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홍정효(Chung-Hyo Hong),조혜원(Hae-Won Cho) 전북대학교 산업경제연구소 2010 아태경상저널 Vol.2 No.1
본 연구는 2000년 1월부터 2008년 말까지 콜금리, 3년물 국채금리, 원달러 외환시장 및 KOSPI자료를 이용하여 원달러 환율 및 장단기 금리 변화량, KOSPI수익률사이의 동적연관성을 실증적으로 분석하였다. 실증분석결과 첫째, 콜금리와 원달러 외환시장사이에는 장기적인 균형관계가 존재하고 있으나, 콜금리와 KOSPI, 원달러와 KOSPI사이에는 장기적인 균형관계가 존재하지 않는 것으로 나타났다. 3년물 국채금리는 콜금리와 공적분관계가 있으나 원달러, KOSPI와는 공적분관계가 존재하지 않는 것으로 나타났다. 둘째, 3년물 국채금리는 KOSPI 및 원달러 환율간에는 피드백적인 관계가 존재하고 있으나, 3년물 국채금리의 KOSPI 및 원달러에 대한 영향력이 그 반대의 경우보다 상대적으로 더 강한 것으로 나타났다. 세째, KOSPI와 원달러 환율사이에도 피드백적인 영향력이 존재하고 있으나 KOSPI의 원달러 환율변화에 대한 영향력이 그 반대의 경우 보다 더 강한 것으로 나타났다. 다섯째, 콜금리는 원달러 외환시장에만 영향력을 미치고 있으며, 장단기 금리사이에는 3년물 국채금리가 콜금리에 대한 영향력을 미치고 있으나 그 반대의 경우는 존재하지 않는 것으로 나타났다. 여섯째, 전반적으로 4가지 금융시계열모두 호재보다는 악재에 더 민감하게 반응하는 정보의 비대칭적인 특성이 존재하는 것으로 나타났다. 이러한 실증분석결과는 투자자들의 투자 및 위험관리전략 수립 뿐 아니라 정책당국자들의 통화 및 금융정책수립에 다소 나마 기여를 할 수 있을 것으로 보여 진다. We try to examine on the short term lead-lag relationship between call, KOSPI and won dollar spot markets with a vector error correction model, Granger causality test and impulse response analysis. This paper uses daily return data covering from January 2000 to December 2008. The major results are as follows; First, according to empirical test based on the Granger causality, the returns of won/dollar spot market Granger causes call market but vice versa. Second, we find a bilateral influence between won/dollar and KOSPI spot markets but the impact of KOSPI is relatively more dominant than of that of won/dollar market. Third, we also find that there is no influence between call and KOSPI markets in a statistically significant level. We hope these kinds of empirical results might be helpful for the investors to set up a asset portfolio and risk management system.
형방도적산(荊防導赤散)으로 호전된 소양인(少陽人) 말초성 안면신경마비 환자 치험 2례
이성진,조혜원,정해연,임은철,Lee, Sung-Jin,Cho, Hye-Won,Jeong, Hae-Yeon,Lim, Eun-Chul 사상체질의학회 2014 사상체질의학회지 Vol.26 No.4
Objectives We report a series of 2 treatment cases with Hyeongbangdojok-san which is based on Sasang Constitutional Medicine for peripheral facial palsy in Soyangin. Methods We diagnosed these two cases as a Soyangsangpung. And we prescribed Hyeongbangdojok-san for their physical symptoms. The improvement of their peripheral facial palsy were evaluated. Results After the Hyeongbangdojok-san was given, the patient's peripheral facial paralysis and physical symptoms were improved. Conclusions These case-studies showed an efficient result of using Hyeongbangdojok-san in the peripheral facial paralysis of Soyangin.
형방도적산(荊防導赤散)으로호전된 소양인(少陽人) 갱년기 증후군 치험 2례
정해연,이성진,조혜원,임은철,Jeong, Hae-Yeon,Lee, Sung-Jin,Cho, Hye-Won,Lim, Eun-Chul 사상체질의학회 2014 사상체질의학회지 Vol.26 No.3
Objectives We reported a series of 2 treatment cases with Hyeongbangdojeok-san which was based on Sasang Constitutional Medicine for Climacteric Syndrome in Soyangin. Methods We prescribed Hyeongbangdojeok-san for their physical symptoms. The improvement of their Climacteric Syndrome was evaluated Results After the administration of Hyeongbangdojeok-san was given, the patient's Climacteric Syndrome and physical symptoms are improved. Conclusions These case-studies show an efficient result of using Hyeongbangdojeok-san in the Climacteric Syndrome of Soyangin.
금속표면처리제에 따른 코발트-크롬 합금과 의치상용 레진의 결합강도
박종일,권주홍,이해형,조혜원,Park, Jong-Il,Kwon, Ju-Hong,Lee, Hae-Hyeung,Cho, Hay-Won 대한치과보철학회 2000 대한치과보철학회지 Vol.38 No.2
This study evaluated the effects of four adhesive metal primers on the shear bond strength of a heat curing denture base resin(Lucitone 199) to cobalt-chromium alloy(Biosil-f). The adhesive metal primers were Cesead Opaque Primer, Metal Primer, MR Bond, and Super-Bond liquid. The metal surface primed or nonprimed was filled with the heat-curing methyl methacrylate resin. The specimens were stored in water at $37^{\circ}C$ for 24 hours and the alternately immersed in water bath at $5^{\circ}C\;and\;55^{\circ}C$ for up to 2,000 thermal cycles. Shear bond strengths were measured using UTM at a crosshead speed of 0.5mm/min. Failure surface were examined under magnifying glasses. All the primers examined improved the shear bond strength between denture base resin and cobalt-chromium alloy compared with nonprimed specimens before thermal cycling. The bond strength of Cesead Opaque Primer was greatest. And after 2,000 thermal cycles, the bond strengths between resin and cobalt-chromium alloy were decreased but the difference between thermal cycling 0 and 2,000 at Cesead Opaque primer and Metal Primer were not significant. This study indicated that Cesead Opaque Primer & Metal Primer is effective primers to obtain higher bond strength between heat cured denture base resin and cobalt-chromium alloy.
금속표면처리제에 따른 코발트-크롬 합금과 의치상용 레진의 결합강도
박종일,이해영,조혜원 원광대학교 치의학연구소 1999 圓光齒醫學 Vol.9 No.2
This study evaluated the effects of four adhesive metal primers on the shear bond strength of a heat curing denture base resin(Lucitone 199) to cobalt-chromium alloy(Biosil-f). The adhesive metal primers were Cesead Opaque Primer, Metal Primer, MR Bond, and Super-Bond liquid. The metal surface primed or nonprimed was filled with the heat-curing methyl methacrylate resin. The specimens were stored in water at 37℃ for 24 hours and the alternately immersed in water bath at 5℃ and 55℃ for up to 2,000 thermal cycles. Shear bond strengths were measured using UTM at a crosshead speed of 0.5㎜/min. Failure surface were examined under magnifying glasses. All the primers examined improved the shear bond strength between denture base resin and cobalt-chromium alloy compared with nonprimed specimens before thermal cycling. The bond strength of Cesead Opaque Primer was greatest. And after 2,000 thermal cycles, the bond strengths between resin and cobalt-chromium alloy were decreased but the difference between thermal cycling 0 and 2,000 at Cesead Opaque Primer and Metal Primer were not significant. This study indicated that Cesead Opaque Primer & Metal Primer is effective primers to obtain higher bond strength between heat cured denture base resin and cobalt-chromium alloy.