• Journal of Korea Port Economic Association
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• v.33 no.1
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• pp.75-87
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• 2017

The purpose of this study is to utilize the system dynamics to carry out a medium and long-term forecasting analysis of the bunker price. In order to secure accurate bunker price forecast, a quantitative analysis was established based on the casual loop diagram between various variables that affects bunker price. Based on various configuration variables such as crude oil price which affects crude oil consumption & production, GDP and exchange rate which influences economic changes and freight rate which is decided by supply and demand in shipping and logistic market were used in accordance with System Dynamics to forecast bunker price and then objectivity was verified through MAPEs. Based on the result of this study, bunker price is expected to rise until 2029 compared to 2016 but it will not be near the surge sighted in 2012. This study holds value in two ways. First, it supports shipping companies to efficiently manage its fleet, offering comprehensive bunker price risk management by presenting structural relationship between various variables affecting bunker price. Second, rational result derived from bunker price forecast by utilizing dynamic casual loop between various variables.

• Journal of the Korean Society of Clothing and Textiles
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• v.7 no.2
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• pp.45-52
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• 1983

The purpose of this study was to investigate between locus of control, body cathexis and four aspects of clothing behavior. Locus of control was measured by Rotter's The Internal-External Scale and body cathexis by Secord and Jourard's Body Cathexis Scale. Two aspects of clothing behavior were assessed with Lee's questionnaires dealing with status symbol and clothing satisfaction. Clothing Acceptance I was determined with questionnaires designed to measure the acceptance of color and casual wear and Clothing Acceptance II by line drawings of clothing representing formal type, informal type, and new mode type designed to measure the acceptance of business suits. The questionnaires in this study were administered to a sample of men (between 20 to more than 60 years of age) in Seoul. The data from 303 respondents were analyzed. The results were: 1) Locus of control was not related to Clothing Acceptance I(acceptance of color and casual wear), but positively related to Clothing Acceptance II(acceptance of business suit), that is, the persons having wider latitudes of acceptance in business suits were internally controlled in locus of control. 2) Locus of control was negatively related to status symbol, that is, the persons having higher concepts in status symbol were externally controlled in locus of control. 3) Body cathexis was positively related to clothing satisfaction, that is, the persons having higher satisfaction toward their clothing were more satisfied with their body.

• Journal of the Korean Society of Clothing and Textiles
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• v.30 no.5 s.153
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• pp.788-799
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• 2006

The purpose of this study was to analyze fashion merchandising process, to apply customer information in merchandising process and to examine customer management strategies of fashion industry in on-line and off-line channel. In depth, face to face interviews with structured questionnaires were conducted with MD and customer managers from selected 4 brands, one from each categories of men's, women's, casual and sports wear. Key findings of the study were as follows: First, they followed fashion merchandising process of 18 steps and collected trend information and sales data were applied to planning, selling/promoting process to plan season concept, design, and promotion activity. Second, commonly applied customer information types in fashion merchandising process were all from indirect information collected from sales data and forecasting companies. However, casual and sports wear conducted consumer monitoring activity f3r collecting customer data directly from customer participation. Third, in off-line channel, customers are segmented by amount of purchase they make in a specific time period and all the categories show high interest in valuable customers. However, only men's and woman's wear conducted promotion activities for valuable customers as a differentiated marketing strategy. In on-line channel, companies were interacting with the customers through internet web site to determine their demands. In conclusion, this study has significance in that it propose the necessity and strategy of differentiated customer management approaching by analyzing and comparing fashion merchandising activity process cases.

• Journal of the Korean Institute of Intelligent Systems
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• v.26 no.6
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• pp.458-463
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• 2016

In this paper, the fuzzy structure model for the consciousness structure of social workers related to the elder abuse factors was derived and analyzed. The characteristics of the model was obtained as follows. First, the elder abuse behavior at the top layer was related to the attitude of the elderly and the work overload of social workers. Second, the attitude of the elderly and the work overload of social workers at the middle layer were related to the personality of social worker, the physical and mental dependency of client, and the personality of client. Third, the personality of social worker, the knowledge of the elderly, the personality of client, and the physical and psychological dependence of the client affected directly the elder abuse behavior without going through the middle layer. Fourth, the work overload of social workers at the middle layer was affected the attitude of the elderly. Finally, the age of social workers, the working image, the job training, and provision of punishment to the social workers were the isolated layer, in which the relationship between the elder abuse behavior and related factors was not found.

• Journal of the Korea Institute of Building Construction
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• v.8 no.2
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• pp.89-97
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• 2008

This study has provided the answer which construction companies to make complete competitive factors for sustainable growth in construction industry with to 21C environment changes. So the purpose of study is to provide a guideline for establishing the strategy of existence and growth. In order to carry out this purpose of study, above all after has been reviewed Quality Management by considering the characteristics of construction companies, TQM component and business performance, the study has been made a close inquiry in causal relationship between TQM component(leadership, participation, education-training) and business performance(safety) in construction industry. The result of the study can be summarized as follows : First, a test was conducted to whether TQM component(participation) has a significantly positive effect on business performance(safety). Second, it was found that there was a positive casual relationship between each of the TQM factors and business performance(safety). TQM(Total Quality Management) factors had great influences on the business performance of construction companies. So construction companies needed to make continuous efforts to enhance the business performance through TQM approach.

• Korean Journal of Childcare and Education
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• v.7 no.4
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• pp.119-137
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• 2011

This study examines the casual relationship between Sense of humor of teachers in childcare center and empowerment and job performance. The subjects of this study were 645 educare teachers from Seoul, Gyeonggi-do, Chungcheng-do, and Jeonra-do. Spss version 18.0 and Amos 16.0 were used to analyze the date. The result of analysis showed that Sense of humor of teachers in childcare center has positive effect on both their empowerment and job performance, and it creates bigger total effect on their job performance through the mediation of their empowerment.

• Journal of Korean Academy of Nursing
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• v.35 no.3
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• pp.494-502
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• 2005

Purpose: This study was to evaluate the casual relationship between the factors in the Pender's model and to explain health promoting behaviors among middle-aged women in order to facilitate nursing interventions for this population group. Method: 116 women between 40$\~$60 years old living in Incheon were asked to complete a questionnaire about their health. The data was collected between March and November, 2003. The data was analyzed by descriptive statistics and the correctional analysis SPSSWIN 11.5 program. The LISREL 8.12 program was used to find the best fit model which explained a causal relationship of the variables. Results: The climacteric symptoms of middle-aged women negatively correlated with health promoting behaviors. However, marital satisfaction positively correlated with health promoting behaviors. Conclusion: Marital satisfaction and climacteric symptoms had an effect on health promoting behaviors. Therefore, based on this study, we plan to develop a health education program to decrease climacteric symptoms and to promote marital satisfaction for health promotion.

• The Journal of Industrial Distribution & Business
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• v.10 no.1
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• pp.29-37
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• 2019

Purpose - We study the dynamic linkages of the economic policy uncertainty (EPU) in the US on the manufacturing stock market returns in Korea. In detail, we examine the casual link between EPU index in the US and the manufacturing stock indexes in Korea. Research design, data, and methodology - We measure mainly the distribution effect of the US EPU on the manufacturing stock market in Korea of 1990-2017 by the vector error correction model (VECM). Result - In result, we estimate the impact of the US EPU index has significantly a negative response to the manufacturing stock market in Korea such as non-metal stock index, chemical stock index, food stock index, textile·clothes stock index, automobile·shipbuilding stock index, machinery stock index, steel·metal stock index. Also the remaining variables such as electric·electronics stock index, S&P 500, and producer price index in Korea have a negative relationship with US EPU index. Conclusions - We find out that the relationship between EPU index of the US and the manufacturing stock market in Korea has the negative relationships. We determine the EPU of the US has the spillover effect on the industry stock markets in Korea.

• The Journal of The Korea Institute of Intelligent Transport Systems
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• v.8 no.1
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• pp.1-8
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• 2009

This paper aims mainly to reinterpretate Optimal Bus Scheduling Model by applying System Dynamics Perspective. Traditionally, the study regarding Optimal Bus Scheduling Model stems on the linear relationshp. However, this paper attempted to convert linear relationship based Optimal Bus Scheduling Model to causal loop perspective based Model. In result, the paper present Casual Loop Diagram for Optimal Bus Scheduling Model. Furthermore, the paper also ran a simulation based on Stock & Flow Diagram for Optimal Bus Scheduling Model. The outcome was not much different from the linear relationship based Model due to the similarity of the equation applied on two models.

• Korean Journal of Human Ecology
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• v.18 no.6
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• pp.1277-1288
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• 2009

Building strong brand equity has been the most effective method to extend market share and ensure profits. Brand extension strategy by using well-established mother brand names also becomes the most efficient way to enter a new market. The first objective of this study is to conceptualize and evaluate fashion brand equity. The next purpose is to investigate the relationship between mother brand equity and extended brand attitude. The survey was conducted from the 15th to the 26th of June 2009. We conducted a survey with 200 university students and 182 samples were analyzed. The data was analyzed by SPSS 12.0 with reliability analysis, frequency analysis, factor analysis, regression analysis and One-way ANOVA analysis. The results of this study are as follows. Firstly, the factors of brand equity based on customers were "Brand Satisfaction", "Brand Reliability", "Brand Personality/Value", "Brand Characteristic", and "Brand Edge". Secondly, the order of brand equity based on customers in this study was Polo, Beanpole and Tommy Hilfiger. Lastly, results revealed that brand extension was positively influenced by all factors of mother brand equity.