• Journal of the Korean housing association
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• v.16 no.5
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• pp.49-56
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• 2005

This study will focus on status and structure of Japanese public reverse mortgage that has been changed since 1980. Especially, on newly introduced long-term supporting system for living fund after 2003. Private housing construction companies studied preceding cases of real estate products with reverse mortgage theory and also induced learning point from the change of Japanese public reverse mortgage market. From this on the purpose of this study is suggesting a better plan for successful reverse mortgage introduction in Korea. The data and articles of Japanese reverse mortgage are used for this study, also reverse mortgage related data are collected from web-site and research reports from the inside and outside of the country. From the total postal survey in September, 2004, the system contents after Year 2003 are described here. As described above, reverse mortgage is a way to support public social pension system and expected to play an important role as an assisting method for stable housing and supporting living cost to the aged. Eventually, it is necessary to find a way for introducing a public reverse mortgage as a welfare system for low income people.

• Journal of the Korean housing association
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• v.19 no.3
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• pp.31-38
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• 2008

Recently, Seoul residential real estate market showed a big change, especially in 2007. The residential property price in Seoul had been mainly affected by 5 provideces: Kangnam-gu, Seocho-gu, Songpa-gu, Gangdong-gu and Yangchun-gu, but these providences started to show the decrease in price while the other providences ironically showed the opposite direction. Therefore, this project was derived from this phenomenon recognition and the necessity as the new market trend requires. The pre-research was carried out with the point of social-population academic view, but this project provides the analysis on the new market trend by simplifying the complex valuation indexes, originated from the pre-research. In result, the aspects of the change could be categorized into time-manner classification and territorial-manner classification, in cope with the change in the satisfaction degree on the residential environment and the selection tendency of the residential property. Based on the the moving-preferred area criteria, the territorial classification was categorized into 3 areas: 5 providences, which showed the initial decrease in real estate price (area 1), the other Kangnam area (area 2), and Kangbuk area (area 3). The result illustrated the reasonable change in the satisfaction degree on the residential environment and the selection tendency of the residential property. This project was able to reach the following conclusion : Firstly, the housing development planning should be devised by the residential environment, including the view and the natural environment, not by the area. Secondly, the housing development planning in the other Kangnam area (area 2) and Kangbuk area (area 3) should embrace the business function, not the housing development only. Last, the housing development planning in Kangbuk area (area 3) should be able to enhance education and culture function and be connected by various transportation system. This project analyzes the change in the satisfaction degree on the residential environment and the selection tendency of the residential property. Thereafter, this project has the purpose of providing the aid in understanding of the basis of housing development information.

• Korea Real Estate Review
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• v.28 no.1
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• pp.65-77
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• 2018

This paper analyzes the redemption risk of renters by estimating the LTV and CoLTV with finance market big data (individual credit information) and housing market big data (actual housing transaction data). The analysis showed that when using LTV, the redemption risk was higher in the case of the monthly renter than of the chonsei renter. On the other hand, when using CoLTV, the chonsei renter had a higher redemption risk than the monthly renter. This implies that there is a need to activate a guarantee system, such as risk management using the CoLTV index and the chonsei deposit return guarantee because it is possible for renters to experience losses on their chonsei deposits due to the higher redemption risk. Another implication is that the risk manager should consider the individual characteristics of renters because of the different effects of the redemption risk stemming from the characteristics of the rental contract and the personal characteristics of the renters. CoLTV was just a concept until this study calculated it using housing big data and actual housing transaction information. It helps identify the redemption risk through the characteristics of renters and their contracts.

• Journal of Korean Society of Transportation
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• v.34 no.6
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• pp.510-522
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• 2016

In studies involving public transport, social welfare improvement is simply explained by the increase in public transport demand. However, the increase in the demand for public transport is mostly observed by the change in the frequency of public transport service, and in-vehicle crowding in public transport has not been an object of concern. This study examines and tries to reveal the cause of the changes of the social welfare and in-vehicle crowding of the changing public transport from imposing congestion pricing. We observe that congestion pricing increases in-vehicle crowding in public transport. This predictable phenomenon is more exacerbated in case of not operating bus-only lane. It should be noted that in-vehicle crowding is more increased in suburban, but in First-best toll system it tends to get worse less than it in other congestion pricing systems. We identify that the change of in-vehicle crowding is affected by the change of proximity of the housing to workplace, the number of commuting trips, and unpredictable distortion effect of the congestion charge.

• Journal of the Economic Geographical Society of Korea
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• v.16 no.2
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• pp.275-292
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• 2013

This paper aims at analyzing the use REITs for improving housing welfare, especially focusing on affordable housing. To do this, firstly, current state and main problems of domestic housing welfare are analyzed, secondly, housing welfare system involving capital market and case study of affordable housing REITs in United State are examined. and thirdly, utilization schemes of REITs for improving affordable housing are analyzed. In the process of executing housing welfare, various systemic bases for attracting capital market are constructed. Under these systemic basis, affordable housing REITs such as Community Development Trust are operated. This scheme also can be applied in Korea. In the context, the structures of using management on commition REITs and the structure of using real estate fund are proposed.

• Journal of the Korea Safety Management & Science
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• v.19 no.4
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• pp.183-188
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• 2017

Block Chain is a technology that records and shares distributed ledgers without a central authority, providing a decentralized platform for transparent transactions in the business and enhancing transparency and traceability in all transactions to ensure trust in the transaction. Despite initial doubts about this technology, it is committed to adopting, adapting and improving the technology in a wide range of industries, including finance, government, security, logistics, food, medical, legal, and real estate. This study examines this technology, its applicability and potential benefits to the manufacturing supply chain. A tracking system of manufacturing supply chain to visualize transparency and traceability is implemented, and the conditions for adopting the technology in the manufacturing supply chain and the issues to be addressed are discussed.

• Proceedings of the KIEE Conference
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• 2007.07a
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• pp.1126-1127
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• 2007

This paper presents One Cycle Control type PFC converter for power system Unit of LCD TV. A control technique known as One Cycle Control contends reductions in complexity, cost, design time, and PCB real estate, without a sacrifice in performance. In this paper, design and experiment on 300W One Cycle Control type PFC Converter for Power System Unit of LCD TV.

• International conference on construction engineering and project management
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• 2005.10a
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• pp.1244-1249
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• 2005

Present PII(Private Infrastructure Investment) in Korea has increased up to 11% compared to the year 2003 and is expected to increase in the future. In spite of its rapid increase, we don't have any definite standard or system which distinctly presents the rate of return for domestic PII yet, and practical and scientific research is not sufficient compared to its necessity and importance. Hence, in this study we suggests methods to estimate the rate of return of PII to promote SOC PII to last successfully and present the proper level of rate of return of PII which is appropriate for domestic situations through diverse analysis. Therefore, to present reasonable rate of return, we have used 5 methods: previous research analysis, case study, financial index analysis, analysis of investor's rate of return, and analysis of rate of return in a real estate market. After comparing and analyzing these methods, at the end, we have presented the appropriate level of rate of return of PII, which can be applied in the domestic market.

• The Journal of Society for e-Business Studies
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• v.14 no.2
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• pp.117-130
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• 2009

Lots of applications that represent and utilize geographic information on the Web have emerged on the Web. In addition, personal electronic devices equipped with GPS function, which can record personal location information in real time, are being increasingly adopted by people. Such geographic information enables Internet business companies to provide users more useful services based on the location information. Most successful Internet business companies have adopted and utilized Web 2.0 technologies, which promote users' participation and emphasize openness and information sharing. Especially, using open APIs (Application Programming Interfaces) can reduce the costs of a program development. In this study, we design and develop a banner advertisement system based on geographic information using open APIs. We propose a business model using the advertisement system, and a prototype system has been illustrated in order to explain the proposed business model. Finally, we summarize the benefits of our system by describing factors generating values of the proposed business model. Hopefully, main ideas proposed in this paper can be applied to real industry sectors that use geographic information widely such as travel, real estate and so on.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.5 no.6
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• pp.562-570
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• 2004

Since 2001, REITs are introduced in Korea as a type of general REITs and CR-REITs. But REITs are not succefully settled down in Korea. The purpose of the study is to propose the way to activate REITs in Korea. We should make up for the weak points in the current REITs system. For the success of REITs the followings are prepared.: first, REITs give a current, stable dividend income. second, disclosure obligations should be satisfied. third, securities are registered with the SEC are required to make regular SEC disclosures. fourth, REIT manager should be skilled, experienced real estate professionals. sixth, REITs must distribute more percent of its taxable income to its shareholders. seventh, Ownership interests be more flexible.