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Structural Changes of Container Route Network in East Asia after Alliance Formation
Shigeru Yoshida 한국무역학회 2004 國際學術大會 論文集 Vol.2004 No.4
Economic development and growth of container trade in East Asia brought about the appearanceof new container ports. As a result, port-callings configuration or route network structure drastically changed within intra-Asia area and the competition among Asia ports has become violent further. Before alliance formation the competition was among Hub ports, though after alliance formation, the competition has become between past Hub ports and new trunk ports grown from feeder ports with high possibility of growth. The change of port-callings configuration in Asia came from the appearance of alliance formation. At present, since alliance itself is changing, so we can forecast that thc port-callings configuration in Asia will continue to change within a wider range. The degree of concentration of container volume handled in Asia ports rose at the time of alliance formation because Hong Kong and Singapore as Hub ports had gathered many cargoes by their strong competitiveness. But the situation changed, since latter half of 1990's the degree of concentration has bee decreasing strongly. According these demand side factors and a supply side factor which the efficient transport system is Go-Around form, the current changing port-callings configuration will have continued for the time being.
Cryogenic cooling system for HTS cable
Yoshida, Shigeru The Korea Institute of Applied Superconductivity a 2017 한국초전도저온공학회논문지 Vol.19 No.2
Recently, Research and development activity of HTS (High Temperature Superconducting) power application is very progressive worldwide. Especially, HTS cable system and HTSFCL (HTS Fault current limiter) system are proceeding to practical stages. In such system and equipment, cryogenic cooling system, which makes HTS equipment cooled lower than critical temperature, is one of crucial components. In this article, cryogenic cooling system for HTS application, mainly cable, is reviewed. Cryogenic cooling system can be categorized into conduction cooling system and immersion cooling system. In practical HTS power application area, immersion cooling system with sub-cooled liquid nitrogen is preferred. The immersion cooling system is besides grouped into open cycle system and closed cycle system. Turbo-Brayton refrigerator is a key component for closed cycle system. Those two cooling systems are focused in this article. And, each design and component of the cooling system is explained.
Structural Changes of Container Route Network in East Asia after Alliance Formation
Shigeru Yoshida,Kwang-Hee Kim 한국무역학회 2004 Journal of Korea trade Vol.8 No.1
This paper aims to study the structural changes of container route networks in the East Asia area after alliance formation. Since the 1980s, economic development and growth of container trade in East Asia brought about the appearance of new container ports in the liner shipping trades routes. On the other hand, after alliance formation, container liner services have become high quality, i.e. many service points, high frequency, short transit time etc. by many and various loops based on many ships of alliances. Then the structural changes of route networks or fleet operation networks in the liner shipping have occurred. The port-calling configurations and route network structures drastically changed within intra-Asia area and the competition among Asia ports has become further violent. Before alliance formation the competition was among Hub ports, though after alliance formation, the competition has become between past Hub ports and new trunk ports grown from feeder ports with a high possibility of growth
Structural Changes of Container Route Network in East Asia after Alliance Formation
Shigeru Yoshida 한국무역학회 2004 한국무역학회 국제학술대회 Vol.2004 No.4
Economic development and growth of container trade in East Asia brought about the appearanceof new container ports. As a result, port-callings configuration or route network structure drastically changed within intra-Asia area and the competition among Asia ports has become violent further. Before alliance formation the competition was among Hub ports, though after alliance formation, the competition has become between past Hub ports and new trunk ports grown from feeder ports with high possibility of growth. The change of port-callings configuration in Asia came from the appearance of alliance formation. At present, since alliance itself is changing, so we can forecast that thc port-callings configuration in Asia will continue to change within a wider range. The degree of concentration of container volume handled in Asia ports rose at the time of alliance formation because Hong Kong and Singapore as Hub ports had gathered many cargoes by their strong competitiveness. But the situation changed, since latter half of 1990's the degree of concentration has bee decreasing strongly. According these demand side factors and a supply side factor which the efficient transport system is Go-Around form, the current changing port-callings configuration will have continued for the time being.
Network Effects of Alliances in International Transportation
( Yoshida Shigeru ) 한국해운물류학회(구 한국해운학회) 2003 해운물류연구 Vol.39 No.-
The aim of this study is to analyze the difference of network effects by alliance formation in international liner shipping and airline industries. First of all, the network economy by the alliances is placed in order from the viewpoint of economy of scale. After observing the changes of network service attributes by he alliance formation, the network effects are empirically analyzed on demand and supply sides. We conclude as follows. As it is very difficult for each airline to design freely the route structure to demonstrate the effect of aircraft size, the route of pursuing high frequent service to fulfill customer satisfactions is taken. For liner shipping, as well as for airlines, customers are acquired by increasing the number of service points and frequencies are relatively small.
최나영환,Shigeru YOSHIDA 한국해운물류학회 2013 The Asian journal of shipping and Logistics Vol.29 No.1
In shipping industries, M&A (Mergers and Acquisitions) has been brisk around large shipping companies since the mid to late 1990s. M&A strategy has attracted a lot of attention recently as a plan to improve profitability of shipping companies and to streamline their management, due to shipping economic depression. In this situation, it is necessary to plan strategies to evaluate properly M&A effects of shipping companies and to achieve successful M&A. This study aims to investigate the backgrounds and purposes of M&A in Japanese shipping companies and evaluate M&A effects from long-term business performance analysis and synergy effects analysis, using EVA (Economic Value Added). The cases in the study verified the rise of market power and turnover. The companies accomplished the improvement of their financial safety and profitability through the mergers. And, the cases imply that positive synergy effects are able to be created by effective utilization of managerial resources and investing activities in post-merger.
Judgemental Forecasting in the Dry Bulk Shipping Business: Statistical vs. Judgemental Approach
Okan Duru,Shigeru YOSHIDA 한국해운물류학회 2009 The Asian journal of shipping and Logistics Vol.25 No.2
This paper investigates the accuracy of judgmental forecasting methods for dry bulk freight market. Judgmental forecasting is a method that implements the purely judgmental aspects of a system. The research investigates judgmental forecasting for the Baltic Dry Index, and compares it with statistical extrapolation methods. Post-sample forecasting accuracy indicates the superiority of the proposed approach over the conventional statistical methods. Empirical studies are performed with an expert group and the accuracy of judgmental point estimates is compared with exponential smoothing, the X12 ARIMA, and the TRAMO/SEATS algorithms. The results of expert predictions outperformed traditional time-series methods.