• Title/Summary/Keyword: Energy economy

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The Economic Impact of the Smart Grid Industry by using Input-Output Analysis (산업연관분석을 활용한 스마트그리드산업의 경제적 파급효과)

  • Kim, You-Jin;Cho, Byung-Sun;Sim, Jin-Bo
    • The Journal of Korean Institute of Communications and Information Sciences
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    • v.35 no.8B
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    • pp.1241-1250
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    • 2010
  • With the expanding concept of Smart Grid, it is widely used by mixing with various industries, and therefore the potential and value of Smart Grid should be verified and evaluated. To this end, this study is conducted to look at industrial fields that can be expanded by mixing with Smart Grid, and based on it, draw an economic ripple effect of the Smart Grid industry. To grasp the spread direction of the Smart Grid industry, Our study focused on Smart Grid participants and new businesses that can be derived. Through this, energy, construction, home appliances, and automobile industries are selected as convergence businesses. Our study estimated an economic effect by drawing generation rates from input-output tables that applies the selected industry fields and Korean projections. According to the result, effect on total production inducement will be about 77 trillion won, effect on total value added inducement will be about 24 trillion won, and effect on total employment inducement will be about 31 trillion won. Through this, various functions of Smart Grid and the ripple effects on national economy could be expected.

A Way to Enhance Efficiency of Nuclear Program in Korean R&D Program by Data Envelopment Analysis (자료포락분석법을 활용한 국가연구개발사업의 효율성 분석 - 원자력연구개발사업을 중심으로 -)

  • Kim, Tae-Hee;Kim, In-Ho;Ahn, Sung-Bong;Lee, Kye-Suk
    • Journal of Korea Technology Innovation Society
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    • v.12 no.1
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    • pp.70-87
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    • 2009
  • This paper studies the efficiency of public sector confronting with increasing oil price, economy crisis and energy-environment problems. In consideration that efficiency of national R&D program has been subjectively evaluated, this paper focuses objective validity by relative efficiency through a comparison among R&D programs in Korea. To implement this study, data published in national reports on R&D programs is used and analyzing method is induced by related books and theories. At the result of Data Envelopment Analysis on the collected data, this paper suggests the way to enhance the efficiency of nuclear R&D program. This study is the first on efficiency of national R&D programs applied DEA methods and is expected to contribute exploring the more efficient way of program management if more sophisticated DEA could be developed and applied.

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A Study on the Development Processes for Digital Contents in the Animation Industry (국내 애니메이션 기업의 애니메이션 콘텐츠 개발과정에 관한 연구)

  • Lee, Han-Chul;Jung, Jai-Jin
    • Journal of Korea Multimedia Society
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    • v.10 no.2
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    • pp.246-259
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    • 2007
  • The animation industry, which accelerates the overall development of the Digital contents industry, is a high value-added industry that produces synergy effects in cooperation with key industries such as IT. Effectively serving as a vital energy source for the Korean economy through its positive effects, such as employment creation. In particular, there is the real prospect that the Korean animation industry will gain ground in overseas markets and thus occupy them ahead of others, by advancing overseas in uni son with the hypersonic network industry. In this regard, this study aims to suggest some concrete ways in which to Korean animation companies can enhance their competitiveness. This is accomplished by positively verifying that some major representative methods of competitiveness enhancement, whose effectiveness has been proved in existing manufacturing and production systems. a re also excellently effective for the animation enterprise. In effect, the study has positively applied and carried out such research on Korean animation enterprises.

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Research and Development of a Light-Duty DME Truck Using Common Rail Fuel Injection Systems (커먼레일 연료분사 시스템을 장착한 경량 DME 트럭의 연구 및 개발)

  • Jeong, Soo-Jin;Chon, Mun Soo;Park, Jung-Kwon
    • Journal of Institute of Convergence Technology
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    • v.2 no.1
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    • pp.24-30
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    • 2012
  • In this study, the trucks(2.9-liter) have been developed to use DME as fuel, and performance test of the vehicle's DME engine, power, emissions, fuel economy and vehicle aspects was conducted. For experiments, the fuel system(common-rail injectors and high-pressure pump included) and the engine control logic was developed, and ECU mapping was performed. As a result, the rail pressure from 40MPa to approximately 65% increase compared to the base injector has been confirmed that. Also, the pump discharge flow is 15.5 kg/h when the fuel rail pressure is 400rpm(40 MPa), and the pump discharge flow is 92.1 kg/h when the fuel rail pressure is 2,000rpm(40MPa). The maximum value of full-load torque capability is 25.5kgfm(based on 2,000rpm), and more than 90% compared to the level of the diesel engine were obtained. The DME vehicle was developed in this study, 120 km/h can drive to the stable, and calculated in accordance with the carbon-balance method of fuel consumptions is 5.7 km/L.

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Relationship between Baltic Dry Index and Crude Oil Market (발틱 운임지수와 원유시장 간의 상호관련성)

  • Choi, Ki-Hong;Kim, Dong-Yoon
    • Journal of Korea Port Economic Association
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    • v.34 no.4
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    • pp.125-140
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    • 2018
  • This study uses daily price data on three major types of crude oil (Brent, Dubai, and WTI) and BDI from January 2, 2009 to June 29, 2018, to compare the relationship between crude oil prices and BDI for rate of change and volatility. Unlike previous studies, the correlation between BDI and crude oil prices was analyzed both the rate of change and variability, VARs, Granger Causality Test, and the GARCH and DCC models were employed. The correlation analysis, indicated that the crude oil price change rate and volatility affect the BDI change rate and that BDI volatility affects the crude oil price change rate and volatility. The relationship between oil prices and BDI is identified, but their correlation is low, which is likely a result of lower dependence on crude oil as demand for natural gas increases worldwide and demand for renewable energy decreases. These trends could result in lower correlations over time. Therefore, focusing on the changing demand for raw materials in future investments in international shipping(real economy) and oil markets and macroeconomic analysis is necessary.

Strategic Value of Hong Kong as a Bridgehead for Entering Chinese Service Market: Focusing on China-Hong Kong CEPA (대중국 서비스업 진출 경유지로서 홍콩의 전략적 가치; 중국-홍콩 경제동반자 협정(CEPA)을 중심으로)

  • Lee, Jongseok
    • Journal of Service Research and Studies
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    • v.8 no.3
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    • pp.1-23
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    • 2018
  • This study suggests a way through Hong Kong as an alternative strategy for Korean companies to enter Chinese service market which is rapidly expanding due to China's recent policy switch toward service economy. Service market is generally more regulated, labor-intensive, and domestic demand-oriented than goods market, which makes opening of domestic markets to foreigners slow. In case of China, market control and regulations by the State is tighter than other economies. Therefore, it is important to find ways to avoid regulations from the Chinese government if possible. In this sense, this study investigates the China-Hong Kong CEPA and draws its strategic value for entering Chinese service market by comparing it with the Korea-China FTA service sector. In addition, utilizing the difference in tax agreements between Korea-China and China-Hong Kong, and the human network of Hong Kong entrepreneurs in China may play an important role in reducing the risk that might arise in China.

Exploring the Applicability of the Appropriate Technology as a Means Endogenous Development of Rural Areas - Focused on Yeonggwang-gun in Jeollanam-do - (내생적 농촌지역발전 수단으로서의 적정기술 적용 가능성 탐색 - 전남 영광군을 사례로 -)

  • Ko, Kyungho;Ann, Byeong-il
    • Journal of Korean Society of Rural Planning
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    • v.25 no.3
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    • pp.45-57
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    • 2019
  • This study aims to explore the policy directions to apply and activate the appropriate technology in rural areas from the perspective of the endogenous and sustainable regional development theories. To this end, according to the analysis framework based on ideas, values, and strategies that are common to both endogenous regional development strategic theories and sustainable regional development theories, in this paper, various surveys and reviews were conducted on the study areas to explore the possibility of localization of the appropriate technology. The policy implications derived from research results are as follows; first, rural areas have high potential and scalability to apply and activate the appropriate technology, particularly in the field of renewable energy, due to their nature based on local resources. Second, for the practical application of the appropriate technology, first of all, together with the establishment of the role of public sector, it is necessary to plan the projects based on the cooperation network of the relevant innovation entities within and outside the regions and to build the implementation systems. Third, the training system for high skilled manpower and indigenous entrepreneurs should be stably built in order to create independent conditions, which are key elements for growth of the appropriate technology. Fourth, there is a need to find the market and establish policies that can solve the typical economic problems of rural areas such as aging population, depopulation and decline in youth, economic unrest. Fifth, in order for the appropriate technology to contribute to socio-economic innovations and the revitalization of the virtuous circle economy in the region, technical items and various business items suitable for the industrial infrastructures and autonomous conditions of rural areas are essential.

Analysis on the Compliance Factors for the Voluntary Surrender of Driver's License for Senior Drivers (고령운전자 운전면허 자진반납 수용요인 분석)

  • Cheon, Ga-Hyeon;Lee, Chung-Ki;Park, Sang-Soo
    • Asia-Pacific Journal of Business
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    • v.11 no.3
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    • pp.229-242
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    • 2020
  • Purpose - To study the factors that are related with compliance for the voluntary surrender program of drive's license for senior drives and to estimate the rate of voluntary surrender. Design/methodology/approach - We online surveyed 147 individuals in order to analyze the intention to comply the program. The surveyees were driver's license holders aged 54 to 65 and drawn to answer their willingness to comply in a 5-point Likert scale. We developed an ordered probit model to analyze the data. Findings - According to the main results of the empirical analysis, the higher the average number of driving per week, regardless of gender and age, the more negative was the driver toward voluntarily surrender of driver's license. Various policy measures need to be prepared to activate the voluntary surrender system using the willingness to voluntarily surrender the driver's license and the characteristics of the voluntary returners, and the implementation of customized safe driving training for elderly drivers may be one such method. Research implications or originality - Population aging is known to cause various social problems, and in the transportation field, the number of elderly drivers and traffic accidents by elderly drivers are also increasing. The government is implementing a program for elderly drivers to voluntarily surrender of their driver's licenses in order to reduce traffic accidents caused by elderly drivers. If only elderly drivers who rarely drive surrender their driver's licenses then traffic accidents may not reduce as much as the program targets, however, and further policy instruments may be needed.

The Analysis of Thermal Conductivity and Basic Quality Performances of Decoration Wood-based Flooring Board Laminated with PVC Surface Decoration Materials (PVC 표면치장재를 적층한 치장목질마루판의 열특성 및 기초 품질성능 분석)

  • Park, Cheul-Woo
    • Journal of the Architectural Institute of Korea Structure & Construction
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    • v.34 no.1
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    • pp.53-60
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    • 2018
  • For test on flooring board laminated with PVC decoration materials in order to replace the current surface materials such as HPL in decoration wood-based flooring board. the Results of comparison and analysis are as follows: For thermal conductivity, flooring board decorated with PVC did not show huge differences when temperature was rising and lowering compared to the flooring materials laminated with the existing HPL surface materials. It seems the most meaningful results for using it as indoor flooring materials. That is, in Korea where there is the culture focusing on ondol heating, use amount of heat energy and efficiency of flooring materials are very important and sensitive issues, involving immediately with household economy of final consumers, and it might be a criteria to judge basic performances required as flooring materials. As a result of the analysis on mandatory durability test items such as abrasion resistance, absorption width expansion rate, impact resistance, surface hardness, and impact absorption for flooring materials, compared to flooring board laminated with general HPL surface decoration materials, decoration wood-based flooring board laminated with PVC surface decoration materials which is higher abrasion resistance with smaller transformation and has better durability and impact absorption of the surface, is available for actual application as indoor flooring board, and for replacing surface decoration materials impregnated with heat-hardened resion such as HPL.

Study on China's Changing Economic Policy toward Africa: focusing on the Cold War and Post-Cold War Comparison (중국의 대(對) 아프리카 경제정책 변화: 냉전과 탈냉전의 비교를 중심으로)

  • Kim, Dong Hwan;Oh, Byung Seok
    • International Area Studies Review
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    • v.14 no.2
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    • pp.297-323
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    • 2010
  • The distinguished feature of the economic relationship between China and Africa during the cold war is the one that there was economic point of view at all even though such a huge trade between the two countries. It was caused by purely ideological and political purpose of China. because of the giant stream of time which is called as 'the cold war', it has been replaced with other conceptions: 'aid' or 'support.' Since the end of the cold war, however, the relationship between China and Africa has been showing noticeable features; political and ideological purposes are getting less meaningful or excluded completely. In 1990, China was based on the pragmatism, which is a rigorous sense of economy, and Africa was getting popular as an emerging market, which is not only performing as a stable energy supplier but also making trade and direct investment is possible. Also, it has implications for Korea that seriously considers putting more efforts into expanding its influence on all over the trade relations which includes investment and import-export in the emerging market: Africa.