• 산학경영연구
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• 제15권
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• pp.99-114
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• 2002

최근에 e-Business에 관한 여러 가지 사업모델이 발표되고 있다. 그러나 각자의 사업환경이 상이하기 때문에 각각 주어진 여건에 적합한 사업모델이 요구된다. 즉, 자본의 규모, 기술력, 정보수집능력과 정보량, 이익이나 목표고객 등의 여건을 고려한 e-Business모델을 개발할 필요성이 있다. e-Business 기업의 가치를 창출하는 방법은 여러 가지가 있을 수 있다. 그 중에서도 기업의 핵심역량을 강화하여 일부분만 성장 발전시키는 방법이 있을 수 있다. 이는 기업의 제한된 제약조건하에 상대적 경쟁우위에 있는 핵심역량부분에 차별적으로 집중하기 위한 적정 생산 투자수준을 찾아내는 문제로 전환하여 투자의 우선 순위를 모색할 수도 있을 것이다. 본 연구는 불명확한 정보를 이용하여 의사결정을 할 때 효과적으로 투자 우선 순위를 결정하기 위한 방법을 제안하고 있다. 그 방법으로써 FGP(fuzzy goal programming)문제에 대한 허용공차를 최소화하는 모형을 제시한다.

• 한국국방경영분석학회지
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• 제35권2호
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• pp.99-117
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• 2009

에너지는 기업이 생산활동을 하는데 필수불가결한 요소이다. 그렇다면 에너지 가격이 상승할 때 기업의 이윤이 감소하지 않기 위한 조건은 무엇인가? 결론적으로 말해서 에너지 가격 변화율에 따른 생산성 향상 변화율이 총매출액 대비 에너지 비용보다 클 경우 기업은 에너지 가격의 상승으로 인한 충격을 피할 수 있다. 또한 기업이 에너지 비용을 낮춘다는 것은 에너지 효율성을 향상시킨다는 것이다. 이에 본 연구에서는 우리나라 제조업에서 유가의 상승이 에너지절약투자에 미치는 영향과 에너지절약투자가 에너지효율성에 미치는 영향을 분석하였다. 이를 통해서 에너지 가격의 상승에 따른 에너지 효율성의 변화와 그 요인을 함께 분석할 수 있다는 데에 본 연구의 의의를 두고자 한다.

• 한국산림과학회지
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• 제110권3호
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• pp.453-461
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• 2021

기후변화 대응과 탄소중립 실현을 위해 산림 바이오매스의 에너지 이용은 중요한 과제이다. 이 연구의 목적은 목재칩 보일러를 주력으로 사용하는 산림에너지자립마을의 투자 타당성을 분석하고 시설의 지속적 운영을 위해 필요한 적정열 보조금 수준을 산출하는 데 있다. 분석을 위해 순현재가치법과 선택의 유연성을 고려한 콜옵션 가격결정모형을 이용하였다. 분석결과에 따르면, 현재와 같이 국비 50%를 지원하고 전력에만 REC를 인정하면 산림에너지자립마을의 순현재가치와 내부수익률은 모두 음(-)이며, 실물옵션 모형으로 평가한 투자가치도 0으로 나타났다. 따라서 에너지 시설의 지속적 가동을 위해 정부 보조금이 필요하다. 시뮬레이션을 통해 사업의 옵션가치를 0보다 크게 만드는 열보조금 수준을 도출하였는데, 최소 0.0248원/kcal으로 나타났다.

• 국제지역연구
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• 제17권4호
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• pp.43-63
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• 2013

이 논문은 한국이 체결한 자유무역협정(FTA)이 해외직접투자를 추진하고 있는 한국기업들의 생산성에 어떠한 영향을 미치는 가를 분석하기 위해 작성되었다. 특히 기업규모에 따라 영향의 차별이 나타나는지를 보기 위해서 기업대상을 대기업과 중소기업으로 나누어서 FTA 체결을 전후로 총요소생산성의 변화가 나타나는지를 조사하였다. 조사기간은 2002년부터 2010년까지로 하고 국내 모기업과 해외 현지법인의 기업별 자료를 이용하였다. 분석결과 FTA를 체결한 나라들에 투자한 한국기업들 중 중소기업의 모회사와 해외현지법인은 FTA 발효후 생산성이 상승하는 것으로 나타났고, 대기업의 경우는 유의성을 발견하지 못하였다. 이는 자유무역협정이 대기업에 유리한 영향을 줄 것이라는 일반적인 견해와 다른 것이다. 중소기업의 생산성이 상승한 배경에는 FTA 발효이후 모회사는 자본집약적 성향이 더 강해졌고, 해외현지법인의 경우는 한국으로의 수출이 증가한 것 등이 작용하고 있음을 발견하였다.

• 대한건축학회논문집:구조계
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• 제35권3호
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• pp.43-48
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• 2019

Since the revision of the Rationalization of Energy Use Law, the spread of new and renewable energy in buildings has been promoted. In addition, the production of electric power and thermal energy is an important issue in the change of energy paradigm centered on the use of distributed energy. Among them, geothermal energy is attracting attention as a high-performance energy-saving technology capable of coping with heating / cooling and hot water load by utilizing the constant temperature zone of the earth. However, there is a disadvantage that the initial investment cost is high as a method of calculating the capacity of a geothermal facility by calculating the maximum load. The disadvantages of these disadvantages are that the geothermal energy supply is getting stagnant and the design of the geothermal system needs to be supplemented. In this study, optimization design of geothermal system was carried out using optimization tool. As a result of the optimization, the ground heat exchanger decreased by 30.8%, the capacity of the heat pump decreased by 7.7%, and the capacity of the heat storage tank decreased by about 40%. The simulation was performed by applying the optimized value to the program and confirmed that it corresponds to the load of the building. We also confirmed that all of the constraints used in the optimization design were satisfied. The initial investment cost of the optimized geothermal system is about 18.6% lower than the initial investment cost.

• 한국항만경제학회지
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• 제20권1호
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• pp.123-140
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• 2004

With the globalization of economy, there is keen competition among rountries to be a logistics hub and companies are striving to be first in establishing logistics system centering on advantageous sites, especially airport and seaports, to perform supply, production and distribution. Korea competing with Northeast Asia countries is also working out strategies in order to make Korea peninsula a logistics center of Northeast Asia taking advantage of its geographical strength. Gwangyang port has designated as Free Economic Zone together with Pusan and Jinhae, Incheon from October 24th, 2003. However, the introduction of Free Economic Zone in Korea lagged behind other major countries and it has a lot of operational problems. Approximately 600 areas worldwide are designated and operated as a Free Economic Zone and Gwangyang port and its surrounding area has several points to be settled as one of FEZ. First one is its limited functions and related laws. Next is imperfection on development, investment and management system of the hinterland. Lark of promotion activities could be one of the problems. This paper analyzes the above problems and presents various measures to activate Gwangyang Port and Gwangyang Free Economic Zone as follows Benchmarking to promote Gwangyang Free Economic Zone as follows Benchmarking other countries' system, governmental support, introduction & logistics functions, early development of the hinterland, supply of effective one-stop service, investment attraction into the area and diversified promotion & marketing activities.

• Ocean and Polar Research
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• 제28권1호
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• pp.25-35
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• 2006

Fisheries buyback programs have been implemented from 1994 in Korea, and its scale is estimated to have a value of 930 billion won, which is compounded for eight years since 1994. The paper evaluates the programs' economic and financial viability, and predicts efficient ways about how much and how long to reduce fisheries vessels so as to pursue a target biomass at MSY, For the specific purpose of the paper, aggregate fisheries stock dynamics and catch functions are specified and estimated by yearly catch and fishing effort data from 1970 to 2001, using ASPIC model and Schaefer's logistic production model. Results show that the fisheries stock in Korea has steadily declined since 1970, and that Korean fisheries overexploitation has steadily increased. Using cost-benefit analysis method, the buyback program holds the economic and financial feasibility even if the scale of buyback programs is not sufficient to avoid the downward trend in fisheries stock and harvest. The potential investment scale is predicted in several alternative scenarios using the sensitivity analysis method. The results recommend the annual reduction of 46%, 12% or 20% for the next one year, five years or three years, respectively so that the target biomass at MSY may be reached in 25 years.

• 산업경영시스템학회지
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• 제35권1호
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• pp.87-92
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• 2012

This study examines the relationship between R&D investment and subsequent outputs of the research activity. Usually, there is some time difference between the production of research outputs, such as academic papers and application or registration of patents, and the investment of R&D expenditure. The time lag for producing this kind of research outputs should be considered to evaluate the performance of research activity exactly. The purpose of this study is to identify time lag effect between the times of input and output of a R&D activity and to derive the degree of time lag using the data set of a long term R&D program supported by Korean government. A modified Almon model is suggested to identify the time lag effect between input and output of research activities performed by this program. Time-series cross-section data from 16 research centers between 2001 and 2009 are used to find time lag effect.

• 한국가구학회지
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• 제14권1호
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• pp.35-45
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• 2003

It has shown that the investment on the new products have a direct influence on the price of manufactured goods. This brings about a point, which has been a common problem for many Korean enterprises. That is Korean products can only its international competitiveness from the price, not quality. Our industry has shown its movement from producing cheap, low quality products to creating somewhat more advanced and higher qualify products. However the industry cannot avoid the financial burden from the investment. Just like the title of this article, for existing the 3D-MODELING, the 3D-CAD is existed first has immediate effect on the many developing processes, such as planning a product, designing, and producing. The development of the furniture design in the future will be done in the same way as this article presents. This will have a great effect on the overall productivity. (Time, cost, efficiency and etc). The simulation experiment on this article is based on the idea of development of industry, forms the immediate constituent for the prediction related to the production development, marketing and the trend. Which means, this will play an important part where companies achieve satisfaction from the marketing part and the economy.

• 가족자원경영과 정책
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• 제12권4호
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• pp.1-13
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• 2008

The purpose of this study is to analyze and assess the family policy of the Lee administration and to suggest agendas for sustainable future family policy. Traditionally, families are a unique unit of production and reproduction of family members and social laborers. In addition, families are the social safety net help people survive in a society. Therefore, family policies play an important role in contemporary society. In this context, we review the literature related to family and social policy, and the contents of Ministry for Health, Welfare and Family Affairs, which is the main authority in Korea. The results are as follow: Firstly, the Lee administration ignored the data showing that family policy should be a unique policy, and not a sub-division of welfare policy. Secondly, there is no difference between the active welfare policy of the Lee administration and policies of past administrations. Finally, this study suggests that subjects of future oriented family policy should focus on co-developing programs for the individual, family, and society, to develop problem-prevention and family needs- ordered policy, and to make integrated family policy through laws and delivery systems such as Healthy Family Centers.