• 제목/요약/키워드: Empirical analysis

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Resources and Sustainable Development in Korea

  • Kim, ByungWoo
    • 한국기술혁신학회:학술대회논문집
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    • 한국기술혁신학회 2010년도 춘계 학술대회 논문집
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    • pp.3-14
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    • 2010
  • Through time-series plots, we can see relatively stable trend of energy factor share and the decreasing trend of relative energy prices (to wages) in Korea. We can compromise these empirical facts with the following explanation: if elasticity of substitution between capital and energy is smaller than one(<1) in Korea, a change(decrease) in energy price can prevent income share of resources from rising in the process of economic growth. This is consistent with theoretical and empirical results that substitution between energy and capital is so difficult. From simple empirical analysis and limited information, we can carefully infer that, in the past in Korea, resource-specific innovation was performed widely. Finally, If we are to reduce the magnitude of "growth drag", we should decrease energy factor share. This can be accomplished by energy-augmenting technical progress in the case of elasticity of substitution less than 1 as in Korea.

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EST기법을 이용한 태풍과 집중호우의 시간강우 특성 분석 (Analysis of Hourly Precipitation for Characteristics by Typhoon and Downpour Using An Empirical Simulation Technique)

  • 오태석;오근택;문영일;권현한
    • 한국수자원학회:학술대회논문집
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    • 한국수자원학회 2008년도 학술발표회 논문집
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    • pp.1235-1239
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    • 2008
  • 최근 기상이변 및 이상기후로 인해 예상치 못한 극치사상이 빈번하게 발생하고 있으며, 이로 인한 수자원관리 측면에 있어 많은 어려움을 겪고 있다. 특히 집중호우나 태풍 사상과 같이 단 시간 내에 많은 양의 강수량을 동반한 경우 댐과 같은 대형 수공구조물의 파괴로 인해 인명 및 재산피해의 가능성을 증가시키고 있다. 따라서 본 연구에서는 우리나라에 발생하는 시간강수량에 대한 평가를 하기 위해 우리나라에 발생하는 시간강수량과 수문기상인자인 해수면 온도 및 습윤지수와의 상관관계 분석을 통해 수문기상인자가 우리나라 강수량에 미치는 영향을 평가하였다. 또한, 우리나라에 발생하는 극한강우를 발생 원인별로 태풍 사상과 집중호우 사상으로 구분하여 수문기상인자와의 상관성 분석 결과를 바탕으로 Empirical Simulation Technique 기법을 적용하여 집중호우와 태풍으로 발생하는 강우의 특성을 평가하였다.

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한국 국가이미지와 기업이미지간의 상호효과에 대한 실증연구 -삼성전자의 중국소비자를 중심으로- (An Empirical Study of Two-Way Effects on Country Image of KOREA and Corporate Image - A Focus on Chinese Consumer of SAMSUNG Electronics -)

  • 이춘수;이장로;서민교
    • 통상정보연구
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    • 제8권4호
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    • pp.323-341
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    • 2006
  • IThis research meets with empirical results in pursuit of aim as below mentioned. Firstly, it gets a line on two-way effects which have an effect on both (the country image and corporate image) by using the corporate image for the study of the country image. After making an analysis of the empirical test, found out that the corporate image has influence upon the country image significantly. Also found out that the country image has an effect on the corporate image powerfully. Therefore, it effects an inspection of evidence that the country image and corporate image have significantly positive concern, each other. Secondly, it is offering the way to use the culture marketing as grasping the mediating effects, which culture difference has influence upon the country image and the corporate image. The mediating effects show that the country image has influence on the corporate image more as culture difference is bigger.

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과학 탐구 학습 문제의 유형 및 특성 분석 연구: 라우든(Laudan)의 과학 철학을 바탕으로 (The Types and Characteristics of Science Inquiry Problems: An Analysis Based Upon the Laudanian Philosophy of Science)

  • 김찬종
    • 한국과학교육학회지
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    • 제13권3호
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    • pp.359-365
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    • 1993
  • Scientificc inquiry has been a major goal and a vehicle to teach science in schools since Curriculum Reform Era. Based upon the Laudanian philosophy of science, scientific inquiry problems were classified and their characteristics were identified. Science inquiry problems could be classified as empirical and conceptual problems. Empirical problems consist of unsolved, solved, and anomalous problems. Internal and external conceptual problems are included in conceptual problems. Effective teaching methods for solving empirical and conceptual science problems are discussed. The implications of Laudanian philosophy of science for science teaching were also discussed.

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The empirical analysis of the growth rate on Small and medium size Enterprises(SMEs) in Korea

  • Han, Jung-Hee
    • 벤처창업연구
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    • 제1권1호
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    • pp.105-125
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    • 2006
  • This paper relates recent empirical research on the growth. Smaller and younger firms have been growing more quickly than larger and older firms, thus, generating proportionately more new jobs. It is not difficult to understand why small and medium firms receive so much attention. Because SMEs provide about 80 percent of private sector employment so SMEs performance is an important economic and social factor. Despite this, they are subject to higher risk and mobility than those at the large firms. This paper is analyzes the relationship between firm growth measured as growth in employment, sales and production and firms age, size and R&D investment. The growth and its relationship with the determinants is linked to industrial policy in Korea. Empirical results are based on an unbalanced panel data covering period 1999-2002. Results show significant relationship between growth, size and age of firm.

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건설안전체험교육의 현황 및 개선방향에 관한 연구 (Study on the Analysis of Present Situation and Improvement Direction of Construction Safety Empirical Education)

  • 안용선
    • 한국건축시공학회지
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    • 제8권4호
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    • pp.95-103
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    • 2008
  • Construction safety should be considered prior to any other factors to execute construction projects smoothly and reduce the social expenses. Especially, the safety education is very important to the lives of labors and to control the four resources such as time, money, quality and safety. On this research, the present situation and related regulations of safety education are reviewed and the education contents and realities of the safety empirical education places are surveyed. Also questionnaire to education lecturers is performed to understand the satisfaction level of the education programs of the education places. Finally, the improvement directions are suggested to inspire trainees based on the results of the research.

실물옵션을 이용한 코스닥 벤처기업의 가치평가

  • 김선경;이정동;김태유
    • 한국기술혁신학회:학술대회논문집
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    • 한국기술혁신학회 2000년도 추계 학술대회(The 2000 Autumn Conference of korea Technology Inovation Society)(한국기술혁신학회)
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    • pp.297-311
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    • 2000
  • Since 1996 when Kosdaq market was set up, serious doubt has been raised regarding the efficiency of the market. The most important question is whether this market can reflect the real value of the venture company quoted on it. In order to answer this question, this study aimed to evaluate venture companies in Kosdaq market adopting the concept of real option theory. From the results of empirical analysis, we found that in the early 2000, there was serious over-valuation problem. On the contrary, in the recent period of economic recession, under-valuation problem is quite prevalent. We also present our methodology and empirical results confirm the conjecture that option premium outweighs the DCF valor for the newly born and high-technology intensive venture companies. We hope that the empirical results shed some light on the policy prescription to improve the efficiency of Kosdaq market.

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혁신 의사결정 과정을 이용한 서비스 수준관리의 실행단계별 요인과 성과에 대한 실증 연구 (An Empirical Study of the Determinants of Service Level Management and its Performance)

  • 구철모;남기찬
    • 한국정보시스템학회지:정보시스템연구
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    • 제16권3호
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    • pp.69-90
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    • 2007
  • Recently, Service Level Management(SLM) including SLA has been developing to manage the level of information systems service. Although previous SLA studies have provided the conceptual model and critical success factors, the studies have not tested the effectiveness of the SLA by way of the empirical study. In this study, we applied an innovation decision making theory to our model and tested an empirical study using of a firm survey data. We suggested a SLM model, which consists of SLA planning, application, management dimensions. We found that the SLM's management stage has an impact on performance, whereas SLM's planning and application has not. At each sub dimensional analysis, there are found that adequate SLA indicators in the application stage influences performance and change management and feedback & reporting in the management stage influence performance.

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교량의 경험적 손상도 곡선 (Empirical Fragility Curves for Bridge)

  • 이종헌;김운학;최정호
    • 한국구조물진단유지관리공학회 논문집
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    • 제6권1호
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    • pp.255-262
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    • 2002
  • This paper presents a statistical analysis of empirical fragility curves for bridge. The empirical fragility curves are developed utilizing bridge damage data obtained from the 1995 Hyogoken Nanbu(Kobe) earthquake. Two-parameter lognormal distribution functions are used to represent the fragility curves with the parameters estimated by the maximum likelihood method. This paper also presents methods of testing the goodness of fit of the fragility curves and estimating the confidence intervals of the two parameters(median and log-standard deviation) of the distribution. An analytical interpretation of randomness and uncertainty associated with the median is provided.

Impact of Quality Management Practices on Suppliers' Quality Performance: Empirical Evidence from Korean Automotive Parts Suppliers

  • Park, Seung-Wook;Kim, Youn-Sung;Chan, Peng
    • International Journal of Quality Innovation
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    • 제7권1호
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    • pp.206-222
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    • 2006
  • Recent research on quality management systemically explored the use of quality management practices and performance. The consequences of using quality practices have not been consistently confirmed despite an increasing number of published empirical studies. The results of empirical studies of quality practices and performance are mixed. This study examines which quality management practices indicate high-, medium-, and low-performance under the TQM framework using MANOVA and multiple discriminant analysis (MDA). To measure quality management practices, this study used the Malcolm Baldrige National Quality Award (MBNQA) framework. Based on a survey of 490 suppliers from eleven different industries in Korea, the results revealed that the high performing group surpasses the medium and low performing groups in process management, employee empowerment, employee education and training, and employee satisfaction. Furthermore, the high and medium performing groups exceed the low performing group in human resource planning and evaluation, strategic deployment, leadership system, and senior executive leadership.