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서비스화 공급사슬에서 서비스 제공 형태에 따른 이익 분석방안에 대한 연구
우창완(Chang-Wan Woo),서용원(Yong Won Seo) 한국경영과학회 2016 한국경영과학회지 Vol.41 No.4
The purpose of this study is to develop a quantitative model to evaluate the performance of the servitized business model. We aim to quantitatively analyze the decisions of participants in the servitized supply chains, and provide methods to maximize the performance. We consider servitized supply chains consisting of a manufacturer and a service provider, that can be integrated, separated or coordinated based on the relationship between the manufacturer and the service provider. The decision models in each case are developed, and performance and profitability are analyzed. Utilizing the decision models in different cases, we compare the performances of different business models of the servitization. Since our models can be applied to analyze a wide range of the servitization business models, we expect this study can contribute to promote servitization in manufacturing companies by providing methods to evaluate the profitability of the servitization business model.
유통채널에 있어서 거래특성이 전략적 제휴유형선택에 관한 연구
한상설,우창완 단국대학교 대학원 1997 學術論叢 Vol.21 No.-
This paper is to study the strategic alliance that manufactures may adopt to work with distributor in marketing channels, and to examine internal and external environmental factors that may effect strategic alliance developed in the marketing channel. In examining these specific influential factors, first of all, The characteristics of transaction would be classified into an opportunism risk, a transaction asset specificity, a transaction asset obsolescence, and a frequency of transaction, based upon the traditional transaction cost theory. This paper also examines channel performance(market responsiveness·relationship of channel members) in order to see any difference among the type of strategic alliance. For empirical data for this study 140 Strategic Business units of Korean manufactures were selected as subjects. The statistical techniques that are used to test hypothesis were Discriminant Analysis and ANOVA. The result of this study are as follows. First of all, the degree of competition, as an external environment factor, is not significant enough to the selection of strategy alliance. Second, the opportunism risk, the transaction asset specificity, a transaction asset obsolescence, and a frequency of transaction becomes common, and show a significance to the selection of strategic alliance. Particularly, the transaction asset specificity and the opportunism risk are very significant. Third, market responsiveness is different based upon type of strategic alliance adopted in the marketing channel selectively. Above all, this study proposes that the marketing channel system should be studied in another approach, not in just the vertical integration approach or the dominant relationship.
Role of Media in Bridging Fragmented Community: The Case of College Sports Communities in the U.S.
김정규,우창완 부산울산경남언론학회 2015 지역과 커뮤니케이션 Vol.19 No.2
Sports can be a source of social cohesion within a sports community; at the same time, it can obstruct the social bridging process in communities with diverse sports identities. Community journalism can play an integral role in bridging diverse community groups by listening widely to the community, helping to set an agenda, and by facilitating community interaction. This study examines how college sports as community institutions, shape local news media’s efforts to build community. Content analysis was conducted on online and print newspapers in 100 randomly selected communities–each with at least one NCAA affiliated college. Results suggest that the media work to solidify already united sports communities, but in communities with fragmented identities (multiple college teams), media show lack of bridging gaps. Discussions include
이승우,박희문,우창완,김종오 한국도로학회 2005 한국도로학회논문집 Vol.7 No.3
Efficient snow-removing work is one of important processes of winter road management. Calcium chloride has been used as a typical deicing agent in Korea. It presents superial performance as snow deicing agents, however it has been known to give serious environmental problem and to deteriorate durability of concrete structure in road by corrosion. The environment-friendly road deicing agents made from the waste material which is liquid phase organic matter that is Ca Mg and reactant of organic acid (nitric acid and propionic acid) have been introduced by number of researchers. They indicated the calcium magnesium salt of organic acids have advantage over the calcium choride in terms of lower production unit cost by resources recycling and can solve environmental problem and durability deterioration of structures. In this study, the deicing performance of calcium magnesium salt of organic acids(CMO) is investigated based on the series of experiments including the test for heat of dissolution, freezing point, ice melting test and ice penetration test. 겨울철 원활한 제설작업은 겨울철 도로운영 및 관리에 중요한 공정이다. 현재 우리나라에서는 염화칼슘을 제설제로 가장 많이 쓰고 있고 성능은 우수하지만 환경문제와 부식으로 인한 도로주변의 콘크리트 구조물의 내구성을 저하시키는 원인이 되고 있어 심각한 문제가 되고 있다. 한편 유기성 폐기물을 이용하여 환경친화 제설제인 Ca, Mg와 유기산(초산, 프로피온산)의 반응물인 유기산 염(CMO, Calcium magnesium salt of organic acids)으로 구성된 제설제의 경우 자원 재활용으로 인한 생산 단가를 낮출 수 있고 환경문제와 구조물의 내구성저하를 해결할 수 있다는 연구들이 수행된 바 있다. 본 연구에서는 실험실에서 화학조성에 의해 샘플로 제조된 환경친화 제설제인 유기산염(CMO의 일종)과 미국에서 개발한 CMA, 기존제설제에 대해 제설에 필요한 기초물성에 대한 실험과 성능 실험을 통해 융빙성능을 비교 분석 하였고 콘크리트 표면의 중량손실량 실험을 통하여 구조물의 내구성에 미치는 영향을 검토하였다. 결과 분석을 통해 CMO의 융빙성능은 기존 제설제인 염화칼슘에 비해 60~90% 정도의 효과를 보였다. 중량손실효과는 미미하여 구조물의 내구성에 영향을 거의 미치지 않음을 알 수 있었다.