• Journal of the military operations research society of Korea
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• v.32 no.1
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• pp.73-89
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• 2006

In this paper, EVMS procedure for KHP program is presented. Research and development of a defense system as a long lead program has a high probability of cost growth due to the uncertainty and risk. Therefore, meeting schedule, technical performance and preventing excessive cost overrun are the main concerning point to successful research and development program. EVMS(Earned Value Management System) is a program management system using earned value to control cost, schedule and technical performance. In order to control cost and schedule and to meet technical performance requirements of the KHP research and development program, it is necessary for us to adapt EVMS to the program.

• International Commerce and Information Review
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• v.18 no.3
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• pp.155-179
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• 2016

The rapid changing technology and globalization allow consumers get information and new products or services faster, have more choices than before, which might be causing more competitive and more uncertain demand. The relationship quality between enterprises positively influence the relational performance. Through this research, enterprises should realize the importance of relationship learning to improve the competitive advantage. Also this research provide the strategic solutions to promote the relationship learning. this is considered to be able to present an improved directionality of the relationship between the buyer and the supplier. In addition, from the perspective of policy, this research provides implications for large enterprises and SMEs to promote their coexistence relation. The empirical model of this paper is established on basis of previous research. The empirical results show that: first, as the influence factors, relation solidarity level, environmental uncertainty, learning intension affect relationship learning, whilst special transaction assets influence information shared and relationship memory and have no effect on mutual understanding; second, relationship learning influence on relational performance and this influence relation becomes stronger if the relationship trust is higher.

• Korean Journal of Construction Engineering and Management
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• v.8 no.2
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• pp.155-163
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• 2007

Multiple parties-owners, engineering and construction contractors, and suppliers involve the delivery process of capital facility projects in the construction industry, and each party obtains or provides their workforce, material, equipment, or service tied into specific contracts. Considering that construction projects are based on the contracted relationship between the parties and that contract types are one of the significant factors determining project success. it is critical for project stakeholder to select appropriate contract types for successful deliveries of projects. With these considerations, this paper assesses impacts of different contract types on project cost, schedule, safety, change, or rework. Analyzing data from real construction projects, the differences in project performance between two contract types, Cost Reimbursable and Lump Sum are measured and statistically tested to investigate if the differences are significant. For this analysis, performance metrics developed by Benchmarking and Metrics program, the Construction Industry Institute are used.

• Communications for Statistical Applications and Methods
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• v.17 no.6
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• pp.853-863
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• 2010

The performance test in a public survey is conducted by a sample survey and the sampling rate of the performance test is a very important factor in the test process. Since the current sampling rate was decided empirically at an earlier time, it has been criticized for two points: the first is that it has a lack of a theoretical background on the decision for the sampling rate and the second is that the sampling rate should be improved in accordance with current test situations. In this paper, we review the present state of performance tests in public surveys in Korea and study the relationship between the rate of the performance test and fitness probability, number of tests, and the success rate in order to create a theoretical background to improve the test rate. In addition, we discuss relationship between the test rate and cost in the performance test.

• The Journal of the Korea Contents Association
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• v.9 no.1
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• pp.293-303
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• 2009

The purpose of this study is to review causal effect of corporate image, customer royalty on switching cost. Specifically, giving managerial view point to build strategic CRM is major purpose of this research with finding out how the switching cost influences to the corporate image and customer loyalty deciding customer's desire of repurchase and knowing the important factors of corporate image. The result of this study is that switching cost has an effect on corporate image as the important factors. Also corporate image influences on customer loyalty.

• The Transactions of the Korea Information Processing Society
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• v.4 no.6
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• pp.1401-1417
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• 1997

The major objective of this study is to propose an estimation method for the equipment operating cost in the data center outsourcing situation. To accomplish the objective, the fundamental concepts about the outsourcing pricing is first established by analyzing the previous research in this area. Then an actual case of data center outsourcing is evaluated. Based on the conceptual model and the actual case, a new method is proposed. Validity of the proposed method is verified by the quantitative comparison with the previous method. Reasonability and usefulness of the method were evaluated through the customer survey.

• Proceedings of the KSR Conference
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• 2002.10a
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• pp.396-407
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• 2002

New Electric Multiple Units that will be released in the rolling stock market are required to meet regulations of reinforced safety and conveniences for passengers. For those reasons, Vehicle purchasing cost to be increased will be unavoidable. However, The reduction of operating cost by employing effective and efficient design on the EMU at initial phase will be expected. Hence, Vehicle purchasing shall be determined to take into consideration of purchasing cost vehicle at first stage and operation cost appropriately. In order for introducing method to presume such costs, this document will show Life Cycle Cost on vehicle and its applicability.

• Proceedings of the Korean Society of Computer Information Conference
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• 2010.07a
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• pp.399-402
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• 2010

본 연구의 목적은 RFID의 도입 성과에 영향을 미치는 요인과 조직의 혁신성의 조절효과를 분석하는 연구모형과 가설을 제시하는데 있다. 연구의 목적을 달성하기 위해 RFID에 관한 이론적 배경을 바탕으로 RFID 성과에 영향을 미치는 요인을 기술적 특성에는 표준화, 지각된 보안, 지각된 비용, 조직적 특성에는 최고경영층의 지원, 재정적 지원, 기술적 지원, 환경적 특성에는 모방적 압력, 강제적 압력, 규범적 압력으로 설정하였고, RFID는 BSC 성과를 이용하여 재무성과, 프로세스성과, 학습/성장성과, 고객성과로 설정하였다. 그리고 조직의 혁신성을 이용하여 혁신적인 조직은 RFID 도입요인과 도입 성과에 어떠한 영향을 주는지에 대한 연구모형을 설정하였다. 향후 연구에서는 이러한 연구모형과 가설에 대한 실증분석이 요구된다.

• Information Systems Review
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• v.18 no.1
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• pp.177-197
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• 2016

Information technology (IT) outsourcing is considered an effective strategy to manage and maintain organizational technologies in a rapidly changing business environment. In particular, to meet diverse market needs, many organizations that outsource their IT functions practice a multi-vendor approach as their main outsourcing strategy. Although a few studies have been conducted about the multi-vendor approach, most previous works primarily emphasized conceptual arguments and normative prescriptions. In addition, scant attention has been directed toward the relational structure between the client and multiple vendors in the multi-vendor approach and its implications for outsourcing success. This study proposes a model from the transaction cost perspective by conceptualizing two dominant relational structures of the multi-vendor approach, namely, single-vendor dominant model and the multi-vendor dominant model, and hypothesizing their relationships with two outsourcing outcomes, project success and user satisfaction. The proposed model is examined using the data collected from 246 companies that have implemented multi-vendor outsourcing. As expected, results indicate that the single-vendor dominant model has a more significant impact on project success, whereas the multi-vendor dominant model has a more significant impact on user satisfaction. The study concludes with the theoretical implications and directions for future research.

• The Journal of Society for e-Business Studies
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• v.19 no.4
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• pp.169-193
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• 2014

This paper attempts to analyze how the psychological factors would have an effect on the user's intention to make use of the mobile care via smart-phone, identifying the relationships among individual motivation propensity that consists of prevention propensity and promotion propensity, perceived usefulness and ease of use, perceived cost, behavioral use attitude and use intention based on technology acceptance model, and verifying them empirically through the structural equation modeling. The findings are as the followings. First, prevention motivation propensity affects positively on usefulness of smart-phone for mobile care service, but there are no significant indications that it affects on the ease of use and perceived cost. Second, promotion propensity affects positively on perceived ease of use and perceived cost of smart-phone for mobile care service, but there is no significant indication that it affects on perceived usefulness. Third, perceived usefulness and ease of use, and perceived cost affects positively on the use attitude. In sum, this paper confirms that the prevention propensity and promotion propensity might be used as antecedent variables for developing new smart-phone services of mobile care.