Patterns of maritime supply chains: slot capacity analysis

This paper offers a tool for analysing patterns of maritime supply chains. The study uses empirical data on slot capacity deployed by container shipping lines for analysing ports (as nodes) and routes and shipping lines (as links) that are embedded within the maritime supply chain. The ports of Singapore and Hong Kong are chosen to illustrate the respective transhipment and gateway perspectives. Findings reveal that geographical location and changes in the constitution of players can have reverberations on the maritime supply chain dynamics that traverse the port. Furthermore, evidence from trade route data also shows that maritime supply chain dynamics associated with transhipment and gateway ports could be governed by different levels of scope economies, demand complementarity and market power. The paper illustrates the abundant potential of slot capacity analysis for academic and industry/market research. Thus, future research can be pursued in various contexts and for different applications.     

Spatial competition and complementarity in European port regions

The purpose of this study is to investigate whether inter-port relationships in European container shipping are characterized primarily by competition or complementarity, and to what extent this differs between major port regions. Utilizing a set of spatial dependence model specifications and quarterly container throughput data for 92 European ports in five regions between 2000 and 2014, it is found that the nature of inter-port relationships tend to differ between major port regions. While the Hamburg-Le Havre region is characterized mostly by competition, ports in the Mediterranean region are found to be complementary with regard to demand.     

Urban gravity in the global container shipping network

While the spatial and functional relationships between ports and cities have been put in question in the last decades, the continued importance of urbanization and maritime transport in global socio-economic development motivates deeper research on their interaction. The global trade network is often studied at the country level and all transport modes included, concluding that distance remains a strong counterforce to exchange. This article wishes to detect whether the global container shipping network obeys similar properties at the city level. More than 2 million inter-port vessel movements between 1977 and 2016 are assigned to about 9000 ports and 4600 cities to run a gravity model on two different network topologies. Gravitational properties are found, as larger cities connect more with each other but less at distance. The degree of distance effects negatively expanded in 40 years, confirming the “puzzling” or reinforcing effect of distance, yet it varies greatly depending on node aggregation and network topology. We conclude that ports and cities continue to share important interdependencies, but these often rest on a detrimental physical transformation. A discussion is proposed about the underlying operational and theoretical mechanisms at stake. Keywords container shipping; gravity model; maritime trade; port cities; spatial interaction; world city networks.     

Levels of internationalization in the container shipping industry: an assessment of the port networks of the large container shipping companies

This paper examines the internationalization level of the world’s largest container shipping companies by examining their port networks. The results of our analysis show that only three of the nineteen companies could be considered as being truly ‘International’ and service the ‘lion’s share’ of the major and minor ports distributed across the globe. The port networks of the other companies in our survey, whilst having individualized features, shared common characteristics. Guided by the ‘Uppsala Model of Incremental Internationalization’ (Johanson and Vahlne, 1977), we were able to identify four internationalization levels of a container shipping company that are indicated by their port network.We argue that the port network plays an additional role as it contributes to the internationalization level of the container shipping companies. This is important because the internationalization level affects the container shipping company’s ability to expand its customer base both at a local and international level. Local customers would have access to a larger international destination network and international customers would be able access a larger local distribution network without transhipping between different companies.Amongst other issues, we were able to determine that, for the analyzed container shipping companies, ‘Internationalization’ of a port network means including or excluding ports in specific regions or sub-regions in their own network, and that a company’s home base or history plays a significant role in this development.     

Port connectivity in a logistic network: The case of Bohai Bay,China

While traditional port literature uses origin and destination pairs in global shipping networks, recent developments of dry ports in the hinterland, feeder service networks, and heavy foreign trade traffic make the ports in Bohai Bay a unique case in the analysis of inter-port connectivity and competitiveness. Using an integrated port connectivity index to define the above features, the advantages and challenges of individual ports can be assessed in a dynamic interconnected environment. The model can provide unbiased port development strategies for each port to ensure long-term sustainability.     

A strategic network choice model for global container flows: specification, estimation and application

Container flows have been booming for decades. Expectations for the 21st century are less certain due to changes in climate and energy policy, increasing congestion and increased mobility of production factors. This paper presents a strategic model for the movement of containers on a global scale in order to analyse possible shifts in future container transport demand and the impacts of transport policies thereon. The model predicts yearly container flows over the world’s shipping routes and passing through 437 container ports around the world, based on trade information to and from all countries, taking into account more than 800 maritime container liner services. The model includes import, export and transhipment flows of containers at ports, as well as hinterland flows. The model was calibrated against observed data and is able to reproduce port throughput statistics rather accurately. The paper also introduces a scenario analysis to understand the impact of future, uncertain developments in container flows on port throughput. The scenarios include the effects of slow steaming, an increase in land based shipping costs and an increased use of large scale infrastructures such as the Trans-Siberian rail line and the opening of Arctic shipping routes. These scenarios provide an indication of the uncertainty on the expected port throughputs, with a particular focus on the port of Rotterdam in the Netherlands.     

Liner ship fleet deployment with container transshipment operations

This paper proposes a liner ship fleet deployment (LSFD) problem with container transshipment operations. The proposed problem is formulated as a mixed-integer linear programming model which allows container transshipment operations at any port, any number of times, without explicitly defining the container transshipment variables. Experiments on the Asia-Europe-Oceania shipping network of a global liner shipping company show that more than one third (17-22 ports) of the total of 46 ports have transshipment throughputs. Computational studies based on randomly generated large-scale shipping networks demonstrate that the proposed model can be solved efficiently by CPLEX.     

On determining the hinterlands of China's foreign trade container ports

The boundary lines of the hinterlands of container ports, for as long as these exist, serve as reference points for future port development and infrastructure planning. In earlier efforts to delineate the hinterlands of Chinese ports, either the number of ports considered was limited, or the demarcation of hinterlands was based on aggregate port throughput only. As a result, none of these studies has allowed a clear understanding of the characteristics of shared hinterlands. To address such shortcomings, the membership degree method and the Huff model have been used here to delineate, if at all possible, the hinterlands of China's 20 major foreign trade container ports. The results reveal the existence of fierce port competition for China's hinterlands, with the hinterland characteristics of different types of ports varying in scope and spatial continuity. Our research has important policy implications for central- and local governments, as well as port authorities. In short, ways to strengthen inter-provincial port cooperation should be a top priority to policymakers going forward. Due to the unavoidable onslaught of diseconomies of scale in cargohandling, international hub ports should focus on the development of strong, port-centric maritime clusters and international shipping centres. Regional hub ports should coordinate better their relationship with international hubs and feeder ports. Finally, the latter ports need to plan their development cautiously in order to avoid unfettered and wasteful expansion.     

Port system evolution – the case of Latin America and the Caribbean

The explosion of global container trade in the last two decades has significantly influenced the port geography of Latin America & the Caribbean (LAC), leading to a concentration of container traffic at selected ports. Theory suggests that, as port systems become mature, they tend to deconcentration, partly due to the emergence of secondary ports. Previous research has examined the region’s dominant ports, but an unanswered research question is how the evolution of this port system is influencing and being influenced by the actions of those ports currently occupying a secondary rank in the LAC port hierarchy.The methodology is based primarily on analysis of time series data on container movements between 1997 and 2012, revealing patterns of cargo flows and transhipment location choices. The institutional context of devolution processes and new investments in the region provides additional insight into the performance of selected ports. From a theoretical perspective, this analysis is situated within the context of recent institutional approaches that examine the port’s ability to act through critical moments and junctures, in order to deepen understanding of which of the various factors influencing port system deconcentration are the most sensitive to successful institutional adaptations.Results show that the manufacturing of strategic locations can be successful and may have driven the emergence of secondary ports in the LAC system. This finding demonstrates how path dependence can be challenged by new developments, the identification and success of which are nevertheless contingent on factors such as the first mover advantage, port planning regimes and diversification of port roles. The paper identifies some of the key factors influencing the transition of a port system from concentration at a few dominant ports to a deconcentrated system of primary and secondary ports, which can be applied to other port systems in future research.     

Combined fleet deployment and inventory management in roll-on/roll-off shipping

In maritime transportation of automobiles, roll-on/roll-off (ro–ro) shipping companies operate liner shipping services across major trade routes. Large ro–ro shipping companies are well placed to offer end-to-end integrated logistics services to auto manufacturers engaged in international trade of vehicles. Therefore, we present a new mixed integer programming model for fleet deployment including inventory management at the ports along each trade route. Due to the complexity of the problem, a rolling horizon heuristic (RHH) is proposed. The RHH solves the problem by iteratively solving sub-problems with shorter planning horizon. Computational results based on real instances are presented.     

Measuring the perceived container leasing prices in liner shipping network design with empty container repositioning

This paper aims to measure the perceived container leasing prices at different ports by presenting a two-stage optimization method. In stage I, we propose a practical liner shipping network design problem with empty container repositioning. The proposed problem further considers the use of foldable containers and allows the mutual substitution between empty containers to decrease the number of empty containers to be repositioned. In stage II, the inverse optimization technique is used to determine the perceived container leasing prices at different ports, based on the solution obtained in stage I. Based on a set of candidate liner shipping service routes, a mixed-integer nonlinear programming model is built for the proposed problem in stage I. The nonlinear terms are linearized by introducing the auxiliary variables. Numerical experiments based on a realistic Asia-Europe-Oceania liner shipping network are carried out to account for the effectiveness of our two-stage optimization method.     

Understanding hinterland service integration by shipping lines and terminal operators: a theoretical and empirical analysis

In the present competitive environment of ports, the key determinant in port competition is the ability of a port to be integrated into the local maritime and hinterland transportation chain. Creating effective integrated hinterland chains requires the coordination of several actors both in port and the hinterland. By making use of insights from Transaction Cost Economics and Resource-based View, the paper helps to understand why and how shipping lines and terminal operating companies enlarge their scope in intermodal transport and in inland terminals. The paper discusses a number of cases from the Hamburg–Le Havre range, where shipping lines and terminal operating companies have changed their scope of activities in ports and hinterland networks. After the theoretical and empirical analysis the papers draws conclusions on the explanatory power of the theories in understanding hinterland service integration by shipping lines and terminal operators.     

Time efficiency assessment of ship movements in maritime ports: A case study of two ports based on AIS data

Operational efficiency of a maritime port is an important issue for shipping lines and port authorities. It is desirable to move ships in and out of a maritime port as efficiently as possible. Automatic identification system (AIS) data recording the trajectory of ship movements allow us to assess the operational efficiency as ships move in and out of a port. This study proposes a time efficiency assessment framework that evaluates the amount of time each ship spends in the different areas within a port (i.e., berth, anchorage, and fairway) based on the space-time trajectories of ship movements derived from AIS data. According to the statistical distributions of time spent by different types of ship in each port area, the proposed framework can compare time efficiency across different zones within a port and between different ports. This study uses AIS data of four types of ships (i.e., container, cargo, tanker, and passenger ships) at two selected ports in China, Shanghai Yangshan Port and Xiamen Port, to demonstrate how the proposed approach can effectively assess and compare time efficiency levels of ship movements between the times entering and leaving the vessel traffic service (VTS) lines of a port. This study demonstrates the value of deriving space-time trajectories from AIS data based on the concepts of time geography to assess time efficiency levels of maritime ports and monitor their performance over time, which offer useful information to both shipping lines and port authorities for operations such as efficient scheduling and logistic support.     

Port choice and freight forwarders

In light of the growing supply chain power of 3PLs and very limited empirical studies on port choice from the freight forwarders’ perspective, this paper tries to evaluate the major factors influencing port choice from the Southeast Asian freight forwarders’ perspective, their decision-making style and port selection process and draw out some policy implications for port operators and authorities. Efficiency is found to be the most important factor followed by shipping frequency, adequate infrastructure and location. Their selection process is complex and a two-stage process and supports the new approach that models ports within the framework of a supply chain.     

Shipping efficiency comparison between Northern Sea Route and the conventional Asia-Europe shipping route via Suez Canal

The continuous retreat of Arctic sea ice and seemingly appealing cost competitiveness of transarctic shipping routes are expected to boost shipping activities in the region. However, in reality, the number of Arctic transits remains meagre compared with major shipping routes. This study first develops a profit estimation model for containership sailing from an original port to a destination port with multiple port calls and a cost estimation model for oil tanker sailing from an origin port to a destination port. The authors then proceed to compare the shipping efficiency between the Northern Sea Route (NSR) and the Asia-Europe shipping route via Suez Canal by using the developed models and real shipping operational data. The results demonstrate that NSR shipping is not economically favored compared to traditional one in container shipping, but may be only appealing to small or medium-size tanker operators.     

Migration of container terminals as their natural process of evolution: Case study of Gdańsk and Gdynia ports

The paper proposes a theoretical model of container terminals and container port development, based on the life cycle theory, threshold theory and catastrophe theory, and in references to Kuznets' swings (interpreted as waves of infrastructural investments), and Kondratiev long economic waves.The aim of this model is to explain the development process of a container terminal and a port within one technological generation, as well as in intergenerational configuration, and relate it to the migration process of container terminals in the scale of a port-city urban area. Then, the applicability of this model was checked in the case of the container ports in Gdynia and Gdańsk (Poland). The analysed evolution process of ports of Gdynia and Gdańsk conforms with the proposed theoretical model, proving that the migration of container terminals within these ports is a part of their natural process of evolution, being a consequence of their threshold development and location splitting.Considering the physical location of development investments within the container ports of Gdańsk and Gdynia, it was noticed that there are two basic directions of migration of container terminals. One is the migration of the port's main container activity (core terminal or terminals), being a result of a generational change taking place after overcoming the maturity point. The second type of migration is connected with dispersion of port development investments in the increasingly distant port hinterland, caused by the need of the life extension of terminals within one technological generation.In an analogy to the processes of development of living organisms, we can treat the migration of terminal outsourced functions as a “vegetative” increase, being an attempt to extend the life of the terminal, while the migration of the core terminal within the port area (erecting a new generation terminal) can be treated as “generative” growth.     

UK supply chain carbon mitigation strategies using alternative ports and multimodal freight transport operations

In the last few decades, the building evidence that CO₂e emissions lead to climate change has pointed to a need to reduce CO₂e emissions. This research uses five scenarios in the context of UK import trade to assess total CO₂e emissions and costs of import re-routing containers. The overall objective is to assess possible carbon mitigation strategies for UK supply chains by using a combination of alternative ports and revised multimodal strategies. The model adopted includes three elements: port expansion, container handling and freight transport. The alternative scenarios explore different settings modal shift and short sea shipping.     

Spatial,temporal and institutional characteristics of entry strategies in inland container terminals: A comparison between Yangtze River and Rhine River

Recent decades have brought a growing commitment of investors in the (co-)funding and management of inland terminals, particularly container terminals. However, the actors involved, the forms of third-party entry and the emerging partnerships in inland terminals have only been investigated on a fragmented basis in inland port research. To complement existing inland port research on governance, management and spatial development, this paper analyses entry strategies of actors in inland container terminals on the Rhine and Yangtze in terms of their spatial, temporal and institutional characteristics. The unit of analysis in this paper is the inland container terminal, not necessarily the entire inland port (which might have more than one terminal). The entry strategies and the drivers behind these strategies are examined using a conceptual framework focused on five questions, i.e. who, where, when, why and which way. The empirical application is based on a large dataset of all container terminals on the Rhine and Yangtze. Our findings suggest clear differences between the two rivers in terms of the type of operators, the sequence of inland port development and also the major actors shaping the inland terminal landscape. Despite these differences, there is also some level of similarity, including a low presence of international players, the absence of deepsea (landlord) port authorities and observed waves of single acquisition, multiple-site acquisition, and capital entry in the terminals. Government policies, institutional frameworks and the nature of shipping network development are determinants of inland port investment and the entry strategies adopted by relevant actors. The findings contribute to a better understanding of the drivers and contextual environment guiding entry strategies in inland ports and can help policy makers and port operators in inland rivers to assess and benchmark their strategy. The paper adds to existing literature by considering spatiotemporal aspects of terminal ownership and the strategic considerations of and institutional drivers and impediments to the inland terminal strategies of the corresponding actors.     

Study on China-EU container shipping network in the context of Northern Sea Route

The emerging Northern Sea Route (NSR) represents change to the existing liner network for China-EU container shipping. It is necessary to re-examine the container network in this context and assist liner companies in decision-making. This paper assesses the potential of the NSR based on designing a multi-port multi-trip liner service by establishing a two-stage optimization model. Based on the estimated data of NSR shipping, ship routing schemes on both the NSR and conventional routes are proposed. It is determined that container service along the NSR is largely influenced by ice-breaking charge, seasonality, and cargo volume, which makes NSR more likely to act as a supplementary line of the liner network in the short or medium term. The results also indicate that use of NSR may drive the redeployment of shipping network and hub ports in the long term. This study's conclusions may prove useful for strategic planning by liner companies, port authorities, and governments to assess the operation of liner service via the NSR.     

Optimising the container transhipment hub location in northern Europe

This paper applies a specific research methodology designed to evaluate and compare competing seaport locations within a given region as the optimal site for international container transhipment activity. The main focus is on container transhipment hub locations in northern Europe. Transhipment is the fastest growing segment of the containerport market, resulting in significant scope to develop new transhipment terminal capacity to cater for future expected traffic flows. Transport distances and associated shipping costs are calculated for existing hub locations and these are then compared with a new proposed transhipment location in the region, in this instance the vast natural deep-water harbour at Scapa Flow in the Orkney Islands. Findings from the research demonstrate that current container hub ports are not necessarily optimal (for serving transhipment markets), and that alternative port sites such as Scapa Flow could provide a superior and more competitive location from which to support the fast expanding transhipment markets of northern Europe.