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김흥규 한국산업경영시스템학회 2006 한국산업경영시스템학회지 Vol.29 No.3
In this paper, an approach for analyzing brand loyalty and brand switching behavior in car insurance market is presented. A two-choice model by Blumen, et al. that uses Markov chain is adopted as a main technique for estimating brand parameters. Survey data have been collected through personal interviews with questionnaires. Following the application of the model to the data, it is found that there are five leading companies in car insurance market where the number of potential brand switchers is larger than that of brand loyal customers. Therefore, differentiation of this product along with the conversion of this low-involvement product to a high-involvement one could make car insurance stand out against a somewhat undifferentiated field of competitors.
김흥규,오세정 한국주관성연구학회 2008 주관성연구 Vol.- No.16
While market in the past meant the place where things were exchanged, now it is changing to the space for new experience and excitement. This changes are happening in the residence like apartment and office, and public facilities like airport and museum as well as commercial space like department, cafe, and restaurant. People seldomly go to a cafe just for drinking coffee. They might perceive the space in terms of subjective factors based on taste, want, expectation, gratification, and the like. This Q methodological study identified 5 factors in the schemata: (1) the Ritual Space, a refuge for the spiritual rest and festival, (2) the Meditative Space for concentration or seclusion, (3) the Multifunctional Space for the various cultural experiences, (4) the Status-conferral Space expressing the values and self-image, and (5) the Open Space connected to the outer world.
김흥규 한국산업경영시스템학회 2008 한국산업경영시스템학회지 Vol.31 No.1
기업이 수요에서 자기상관을 인식하지 못하게 되면, 이 기업은 수요가 서로 독립이면서 동일한 분포를 따른다는 가정 하에 개발된 전통적인 재고주문방법을 시행하게 된다. 따라서 이 경우에 안전재고량, 재고부족 확률, 재고부족량 등과 같은 성과지표의 관점에서 전통적인 재고주문방법이 정확한 재고주문방법에 비하여 얼마만큼 비효율적인가를 알아보는 것은 기업경영의 측면에서 의미 있는 일이다. 이 논문에서는 정기주문시스템 하에서의 두 가지 재고관리방법을 비교하기 위한 수리적 모형을 개발하고 이를 통하여 어떠한 상황 하에서 정확한 재고주문방법이 전통적인 재고주문방법에 비하여 더 절실한지를 살펴본다.
DEA를 활용한 R&D 프로젝트의 효율성 비교 : 산업기술사업을 중심으로
김흥규,강원진,배진희 한국산업경영시스템학회 2015 한국산업경영시스템학회지 Vol.38 No.3
In this paper, scale efficiencies and relative efficiencies of R&D projects in Industrial Technology Program, sponsored by Ministry of Trade, Industry and Energy, Korea, are calculated and compared. For the process, various DEA (Data Envelopment Analysis) models are adopted as major techniques. For DEA, two stage input oriented models are utilized for calculating the efficiencies. Next, the calculated efficiencies are grouped according to their subprograms (Industrial Material, IT Fusion, Nano Fusion, Energy Resources, and Resources Technology) and recipient types (Public Enterprise, Large Enterprise, Medium Enterprise, Small Enterprise, Lab., Univ., and etc.) respectively. Then various subprograms and recipient types are compared in terms of scale efficiencies (CCR models) and relative efficiencies (BCC models). In addition, the correlation between the 1st stage relative efficiencies and the 2nd stage relative efficiencies is calculated, from which the causal relationship between them can be inferred. Statistical analysis shows that the amount of input, in general, should increase in order to be scale efficient (CCR models) regardless of the subprograms and recipient types, that the 1st and 2nd stage relative efficiencies are different in terms of the programs and recipient types (BCC models), and that there is no significant correlation between the 1st stage relative efficiencies and the 2nd stage relative efficiencies. However, the results should be used only as reference because the goal each and every subprogram has is different and the situation each and every recipient type faces is different. In addition, the causal link between the 1st stage relative efficiencies and the 2nd relative efficiencies is not considered, which, in turn, is the limitation of this paper.