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- 저자 : 鄭忠泳 (검색결과 159 건)
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영국의 가입자 회선 망세분화(Local Loop Un- bundling) 동향분석
정충영,Chung, C.Y. 한국전자통신연구원 1999 전자통신동향분석 Vol.14 No.4
점차 광대역 서비스에 대한 이용자의 수요가 발생함에 따라 영국의 OFTEL은 가입자 회선 세분화를 검토중에 있다. 본 고에서는 영국의 직접접속(direct connection)과 관련된 기존의 입장과 광대역 서비스 제공을 위한 가입자 회선 제공 대안, 제공 대가 등과 관련된 현재의 검토사항에 대해 살펴보고, 국내의 가입자 회선 세분화 제공 방안을 검토하고 있다.
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鄭忠泳 한국경영과학회 1986 한국경영과학회지 Vol.11 No.2
This paper illustrates a new method to solve the fuzzy goal programming (FGP) problem. It is proved that the FGP proposed by Narasimhan can be solved on the basis of linear programming (LP) model. Narasimhan formulated the FGP problem as a set of 2^KLP problems, each containing 3K constraints, where K is the number of fuzzy goals/constraints. Whereas Hannan formulated the FGP problem as a single LP problem with only 2K constraints and 2K+1 additional variables. This paper presents that the FGP problem can be transformed with easy into a single LP model with 2K constraints and only one additional variables. And we propose extended FGP: (1) FGP with weights associated with individual goals, (2) FGP with preemptive priorities. The extended FGP has a framework that is identical to that of conventional goal programming (GP), such that the extended FGP can be applied with fuzzy concept to the all areas where GP can be applied.
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鄭忠泳,李弘雨 한국경영과학회 1981 한국경영과학회지 Vol.6 No.1
The continuous increase of crude oil consumption has struck great impact into the world economy. When we consider disadvantageous articles in contract for oil import, it would be desirable to import in batch the total quantity of crude oil contracted, but which is not available under the present situation which has many constraints. This paper treats of the ways to deliver the crude oil in given period so as to maximize the profit derived from the sales of oil products. To do this we should consider the prices of crude oil and oil products, inventory cost, transportation cost, oil refinement cost, and fluctuations of these parameters in a given period. The case of Korea Oil Corporation is treated in this paper to generalize the problem of cured oil transportation from Middle East and formulated in a mathematical programming. This programming is transformed into Dynamic Programming through specifing states, stages, payoffs, and recursive function. To clarify these procedure and methods, the case of Korea Oil Corporation is dealt with again and demonstrated in detail.
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품질상 수상 여부와 기업이미지, 종업원 만족 고객만족, 경영성과의 관계
정충영,황병찬,최이규 한국중소기업학회 2003 中小企業硏究 Vol.25 No.1
본 연구는 기업에서의 품질상 수상 여부가 기업의 이미지, 고객만족, 종업원만족, 경영성과에 미치는 영향과 이들의 관계를 밝히는데 그 목적이 있다. 이를 위해 설문지를 통하여 얻은 데이터를 분석하여 다음과 같은 결과를 얻었다. 1. 품질상의 수상여부가 기업이미지에 영향을 미친다. 2. 기업의 이미지는 고객의 제품만족과 서비스만족에 모두 영향은 미친다. 3. 기업이 이미지는 종업원만족에 영향을 미친다. 4. 고객의 제품만족과 종업원만족은 경영성과에 양의 영향을 미치지만 서비스만족은 경영성과에 유의한 영향을 미친다고 볼 수 없다. 5. 품질상의 수상여부는 고객만족 및 종업원만족에 영향을 미치고 제품만족요인과 결합하여 영향을 미치지만, 고객의 서비스만족 및 종업원만족과 결합하여 경영성과에 영향을 미친다고는 할 수 없다. 6. 기업이미지, 고객만족은 경영성과에 영향을 미치지만 종업원만족, 서비스만족은 유의한 영향을 미친다고는 할 수 없다. The purpose of this paper is to investigate quality award's influences on the company image, employee customer satisfaction, customer satisfaction, and management performances of company. The findings are as follows. First, a company awarded with a Duality prize has more favorable company image. Second, a company image influences on the product and service satisfaction of customer. Third, favorable company image increases employee satisfaction. Fourth, both product satisfactions of customer and employee satisfaction influence on management performances while service satisfaction does not. Fifth, winning a quality prize influences on management performances by moderating product and employee satisfaction, but there was no significant relation between the quality prize winning and management performances by moderating services and employee satisfaction. Finally, the company image affects customer satisfaction, but no significant relation was found between the employee and service satisfaction and performances.
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인터넷망 상호접속의 국내 주요이슈 도출과 이슈별 개선방안
정충영,변재호,Jung, Choong Young,Byun, Jae Ho 한국정보통신학회 2015 한국정보통신학회논문지 Vol.19 No.1
인터넷 트래픽의 급증으로 네트워크를 제공하는 사업자인 ISP에게는 망투자비용의 회수가 중요한 이슈가 되고 있다. 망투자 비용의 회수와 관련해서는 인터넷망 중립성 논란과 관련하여 ISP와 CP간 사업자간 첨예하게 대립되고 있다. 따라서 ISP와 CP간 망대가 산정을 인터넷망간 상호접속관점에서 이 문제를 분석할 필요가 있다. 또한 인터넷망 접속과 관련하여 기존 인터넷망 사업자간에도 인터넷망 상호접속제도에 대한 개선마련이 중요해지고 있다. 본 연구에서는 현재 예상되는 주요 이슈들을 정리하고 각 이슈에 대해 현재의 현황과 문제점들을 중심으로 향후 개선방안을 제시할 것이다. 이를 위해 인터넷 상호접속 규제관련 국내 법제도 현황과 해외동향을 살펴보고 개선방안 마련에 필요한 시사점을 도출한다. This paper discusses current internet interconnection issues according to radical changes of internet traffic pattern. In this context, the recovery of network investment cost for network provider becomes hot issue. For recovery issues of investment cost, there are many disputes among stake holders. Therefore, it is necessary to investigate this issues in the context of internet interconnection. Also, it is important to develop the current regulation about internet interconnection under traffic changing environments. This paper selects four issues to deal with and analyzes the present situations and problems about these issues, and provides alternatives for internet interconnection corresponding to these four issues.
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정충영 아시아기술혁신학회 2012 Asian Journal of Innovation and Policy Vol.1 No.2
This paper analyzes the impact of the change in telecommunication regulation changes including the unification of telecommunication service on network investment. The unification of telecommunication service plays a role of separating behavior regulation from entrance regulation and reducing entrance constraints. Therefore, it is expected that the market spillover effect is high through the improvement of behavior regulation. In addition, the effects of the other regulation changes in the 2010 Telecommunications Business Act revision are analyzed. This paper discusses critical factors affecting the decision making process in respect to the firm level and analyzes the impact path guiding investment and innovation. The key findings are as follows. First, the impact of entrance deregulation depends on the intensity of deregulation. If the intensity is not high, this regulation increases the incentive on investment and innovation. However, if the intensity is high as shown in abolishing of licensing, it affects the incentive negatively. Second, if interconnection regulation focuses on existing facilities or the intensity is not strong, this light handed regulation might increase investment and innovation. However, if interconnection obligation is expanded to the facility not constructed or the facility applying new technology, this regulation might deteriorate investment. Third, price deregulation increases the competition of service but it also increases the business opportunity, which means positive effect on investment. Finally, the paper proposes the guideline for telecommunications policy.
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