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        • 한국고유의 송도사개치부법에 관한 연구

          권상수 한국전통상학회 1992 韓國傳統商學硏究 Vol.5 No.-

          '스콜라' 이용 시 소속기관이 구독 중이 아닌 경우, 오후 4시부터 익일 오전 7시까지 원문보기가 가능합니다.

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          비정상 옵션가격의 현물가격 선도효과

          권상수 한국산업경제학회 2009 산업경제연구 Vol.22 No.2

          본 연구는 옵션거래량 세계 1위인 KOSPI200 옵션시장을 대상으로 옵션가격의 기본 특성인 단조성과 완전상관성 위반현상이 미래 현물가격 선도효과를 가지는지 여부를 검증하였다. 즉, 옵션시장에서 기초자산 가격이 상승(하락)하면 유럽형 콜옵션의 가격은 상승(하락)하고, 유럽형 풋옵션의 가격은 하락(상승)하는 단조성의 특성과 옵션가격은 행사가격과 만기에 관계없이 기초자산 가격과 완벽한 상관관계를 가진다는 완전상관성의 기본특성을 위반한 사례를 조사한 후 동 위반비율의 현물 선도효과를 조사하였다. 분석기간은 2002년부터 2006년까지 5년간이며 KOSPI200 옵션 1분 데이터를 사용하였으며 본 연구의 주요 결과는 다음과 같다. 분석 결과, KOSP1200 옵션시장에서 옵션가격의 단조성과 완전상관성의 특성을 위반한 비정상 옵션가격 변화에도 미래 현물가격에 관한 중요한 정보가 있음을 확인하였다. 유형별 위반비율과 미래 현물지수 변화와는 일정한 관계를 가지고 있으며 콜옵션과 풋옵션의 유형별 위반비율의 변화를 통해 미리 현물지수 변화를 예상할 수 있음을 확인하였다. 그리고 위반비율이 높은 그룹이 낮은 그룹에 비해 또한 위반비율의 변화량이 클수록 현물 선도효자가 더욱 크게 나타났다. 그리고 이같은 위반현상의 현물선도효과는 현물가격에 비해 옵션가격의 현물선도효과가 더욱 크기 때문에 발생하는 현상임을 확인할 수 있었다. It is well known that the option prices have the monotonicity property and the perfect correlation property. According to the monotonicity property, the value of a European call (put) should be nondecreasing (nonincreasing) in the underlying asset price. The perfect correlation property assumes that all option prices, regardless of moneyness and maturity, are perfectly correlated with each other and with the underlying asset. In this article, we examine whether the violations of the basic properties of the option prices exist in one minute interval basis in the KOSPI200 option market and test whether the violations have the predicting power of the future spot index returns. The sample period is from January 2. 2002 to December 28. 2006. Our important finding may be summarized as follows. The irregular option prices movements which violated the basic properties of the option prices have the important informational contents regarding the future spot index return. The various types of the violations have consistent relationships with the future spot index movements. The future spot index movements also can be forecasted based on the change of the violation rate of the basic properties. The higher violation rate group has the higher lead effect for the future index return than the lower violation rate group. We confirmed that the lead-effects of the violation rate for the future spot return come from the fact that option prices lead the spot prices.

        • 葡萄(Campbell Early)의 結實에 미치는 GA 및 覆袋의 影響

          權相洙,具禹書,朴正璂,權五昌,李容門 東亞大學校 1983 東亞論叢 Vol.20 No.3

          葡萄 Campbell Early 의 無核果 生成 및 成熟促進을 위하여 GA₃ 濃度別 그리고 몇 가지 覆袋處理를 한 實驗結果는 다음과 같다. 1. 果房重과 果粒數는 滿開 8日前 處理가 適期로서 果房重은 無處理에 비해 76.4%, 果粒數는 80.6%였다. 2. 1果房當 無核粒率(92%)과 100粒中 種子數(12個)는 滿開 18日前, Gibberellin 處理+cellophane紙 覆袋區가 가장 良好하였다. 3. 果粒數와 種子數(r=0.826) 또한 種子數와 果重間에는 정의 相關關係(r=0.841)를 나타내었다. 4. 糖度는 無處理區보다 cellophane紙 覆袋區가 9.34% 로서 높았다. 含水量과 灰分은 無處理와 新聞紙 覆袋區가 높았고 cellophane 紙 覆袋區가 낮았다. 5. vitamin C 含量은 Gibberellin 處理時期가 빠르고 無核率이 높을수록 낮은 傾向이엇다. 處理間에 있어서는 無處理와 parchment紙 袋覆區 많았고 cellopnane紙 袋覆區가 含量이 적었다. 6. Gibberellin 處理時期를 앞당기고 cellophan紙 袋覆를 하면 無核率이 높은 反面 果粒數 果重이 減少되고, Gibberellin 處理時期를 늦추고 新聞紙 覆袋를 하면 果粒數 果重은 增加하지만 無核率이 낮아졌다. The results obtained by the Gibberellin and bagging treatment on the Campbellearly grape are as follows: 1. The suitable period of treatment for cluster weight and number of berry are to be before 8 days of full bloom. The cluster weight was 76.4% and number of berries were 80.6% compared with control. 2. The ratio seedless berries of 92% per cluster, and number of 12 seedss in 100 beries were showed the best on before 18 full bloom at the bagging plots of Gibberellin treatment+cellophane paper. 3. Number of berry and number of seed (r=0.826) also were showed mutual relation of plus between the number of seed and fruit weight. 4. Soluble solid was showed higher of 9.3% at the cellophane paper bagging plot and 9.34% at the parchment paper bagging plot than the control. Juice content and ash were showed high at the conthol and newspaper bagging plot, and low at the cellophane paper bagging plot. 5. The content of vitamin C was showed low tendency at the higher of the seedless ratio with the quick Gibberellin treatment period. At the betweentreatment, the control and parchment paper bagging plot were showed much, and showed less content at cellophane paper bagging plot. 6. In advance the period of Gibberellin treatment and had cellophane paper bagging then the ratio of seedless would be high, but on the contrary, the number of berry and fruit weight decreased, and had delay the period of Gibberellin treatment and had the newspaper bagging, the number of berry and fruit weight would be increased but the ratio of seedless was low.

        • 花卉類 揷木을 위한 非汚染用土 開發에 관한 硏究

          權相洙,具禹書,박정기,李容門 東亞大學校 1979 東亞論叢 Vol.16 No.2

          磨沙를 揷木用土로 開發코자 單用 혹은 Vermiculite와 연탄재를 混合한 15種의 用土를 調劑하여 Carnation 및 菊花를 揷木하여 發根을 調査한 바 다음과 같은 結果를 얻었다. 1) 磨沙는 壤質粗砂土로 酸度는 弱酸性이었다. 2) Carnation, 菊花 揷木用土의 圃場容水量은 30∼47.8%, 全孔隙量은 50∼64.9%의 範圍였다. 3) Carnation發根은 磨砂單用으로 1㎜∼2㎜(a₁), 2㎜∼3㎜(a₂)로 篩別한 것이 좋았다. 4) 菊花의 發根은 磨砂單用으로 2㎜(b₁), 3㎜(b₂)로 篩別한 것이나 약간의 Vermiclite를 混合한 것이 좋았다.(b₂3:V1) 5) Carnation 混合用土로는 地溫이 高溫(23.9℃)일 때 연탄재가 좋고 低溫(19.8℃) 일때는 Vermiculite가 좋았다. 6) 菊花의 混合用土로는 Vermiculite가 좋았다. In order to develope the rooting media, the rooting experiment by cuttings the carnation and chrysanthemum was performed with 15 kinds of rooting media treated by Loamy Crude Sandy Soil, or Vermiculite mixed with Briquet Ash, and the results discussed were as follows. 1) Masa(rooting media) was Loamy Crude Sand and was represented a little acidity. 2) Water Capacity of rooting media was 30∼47.8%, and the porosity was 50∼64.9%. 3) It was much better for Carnation rooting to use Loamy Crude Sand aline which sifted by 1∼2㎜(a₁), or 2∼3㎜(a₂). 4) It was rather good for Chrysanthemum rooting to use Loamy Crude Sand which ifted by 2㎜(b₁) or 3㎜(b₂), and was much better to mix the Vermiculite with it(b₂3:V1). 5) As the mixed media for Carnation, Briquet Ash was better than any other when the soil temperature was high(23.9℃), and Vermiculite was better than the others, when it was below(19.8℃). 6) As the mixed media for Chrysanthemum, Vermiculite was recommended.

        • 釜山市 公園·遊園地 日日 利用者數 變動模型에 관한 硏究

          權相洙,具泰益,朴承範 東亞大學校 1986 東亞論叢 Vol.23 No.1

          Urban parks and pleasure ground are very important leisure resources for urban inhabitants which they can easily approach in the city. Thus the factors influencing the fluctuation of urban parks and pleasure ground visitors are not only physical ones but also complex ones of which various factors consist. The purpose of this study is to prove the factors which have the influence upon the fluctuation of urban parks (including pleasure ground) visitors, and to analyze the interrelations between these factors and the numbers of visitors, and to establish the model which can explain the fluctuation of urban park visitors. Through the literary survey, this study established only the quantitative factors (season, week, weather) to make the model. As the results of ANOVA, season and week had the strong influence upon the numbers of daily visitors, but climate very weak. Interaction effect between factors was verified. So, the factors were re-established as follows; Climate was transformed into quantative factors (precipitation, cloud, humidity, temperature, wind speed) and the interaction effect became new factor. Multiple regression analysis were carried out with these factors, and final fluctuation model were established on the verification of the curvilinearity. As the result of this model, multiple determinant co-efficient(R??) of each park was 0.65~0.68. For more accurate prediction of fluctuation, we need more careful study to establish the factors which was not included into this study.

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