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이성근(SeongKeun Yi),김재욱(Jaewook Kim),이서구(Seo-koo Lee) 한국유통학회 2005 流通硏究 Vol.10 No.3
본 연구에서는 시장세분화의 기준들이 가질 수 있는 다차원적인 특성들을 고려하여 시장세분화를 순차적으로 접근하였다. 소비자들이 유통형태를 선택할 때 추구하는 혜택을 중심으로 순차적 세분화를 분석하기 위하여 서울시내의 20세 이상 55세 미만의 가정주부들이 모집단으로 정의되고, 이 중에서 할당추출방법에 의해 수집된 1000명의 표본이 이용되었다. 애프터서비스 추구혜택 세분시장 이외에 4개의 세분시장을 각 세분시장의 1차 추구혜택변수에 부가된 2차적 혜택변수를 기준으로 군집분석을 실시한 결과, 각 세분시장은 2개의 또 다른 하위세분시장으로 나누어졌다. 끝으로 이러한 결과의 시사점이 논의되고 연구의 한계점과 미래의 연구방향이 제시되었다. Market segmentation has been an important issue in marketing for a long time. Many models and statistical methods have been developed by many scholars. The purpose of this research provides one insight for market segmentation based on clustering technique in channel benefit sought. We proposed a sequential approach in market segmentation. A sequential approach means that we do market segmentation by multi-stage method based on the benefits sought in marketing channel. To achieve this approach, we divided the main benefits sought into subcategories. That is to say, after dividing each benefit sought into more detailed concepts, we did market segmentation sequentially.
소매점의 입지특성과 점두판촉이 소매점성과에 미치는 영향
이성근(Sung-Keun Yi),최지호(Ji ho Choi) 한국유통학회 2005 流通硏究 Vol.10 No.1
본 연구는 우리나라 통신서비스 소매점의 성과에 미치는 영향요인을 규명하는데 있다. 선행연구들이 소매점의 선택에 영향을 미치는 요인들을 규범적으로 제시하고, 그 요인들이 어떻게 분류되고, 성과에 미치는 영향을 주로 소비자들의 점포선택과 충성도라는 측면에서 진행되어 왔다면, 소매점의 입지환경을 관찰에 의하여 측정하고, 다시 관찰된 소매점의 성과인 방문고객의 수와 관련하여 연구하였다는 점에서 선행연구와 큰 차이가 있다. 소매점의 성과에 미치는 변수로서는 선행연구 결과와 앞서 언급한 우리나라 통신서비스 소매점의 특성을 고려하여 유동인구, 소매점 시계성, 경쟁점포의 수, 점포의 크기, 가판대 설치, 판촉 행사라는 6개의 변수를 선정하여, 이들 변수들이 소매점의 성과라 할 수 있는 소매점 방문고객의 수에 어떻게 영향을 주는 가를 분석하였다. 소매입지 요인과 점두마케팅 요인 중 어떠한 요인들이 소매점의 성과에 영향을 줄것인가를 분석한 결과, 점두유동인구, 점포 시계성, 점포의 크기는 5%의 유의 수준에서 소매점의 방문고객의 수에 긍정적인 영향을 주는 것으로, 가판대설치, 판촉행사는 10%의 유의수준에서 긍정적인 영향을 주는 것으로 나타났으나, 경쟁점포의 수는 영향을 주지 않는 것으로 확인되었다. 끝으로 이러한 결과의 이론적 및 실무적 시사점이 논의되고, 연구의 한계점과 미래의 연구방향이 제시되었다. The purpose of this research is to find out what factors have an effect on the retailer's performance. Most of the former researches in the similar fields performed their study based on the customers reasons for revisiting or store loyalty. But this research has been done not based on the customer but based on the retailers. It means that the data was collected from individual retailer. Considering the former research and characteristics of the franchisee retailers, size of temporal population around the retailers, visibility of the retailer, competition situation, out-door promotion, street shelf, size of the retailer were selected as factors affecting on the retailers performance. As a performance variable, number of visitors happened to observation period. Data collection was performed through the observation of the retail circumstance and interview with the retailers owner. As meaningful variables affecting on the retailers performance, size of temporal population around the retailers, visibility of the retailer were found in the 5% significance level, and out-door promotion, street shelf, size of the retailer in the 10% significance level, whereas competition situation did not have effect on retailers performance. Finally, we discuss several theoretical and practical implications, and suggest limitations for the research and future research issue.
허명회,이용구,이성근,Huh, Myung-Hoe,Lee, Yong-Goo,Yi, Seong-Keun 한국통계학회 2007 응용통계연구 Vol.20 No.2
PLS methods are suited for regressing q-variate Y variables on p-variate X variables even in the presence of multicollinearity problem among X variables. Consequently, they are useful for analyzing datasets with smaller number of observations compared to the number of variables, such as NIR(near-infrared) spectroscopy data in chemometrics. In this study, we propose two visualizing methods of p-variate X variables and q-variate Y variable that can be used in connection with PLS analysis.
영종도 파라다이스시티 복합 리조트 개발이 지역 경제에 미치는 영향 분석
최진이(Choi, Jin-Yi),이성근(Lee, Sung-Gun) 한국부동산정책학회 2018 不動産政策硏究 Vol.19 No.2
The integrated resort is expected to have greater impact on the local economy by building infrastructure, including lodging, convention, shopping, restaurants, theme parks and performances, than on the simple casino hotel. The purpose of the project is to analyze the economic effects of the follow-up project in Incheon Paradise City. The research method was drawn by applying the regional industrial survey table and the input-output model, and the economic ripple effects were analyzed based on Incheon and Jung-gu. The analysis showed that the economic effect in Incheon City was 788.1 billion won for production inducement effects. The value added effect was estimated to be around 522.7 billion won, which could create 588 new employees within Incheon. The main implications of this study are : First, the integrated resortt industry has a huge ripple effect on the amount of investment. This proves that the integrated resort industry has a high income and employment capacity. Second, the integrated resort industry has excellent employment inducement and can contribute to creating youth jobs (dealers, hotel and resort management staff, etc.) that can be specialized through education. Third, the integrated resort industry has a large impact on the entire industry in terms of the related industry and can expect effects from its future operations.
양자화학계산을 이용한 Si-O 결합길이가 MgSiO₃ 페로브스카이트의 X-선 Raman 산란 스펙트럼에 미치는 영향에 대한 연구
이유수 ( Yoo Soo Yi ),이성근 ( Sung Keun Lee ) 한국광물학회 2014 광물과 암석 (J.Miner.Soc.Korea) Vol.27 No.1
Probing the electronic structures of crystalline Mg-silicates at high pressure is essential for understanding the various macroscopic properties of mantle materials in Earth`s interior. Quantum chemical calculations based on the density functional theory are used to explore the atomic configuration and electronic structures of Earth materials at high pressure. Here, we calculate the partial density of states (PDOS) and O K-edge energy-loss near-edge structure (ELNES) spectra for MgSiO3 perovskite at 25 GPa and 120 GPa using the WIEN2k program based on the full-potential linearized projected augmented wave (FP-LPAW) method. The calculated PDOS and O K-edge ELNES spectra for MgSiO3 Pv show significant pressure-induced changes in their characteristic spectral features and relative peak intensity. These changes in spectral features of MgSiO3 Pv indicate that the pressure-induced changes in local atomic configuration around O atoms such as Si-O, O-O, and Mg-O length can induce the significant changes on the local electronic structures around O atoms. The result also indicates that the significant changes in O K-edge features can results from the topological densification at constant Si coordination number. This study can provide a unique opportunity to understand the atomistic origins of pressure-induced changes in local electronic structures of crystalline and amorphous MgSiO3 at high pressure more systematically.