• 산업공학
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• 제14권3호
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• pp.255-262
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• 2001

Containerization of cargo transportation has been norm in the word wide maritime services, but containerized trades are typically unbalanced in terms of the number of inbound and outbound containers. Therefore it is critical for shipping companies to find operating policy such as the repositioning of empty containers or replenishing of short-term leasing containers from leasing companies to satisfy the freighter's demands of containers. This paper develops a simulation model using ARENA to establish shipping company's operational policy to relocate and replenish empty containers. Furthermore, this study proposes simple and heuristic empty container repositioning rules to minimize the relevant cost in terms of leasing, repositioning, and inventory holding costs.

• 한국항공운항학회지
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• 제31권4호
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• pp.28-44
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• 2023

This study investigates aircraft lessor business models by studying cases and interviewing experts to analyze investors and business strategies of aircraft lessor. The results confirm that there is a wide range of investors including institutional investors, financial institutions, insurance companies, corporations, and wealthy individuals for aircraft lessor. Aircraft lessors can be categorized based on its required rate of return (cost of capital) into bank-investing core, institutional investor-investing value-added, and hedge fund-investing opportunistic. Aircraft lessor decides leasing rate by aircraft purchasing price and lessee's credit rating. Core aircraft lessors invest in new aircrafts for new placement or sale-and-leaseback strategy requiring little technical risk in aircraft, value-added lessors invest in middle-aged aircrafts for re-leasing, opportunistic lessors invest in old aircrafts for freighter conversion or part-out strategy requiring high level of expertise. This study provides insights for future Korean aircraft lessor establishment and investment.

• ETRI Journal
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• 제15권3_4호
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• pp.47-59
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• 1994

A capacity expansion planning problem with buy-or-lease decisions is considered. Demands for capacity are deterministic and are given period-dependently at each period. Capacity additions occur by buying or leasing a capacity, and leased capacity at any period is reconverted to original source after a fixed length of periods, say, lease period. All cost functions (buying, leasing and idle costs) are assumed to be concave. And shortages of capacity and disposals are not considered. The properties of an optimal solution are characterized. This is then used in a tree search algorithm for the optimal solution and other two algorithms for a near-optimal solution are added. And these algorithms are illustrated with numerical examples.

• 한국항해학회지
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• 제23권2호
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• pp.11-22
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• 1999

This paper is concerned with the development of a tractable model to assist liner shipping companies in the decision-making of empty container repositioning and leasing. A hybrid methodology is presented which properly accounts for the specific characteristics of empty container management. For this mathematical models are developed based on dynamic network models, covering both land and marine segment. Then a stochastic method is presented to deal with the uncertainty of the future demand and supply. Especially, the concept of opportunity cost has been introduced in order to explain interactions between the variation of the future demand and supply and the stock level at each depot.

• 유통과학연구
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• 제14권9호
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• pp.5-13
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• 2016

Purpose - This study proposes a framework for service innovation strategy to cope with the emergence of electric vehicles. Research design, data, and methodology - This study designs an electric-vehicle lease program and collects the resulting data to analyze. By analyzing the previous studies on the electric-vehicle market with cases, a theoretical framework based on existing theories is to be set. Results - This study proposes a strategy for the rapid diffusion of electric vehicles. First, a partitioned-pricing system is proposed to create an advantage for electric vehicles in terms of initial purchasing cost relative to traditional internal combustion vehicles. Second, focusing on reducing switching costs is important because electric vehicles have relatively low resale values due to the uncertainty of battery life. Third, a battery-leasing strategy is supposed to reduce the cost of switching from a traditional internal combustion vehicle to an electric vehicle. Conclusions - This paper can provide strategic guidance for decision makers in firms that have already entered the electric-vehicle leasing market by making a recommendation such as a service innovation strategy. The proposed strategy can be considered as an electric vehicle market in the future and can contribute to the wider diffusion of electric vehicles.

• 한국항해항만학회지
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• 제28권8호
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• pp.709-714
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• 2004

본 연구는 최근 물동량이 빠른 속도로 증가하고 있는 대련항, 천진항, 청도항, 상해항 등을 화물의 목적항으로 설정하고, 선박의 운항패턴 시나리오를 바탕으로 부산항에서 환적하는 경우와 중국항 직기항 등의 총운송비용 차이를 분석하였다. 이를 바탕으로 하여 부산항에서 환적할 때 직기항하는 경우보다 초과 발생하는 비용을 항만 당국이 선사에게 보전해 주는 인센티브 규모로 하고, 이를 충당할 수 있는 전대사용료 산정 방법을 제시하였다.

• 한국항공운항학회지
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• 제17권2호
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• pp.52-61
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• 2009

In Korea, there is great lack in jet lease agreements compared to many other countries. Due to such scarcity in numbers of jet lease agreements, problems have never truly surfaced and legal foundation dealing with such issues have not yet been formulated. However, as the globalization is making the world smaller and smaller, the demand for jets will grow. As the Korean aviation industry is expanding tremendously, although very preliminary at this time, the interest and actual execution on private jet lease agreements will grow. The prediction of increase in the private jet ownership is causing the lease industry to be nervous and may require particular preparatory foundation works. Particularly, legal analysis and detailed review maybe necessary to set a precedent with will serve as the grounded rule in the future. It is notable that Vietnam, a country which is believed have a less developed aviation industry than Korea, had already established a specialized jet leasing company, VALC in 2007. Also, when leasing an airplane from a foreign financial institution, it is possible to obtain a government issued guarantee. Therefore, it is urgent for Korea to prepare the legal foundation for the future demands in aviation leasing, as well as private jet leases which in turn would promote national wealth and further develop the financial industry.

• 한국멀티미디어학회논문지
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• 제22권9호
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• pp.1055-1068
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• 2019

As the container market is expected to continue to increase, the volume of containers will increase, and the volume of empty containers will be proportional to this. Imbalances between imports and exports in each country have emerged, and the issue of collection and storage of empty containers is becoming more and more important, and it is necessary to appropriately deal with container demand for container presents. Therefore, in this paper, we are trying to develop a website that provides various empty container information and provides empty container leasing services based on this information. Through the development of these empty container websites, we would like to make empty container leasing and operations more efficient, improve empty container-related services and reduce costs.

• 한국통신학회:학술대회논문집
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• 한국통신학회 1984년도 추계학술발표회논문집
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• pp.57-61
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• 1984

• 한국산학기술학회논문지
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• 제16권8호
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• pp.5267-5272
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• 2015

본 연구는 2008~2013년 한국의 은행 대출 자료를 이용하여 건설 및 부동산업으로의 대출 집중과 은행 위험의 관계를 분석하였다. 각 은행의 기업대출에서 건설, 부동산업으로의 대출이 차지하는 비중을 이용하여 건설 및 부동산업의 대출을 산정하였다. 은행 위험은 부실여신(3개월 이상 연체 및 무이자 여신) 규모와 은행의 자기자본비율로 산정하였다. 분석 결과에 따르면, 1기 이전 은행의 건설, 부동산업 등으로의 대출 비중이 증가할수록 은행의 부실여신 규모는 감소하고 자기자본비율은 제고되는 것으로 나타났다. 은행의 특정 산업으로의 대출 집중은 은행의 위험을 증가시키지 않을 것으로 추정된다. 이는 대출집중으로 인해 은행들이 해당 산업에 대한 대출 전문심사 능력향상이 향상됨에 따라 이들 산업에 대한 정보비대칭성을 낮출 수 있기 때문인 것으로 추정된다. 한국의 경우 건설 및 부동산임대업으로의 대출 증가가 은행의 부실대출 위험으로 연계될 가능성은 크지 않은 것으로 진단된다.