• Journal of the Korea Academia-Industrial cooperation Society
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• v.1 no.1
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• pp.91-100
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• 2000

In 1997 the recession of Korean economy brought about the bankruptcy of large corporations and the large size of non-Performing financial assets which led to IMF financial crisis. One of the major reasons for IMF financial crisis was poor loan management of domestic financial institutions . During the restructuring process of financial institutions since the IMF financial crisis, the importance of the loan management has been recognized. Especially. financial institutions' credit allocation had been concentrated on a few big conglomerates and their subsidies as well as some specific business areas. Hence, risk-diversifying portfolio effects were not reflected in any loan portfolios. The IMF financial crisis in 1997 has clearly showed that credit-risk management is essential not only for individuals' loan but also for portfolios consisting of various loans The main objective of this paper is to provide some suggestions on the direction for financial institutions in Korea to improve their loan portfolio management. Particularly, for the effective management of loan portfolios, this paper introduces quantitative credit-risk management schemes such as KMV models and CreditMetrics which are commonly used in financial institutions in advanced countries. Financial institutions in Korea should make their best efforts to establish a more scientific as well as quantitative loan portfolio management.

• Journal of Engineering Education Research
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• v.13 no.1
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• pp.70-77
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• 2010

The purpose of this study was to verify the educational value of student portfolio and to give the direction of making student portfolio. Qualitative research method was used to accomplish objectives of the study. 9 students who were winner in competition of student portfolio in I University at Incheon Province were interviewed. Data were recorded, transcribed and analyzed. Most students started to make student portfolio by compulsory, but they realized that it was necessary to start student portfolio from the lower grades. They had difficulties in not having materials of activities and hesitated at the beginning of making student portfolio even though they got standard form from the university. Students recognized that making student portfolio was effective tool because it could enhance self-reflection, awareness of importance of record, preparation of future, obtaining of motivation for anonther activities, getting self-confidence, and improvement of writing skill.

• The Korean Journal of Financial Studies
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• v.10 no.1
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• pp.145-170
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• 2004

Roll의 비판 이후 실행된 많은 국내외 연구결과 CAPM으로 설명이 되지 않는 이례 현상(Anomaly)들이 발견되고 있다. 이례 현상들은 다 요인 모형(multi-factor model)과 같은 추가 위험 요인이론, 표본차이이론, 과잉반응 및 특성이론들로 설명되고 있고 이러한 이례 현상들은 재무관리의 지속적인 관심사인 미래의 주가수익률 예측과 밀접한 관계에 있다. 본 연구에서는 이례 현상들이 주가수익률에 미치는 영향을 알아보기 써하여 Haugen and Baker(1996)의 다 요인 및 수익률 추정 방법론을 국내 증권시장에 적용한 다 요인 모형과 $\beta$, 기업규모, PBR, 과거 1년 주가 수익률에 의한 단일 요인 모형을 이용하여 개별 기업의 포트폴리오 구성기준을 결정하고 이 기준에 의거하여 월별로 편입 주식들을 재조정한 포트폴리오들의 년간 누적 실제수익률 예측력을 비교 분석한 결과 다음과 같은 결과를 얻었다. 첫째, 다 요인모형의 경우 기대수익률이 높은 주식으로 구성된 포트폴리오가 기대수익률이 낮은 주식으로 구성된 포트폴리오보다 실제 년간 수익률이 높게 나타난 반면, $\beta$, 기업규모, PBR, 과거 1년 주가 수익률의 요인에 의한 단일 모형을 적용한 포트폴리오는 이들 순위와 실제 수익률간에는 상관성이 높지 않게 나타나 다요인 모형이 주가 수익률 예측력에 있어서 단일요인 모형보다 우수한 것으로 판단된다. 단일모형 중에서는 PBR을 이용한 포트폴리오가 $\beta$ 단일모형보다 좋은 주가수익률 예측력을 보여 주었다. 둘째, 주가 수익률을 결정하는 유의성있는 요인들은 당기순이익의 증감, 당해연도의 당기순이익의 분포, 자산증가율, 매매 유동성, 매출액 변동, 거래량 추세, 기업크기(시가총액), 과거 1개월간의 주가수익률, 자기자본증가율등으로 나타났다.

• The Korean Journal of Financial Management
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• v.21 no.1
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• pp.87-124
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• 2004

Some studies indicate that investors systematically underreact to new information in the stock market and Other studies indicate that investors systematically overreact. If investors irrationally react to the R&D intensity information, The portfolio strategy based on the R&D intensity information will be provided substantial excess returns. This study investigate that investors systematically underreact or overreact to the R&D intensity and whether portfolio strategy based on the R&D intensity is useful or not. Major results we as follows. First, This study indicate that investor systematically underreact to high R&D intensity and overreact low R&D intensity information. Second, after controlling the firm's specific factor such as firm size, BV/MV and past price performance, it is found that the performance of portfolio strategy based on the R&D intensity is not significant.

• The Journal of Korean Association of Computer Education
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• v.14 no.5
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• pp.55-69
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• 2011

The purpose of this study is to develop and apply e-teaching portfolio in EIU for pre-service teachers, and to explore the possibility of applying e-teaching portfolio in pre-service teacher education. E-teaching portfolio has developed an online platform after designing the component of teaching portfolio. And then pre-service teachers' perceptions were investigated. The findings, pre-service teachers thought that e-teaching portfolio was useful for the accumulation and management of instructional materials, and gave opportunities to improve self-reflection, teaching skills and evidence over the professional development through communication.

• Journal of Digital Contents Society
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• v.14 no.4
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• pp.545-555
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• 2013

Recently student portfolio is widely used as an evaluation method for self-directed performance in engineering education of the university. Especially, as many of the Innovation Centers for Engineering Education and ABEEK held student portfolio competitions, a lot of students in engineering college participate in student portfolio includes the contents and careers of the entire process of university. However, except for courses related to capstone design, there are few regular courses applied to Learning Portfolio in engineering education. Through using Learning Portfolio in courses, students take opportunities of organized collection of learning contents and critical reflection. Under these background study, the regular course in engineering education is may be appropriate for using Learing Portfolio in lecture. In this paper, we present the case study for the Data Structure course opened in the first semester of 2013 which is organized as a Learning Portfolio. According to the results of applying Learning Portfolio to the regular course, it turns out that learners can develope self-directed learning ability in exploring the learning process, and manage a learning process systematically through self-reflection in learning process.

• Proceedings of the Korea Contents Association Conference
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• 2009.05a
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• pp.88-93
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• 2009

e-Portfolio in e-Learning environment is defined as the results which either teachers or learners systematically manage global contents related to their teaching and learning, respectively. When the e-Portfolio is applied to their work including teaching and learning, it is very useful for both teachers and learners to prepare their teaching plan, and to get the opportunity of their reflection by checking out their learning output, respectively. To generate e-Portfolios, there are two ways; one for collecting it directly from teachers and learners and another for collecting it automatically as a result of learning activities through e-learning system. In this paper, for efficient management of e-Portfolio, the data is layered, classified, restructured, and provided for users' purposes and various situations. Users can construct their own e-Portfolios by adding their own logic with their purposes in different situations.

• The Korean Journal of Financial Management
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• v.13 no.1
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• pp.221-235
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• 1996

본 연구는 우리나라 주식시장에 있어서도 소외기업효과와 주가효과가 존재하는지 그 여부를 검증하고자 하였다. 이를 위해 1992년부터 1995년까지 4년간을 분석기간으로 하고 한국증권거래소의 521개의 상장종목을 표본으로 사용하여 증권회사의 추천회수를 기준으로 한 소외도와 주가에 따라 포트폴리오를 구성하였다. 다음으로 시장조정모형과 시장모형을 사용하여 각 포트폴리오의 초과수익률을 구한 후 이를 살펴보았다. 그 결과 소외도와 주가에 따라 구성된 각 포트폴리오들의 분석기간동안의 평균초과수익률이 영과 통계적으로 유의하게 다르지 않으며, 포트폴리오들의 평균초과수익률 사이에도 통계적으로 유의한 차이가 없다는 것을 확인하였다. 이러한 본 연구의 분석결과는 소외기업효과와 주가효과의 존재에 관해 강한 의문을 던져주고 있다. 한편 1월효과의 존재를 뒷받침하며, 또한 소외도와 주가 사이에 상당한 관련성이 있음을 시사하는 실증적 증거도 발견되었다.

• The Journal of Korean Association of Computer Education
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• v.17 no.2
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• pp.87-95
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• 2014

e-Portfolio is a useful tool that enhances students' learning competency. This paper introduces 'K-folio' which is an e-Portfolio system. K-folio is currently being implemented throughout campus. K-folio is designed to apply the theoretical framework for college level e-Portfolio. We chose RAD(Rapid Application Development) as our development method which we designed to gradually improve system's capability and usability by reflecting and implementing the suggestions of students and instructors. This paper has the following contributions: first, it proposes the e-Portfolio implementation model that is more applicable to the college environment. second, the study identifies RAD as the most suitable method for e-Portfolio development. third, it mentions important technical implications regarding the development and operation for their e-Portfolio.

• The Korean Journal of Financial Management
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• v.14 no.3
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• pp.1-21
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• 1997

본 연구는 가치창조 경영의 중심지표인 EVA가 우리나라에서도 올바른 주주가치 평가지표로서 활용될 수 있을지를 살펴보고 있다. 실증분석 결과를 보면 연구기간(1986년${\sim}$1995년)중 대부분의 기업은 주당 EVA가 음(陰)이였고, 주당 EVA는 주당영업 이익, 주당순이익, 자기자본이익률등 기존 성과 척도들에 비해 주가와 상관관계가 가장 높았다. 연도별 EVA를 기준으로 매년 포트폴리오를 재구성하는 방법으로 10년간의 초과 수익률을 계산한 결과 EVA가 양(陽)인 포트폴리오는 음(陰)경우보다 초과수익률이 거의 140%정도 높았다. 또한 당해연도 뿐 아니라 전년도 주당 EVA가 주가변동의 주요결정 요인인것도 발견되었다. 이러한 연구결과는 EVA의 극대화가 주가의 극대화 곧 기업가치 및 주주가치 극대화를 의미하므로 성과지표로서 EVA를 성과측정 및 보상등 기업의 모든 의사결정에 활용할 수 있다는 것을 시사해 준다. 또한 EVA를 포트폴리오 관리를 위한 새로운 투자지표로 활용한다면 증권시장에서 수익률을 재고할 수 있다는 것을 입증해줌으로써 증권시장의 활성화에 크게 기여할 수 있을 것이다.