2021-08-04 DOI: 10.1108/mabr-12-2020-0070
Yuwei Yin, J. Lam
PurposeThis study aims at investigating how energy strategies of China impact its energy shipping import through a strategic maritime link, the Straits of Malacca and Singapore (SOMS).Design/methodology/approachVector error-correction modelling (VECM) is applied to examine the key energy strategies of China influencing crude oil and liquefied natural gas (LNG) shipping import via the SOMS. Strategies investigated include oil storage expansions, government-setting targets to motivate domestic gas production, pipeline projects to diversify natural gas import routes and commercial strategies to ensure oil and gas accessibility and cost-effectiveness.FindingsFor the crude oil sector, building up oil storage and diversifying oil import means, routes and sources were found effective to mitigate impacts of consumption surges and price shocks. For the LNG sector, domestic production expansion effectively reduces LNG import. However, pipeline gas import growth is inefficient to relieve LNG shipping import dependency. Furthermore, energy companies have limited flexibility to adjust LNG shipping import volumes via the SOMS even under increased import prices and transport costs.Practical implicationsAs the natural gas demand of China continues expanding, utilisation rates of existing pipeline networks need to be enhanced. Besides, domestic production expansion and diversification of LNG import sources and means are crucial.Originality/valueThis study is among the first in the literature using a quantitative approach to investigate how energy strategies implemented in a nation impact its energy shipping volumes via the SOMS, which is one of the most important maritime links that support 40% of the global trades.
目的本研究旨在探讨中国的能源战略如何通过马六甲海峡和新加坡海峡(SOMS)这一战略性海上通道影响其能源运输进口。设计/方法/途径矢量误差校正模型(VECM)用于检验中国通过SOMS影响原油和液化天然气运输进口的关键能源战略。调查的战略包括扩大石油储存、政府制定目标以激励国内天然气生产、管道项目以使天然气进口路线多样化,以及商业战略以确保石油和天然气的可及性和成本效益。发现对于原油行业,建立石油储存并使石油进口手段、路线和来源多样化,可以有效缓解消费激增和价格冲击的影响。对于液化天然气行业而言,国内生产扩张有效减少了液化天然气进口。然而,管道天然气进口增长在缓解液化天然气运输进口依赖方面效率低下。此外,即使在进口价格和运输成本增加的情况下,能源公司通过SOMS调整液化天然气运输进口量的灵活性也有限。实际意义随着中国天然气需求的不断扩大,现有管网的利用率需要提高。此外,扩大国内生产以及液化天然气进口来源和手段的多样化至关重要。独创性/价值这项研究是文献中首次使用定量方法调查一个国家实施的能源战略如何通过SOMS影响其能源运输量的研究之一,SOMS是支持全球40%贸易的最重要的海运环节之一。
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引用次数: 5
The interrelationship between ocean, rail, truck and air freight rates 海运、铁路、卡车和航空运费之间的相互关系
IF 3 Q3 BUSINESS Pub Date : 2021-06-29 DOI: 10.1108/mabr-08-2020-0047
J. Shackman, Quinton Dai, Baxter Schumacher-Dowell, Joshua Tobin
PurposeThe purpose of this paper is to examine the long-term cointegrating relationship between ocean, rail, truck and air cargo freight rates, as well as the short-term dynamics between these four series. The authors also test the predictive ability of these freight rates on major economic indicators.Design/methodology/approachThe authors employ a vector error-correction model using 16 years of monthly time series data on freight rate data in the ocean, truck, rail and air cargo sectors to examine the interrelationship between these series as well as their interrelationship with major economic indicators.FindingsThe authors find that truck freight rates and as well as dry bulk freight rates have the strongest predictive power over other transportation freight rates as well as for the four major economic indicators used in this study. The authors find that dry bulk freight rates lead other freight rates in the short-run but lag other freight rates in the long run.Originality/valueWhile ocean freight rate time series have been examined in a large number of studies, little research has been done on the interrelationship between ocean freight rates and the freight rates of other modes of transportation. Through the use of data on five different freight rate series, the authors are able to assess which rates lead and which rates lag each other and thus assist future researchers and practitioners forecast freight rates. The authors are also one of the few studies to assess the predictive power of non-ocean freight rates on major economic indicators.
目的研究海运、铁路、卡车和航空货运费率之间的长期协整关系,以及这四个系列之间的短期动态。作者还测试了这些运费对主要经济指标的预测能力。设计/方法/方法作者使用矢量误差校正模型,使用16年来海洋、卡车、铁路和航空货运部门运费数据的月度时间序列数据,来检验这些序列之间的相互关系以及它们与主要经济指标的相互关系。研究结果作者发现,卡车运费和干散货运费比其他运输运费以及本研究中使用的四个主要经济指标具有最强的预测力。作者发现,干散货运费在短期内领先于其他运费,但在长期内落后于其他运费。原创性/价值尽管在大量研究中对海运费率时间序列进行了研究,但对海运费率与其他运输方式的运费之间的相互关系研究很少。通过使用五个不同运价系列的数据,作者能够评估哪些运价领先,哪些运价落后,从而帮助未来的研究人员和从业者预测运价。作者也是为数不多的评估非海运费率对主要经济指标预测能力的研究之一。
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引用次数: 2
期刊
Maritime Business Review
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