• The Korean Journal of Financial Management
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• v.16 no.2
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• pp.309-335
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• 1999

본 연구는 KOSPI 200 선물을 이용하여 옵션복제방식에 의한 포트폴리오 보험전략을 구축하고 KOSPI 200 지수와 KOSPI 200 구성주식의 일부로 이루어지는 개별 포트폴리오들을 대상으로 실증분석을 하였다. 본 연구의 결과에 의하면, 포트폴리오 보험전략의 성과는 헤지의 대상이 되는 현물포트폴리오별, 보험수준별, 재조정 기준별로 차이가 있는 것으로 나타났다. KOSPI 200 지수포트폴리오에 대한 헤지는 대체로 약세시장에서 포트폴리오 가치하락을 감소시키면서 시세상승에 편승할 수 있는 것으로 나타났다. KOSPI 200 구성주식의 일부로 이루어진 포트폴리오에 대한 헤지는 수익성이 높고 베타값이 높으면서 시가총액이 큰 제조업이나 전기통신업에 속하는 기업의 주식으로 포트폴리오가 구성되었을 때 대체로 헤지성과가 높았다. 또한 KOSPI 200 지수포트폴리오는 보험수준을 낮게 할수록 헤지성과가 높은 것으로 나타난 반면, KOSPI 200 구성주식의 일부로 이루어진 포트폴리오의 경우에는 보험수준과 헤지성과간의 관계가 일정치가 않았다. 재조정 기준별로는 3% 재조정 기준을 적용하였을 때 헤지성과가 가장 높았으며, 가장 빈번하게 재조정을 해야하는 일별 재조정 기준에 의할 경우는 거래비용이 상대적으로 높았다.

• Korea Trade Review
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• v.43 no.2
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• pp.1-22
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• 2018

Utilizing OECD-WTO's Trade in Value Added (TiVA) data, this study investigates the effects of economic integration (EI) on TiVA Empirical results obtained from structural gravity specifications reveal that EI increases trade between member countries, irrespective the types of exports in final goods and intermediate goods as well as foreign value added in total exports and domestic value added in total exports. The empirical results also reveal that EI does not decrease the share of domestic value added in total exports.

• Proceedings of the Korean Institute of Navigation and Port Research Conference
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• 2023.05a
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• pp.215-216
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• 2023

자율운항선박은 제4차 산업혁명 시대의 핵심기술인 사물인터넷과 빅데이터, 인공지능 등이 집약된 미래 고부가가치 선박으로 주목 받고 있으며, 자율운항선박의 도입 및 상용화를 위한 국제적 제도 검토 작업이 활발히 진행되고 있다. 국제해사기구(IMO)는 2017년부터새로운 용어 정립과 함께 기존 협약 규정식별작업(RSE)을 수행했다. 그 결과 기존 협약의 개정과 함께 자율운항선박 운항을 위한 새로운 규정 개발 필요성을 인식하고, 지난해 4월 '자율운항선박 코드(MASS Code)' 개발 로드맵 개발과 함께 세부 기준 개발 작업을 본격화했다. 본 논문에서는 현재 국제해사기구(IMO)에서 개발 중인 자율운항선박 코드를 기반으로 안전한 자율운항선박 운용을 위한 기능요건을 분석하고 세부 기준 및 방향을 제시했다.

• 한국체육학회지인문사회과학편
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• v.51 no.3
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• pp.79-88
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• 2012

The purpose of this study was to find spectator's value cognition and expected-benefit factors on professional baseball sportstar. Purposeful Sampling method was used to select among fan club leaders and people who had watched baseball games over ten years 8 informants who watched more than 4 times in 6 baseball games in 2011 Lotte Card Professional Baseball League. Data collection relies on focus group interviews and in-depth interviews. Text analysis was attempted to adopt the A-R-C needs theory proposed by Thomson(2006) for spectator's value cognition and the metaphors for consuming by Holt(1995) for expected-benefit factors. The research summary is as follow: Spectator's value cognition on professional baseball sportstar were an object of entertainment-oriented value, a major figure for social relationship-oriented and an object of identical. Spectator's expected-benefit factors on professional baseball sports tar were confirmation of values and heroic orientation. Meanwhile, spectator who had entertainment-oriented value cognition on professional baseball sportstar expect heroic orientation, who recognize professional baseball sportstar a major figure for social relationship-oriented and an object of identical pursue confirmation of values.

• Spatial Information Research
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• v.8 no.1
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• pp.51-67
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• 2000

This was preliminary research to develop the mapping method for the Urban Ecological Map. This research provided preliminary evaluation model for ecological conservation. The model was applied to Mt. Kwanak in Seoul, and the Urban Ecological Map was produced and tested. The results are as follows. First, some problems were found in the legal Ecological Map ; insufficient and only qualitative criteria for evaluation of the conservation value in an urban area, and exclusion of the areas designated by other was laws. Secondly, in order to improve the evaluation criteria for Ecological Map, some missed sites should be added to the legal list of valuable sites. Those are needed for ecological restoration, conservation of wildlife habitats managed by a city government , and establishment of eco-corridor. Third, the efficient mapping process for Urban Ecological Map must have two steps. On the first step an ecological evaluation should be done based on pure conservation value. On the second one the Ecological Map for legal action control should be made. And the Analytic Hierachy Process is considered as a Helpful technique for improving the objectivity of evaluation model. Fourth, the legal action control system for Urban Ecological Map should be reviewed.

• Journal of Digital Convergence
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• v.14 no.10
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• pp.107-117
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• 2016

This study examines information efficiency of financial information on the firm value for the listed manufacturing companies in Korea stock market in terms of timing pattern of information. We set 3 different test periods based on the financial statement released years - the current year, 90 days before financial statement announcement and the next year. We introduce using the stepwise regression method to examine the effect of financial variables on the stock returns. The financial variables include profitability ratio, growth ratio, stability ratio, activity ratio and market valuation ratio. The results of the study showed that both growth and profitability ratio affected the current year stock returns, while stability and activity ratio affected the next year stock returns. Growth rate of total asset affects both current year and next year stock returns. Our findings imply that the period in which financial information is reflected in the firm value, could vary with the characteristics of financial information.

• Journal of Korean Society of Transportation
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• v.18 no.4
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• pp.19-30
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• 2000

The purpose of the Paper is to estimate values of transfer related variables on route choices of subway users in Seoul. Four attributes were estimated affecting route choices, i.e. in-vehicle time, transfer time, number of transfers and existence of escalators. Stated preference and revealed preference techniques were used to estimate these values. The values of transfer related variables can be shown by in-vehicle time equivalents. One minute of transfer is 1.5∼2 times one minute of in vehicle times one time of transfer is 10∼15 times, and the existence of escalator is 2∼8 times. Women generally show stronger impedance than men and the elder does than the younger. Working, commuting and educational trips show stronger impedance than others too.

• Journal of agriculture & life science
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• v.50 no.4
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• pp.225-234
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• 2016

This study aimed at analyzing the economic value of 'Fuyu' sweet persimmon. For the analysis, the raw data of the latest 9 years were collected from 707 farmers in major sweet persimmon area and from 47 farmers surveyed in the field. These data include receipt price per kilogram, costs, yields per tree, etc. The findings are as follows: The break-even tree age of sweet persimmon was 85 years. The trees reach the maximum harvest at age of 65. 'Fuyu' sweet persimmon's economic value was 10,488 thousand won in income approach, 9,249 thousand won in cost approach, respectively.

• The Journal of the Korea Contents Association
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• v.22 no.2
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• pp.317-325
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• 2022

The purpose of this study was to provide basic data for reconstructing middle school morality textbooks by analyzing the character traits introduced in the middle school Morality 1 course textbook according to the content and achievement standards. The study method was analyzed according to the analysis framework. The conclusion is as follows. First, in a case study of Kyohaksa, a total of 83 people were introduced, and in the case of MiraeeN, 65 people were introduced. Second, in the case of sincerity by core value, 50 students, 60.2%, future 29, 44.6%, consideration 22, 26.5%, future 29, 44.6%, justice 11 students, 13.3%, 7 in the future, 10.8%. Third, in the content and core values of Kyohaksa, there were concepts of morality that were not included: citizenship, social justice, understanding of North Korea, or a consciousness of unification ethics. Fourth, there are contents that are not covered in the content system and achievement standards in the textbook.

• The Journal of the Korea Contents Association
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• v.13 no.6
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• pp.401-411
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• 2013

Selection of profitable research and development (R&D) projects is one of the major factors affecting sustained growth of firms and countries. This paper analyze what influences the knowledge on the business model exerted on selection of a R&D project. A business model converts the technology value to the customer value, and comprehensively describes the target customers for commercializing a new technology, core values, behaviors within organizations, resources, and external partners. Thus, understanding a business model would make R&D project evaluators place the feasibility and profitability of the business above the merits of the proposed technology in evaluating the technology development. To verify this hypothesis, we had 78 R&D project evaluators acquire the knowledge on the business model and measured how their criteria for R&D project selection have changed using the AHP method. The results shows that feasibility and profitability are more important than the merit of proposed technology, especially capability of company and business development are more important than the levels of technology innovation.