금융기관 합병 공시효과 차이에 관한 연구 : 인수유형을 중심으로 Conglomerate & Non-Conglomerate Merger

조경식,박희석 대구대학교 경제경영연구소 2003 경제경영연구 Vol.2 No.1

본 연구는 그동안 국내·외 선행연구에서 드물었던 합병을 공시한 금융기관들을 대상으로 공시 전·후 인수유형별로 합병 금융기관을 두 집단으로 구분하여 누적평균초과수익률(CAR) 평균차이를 t-test를 통하여 분석하였다. 분석의 결과 다각적 합병을 한 경우 금융기관의 주주부가 비다각적 합병한 경우의 주주부 보다 평균적으로 훨씬 높은 누적평균초과수익률(CAR)을 보이는 것으로 나타났다. 그러나 두 집단간 누적평균수익률(CAR)의 평균차이가 통계적 유의성은 발견되지 않았지만, 우리나라 금융기관 합병에서 다각적 합병을 한 경우의 주주부가 증가한 이유로 첫째, 계열회사간 합병한 경우가 거의 대부분인 점 둘째, 부실화된 피합병 금융기관들이 합병을 통한 효율성 증가 기대 셋째, 다각적 합병을 통한 여러 가지 업무를 통한 시너지의 기대 등의 원인으로 보인다. This study empirically examined the effects of merger announcement in Financial Institutions, especially divided merger type prior to announcement into two group(1. conglomerate merger, 2. non-conglomerate merger). The cumulative abnormal return(CAR) surrounding the merger announcement date are used to assess whether there are mean difference two groups. The analysis(t-test) shows that, on average, the CAR of conglomerate merger realized higher than that of non-conglomerate merger, but there are statistically non- significant mean difference between two groups.

企業公開의 長期效果

金熙錫,曺敬植 大邱大學校 社會科學硏究所 2001 社會科學硏究 Vol.9 No.1

본 연구는 우리나라 기업을 대상으로 1992년과 1995년 동안 공개된 기업 50개와 그 짝기업 (동일업종에 속하는 유사기업) 50개를 선정하여 공개전후 2년간 그 재무적 특성의 변화를 비교함으로써 기업공개효과를 분석하였다. 구체적으로는 두 집단 간 공개전후 투자지출, 배당성향, 부채의존도, 성장성, 수익성, 유동성, 기업위험, 단기차입금의존도 등의 변화를 상호비교하였다. 분석결과, 공개기업들은 기업공개 후 비공개기업에 비해 상대적으로 성장률이 더 높아지고, 유동성이 향상되었으며, 주주관계를 의식하여 배당성향은 증가한 것으로 나타나고, 또한 자본지출도 상대적으로 증가하였다. 그러나 수익성(총자산 영업이익률)은 오히려 상대적으로 악화된 것으로 나타났다. 한편, 부채의존도(부채구성비율), 단기차입금의존도(단기차입금/총부채), 기업위험(매출액영업이익률의 분산)에서는 두 집단간 통계적으로 유의적인 차이가 발견되지 않았다

Reproducibility and validity of semi-quantitative food frequency questionnaire measuring dietary trans-fatty acids intake among Korean adults

Hee-Kyung Joh,Seung-Won Oh,Eun Lee 한국영양학회 2015 Nutrition Research and Practice Vol.9 No.1

BACKGROUND/OBJECTIVES: Compelling evidence indicates that consumption of trans-fatty acids (TFA) is associated with a wide range of diseases. However, few validated tools for TFA intake assessment are available in Korea. We aimed to validate a food frequency questionnaire (FFQ) estimating usual intake of TFA in Korean adults. MATERIALS/METHODS: Eighty-two healthy adults completed an FFQ with a 3-day diet record (3DDR), and 58 completed a second FFQ at a 1-month interval. To assess the reproducibility of the FFQ, we compared estimated TFA intakes from each FFQ. To assess the validity, we compared estimates from the FFQ with those from the 3DDR. RESULTS: The FFQ was reproducible (Spearman r = 0.71) and provided modest correlations with the 3DDR (Spearman r = 0.38). After adjustment for total energy intake, the correlations increased (r = 0.45). Measurement-error correction also de-attenuated the correlations (r = 0.57). When quintiles of the FFQ and 3DDR were joint-classified, 9% on average were misclassified into extreme quintiles. CONCLUSIONS: Our findings suggest that the developed FFQ is reproducible and reasonably valid in categorizing individuals according to TFA intakes among healthy young and middle aged adults in Korea.

혈액투석환자에서 십이지장벽의 이물질을 내시경으로 제거한 후 발생한 후복막 출혈

이민경 ( Min Kyung Lee ),현여경 ( Yu Kyung Hyun ),김윤지 ( Yoon Ji Kim ),윤수영 ( Soo Young Yoon ),조준희 ( Joon Hee Joh ),이종인 ( Jong In Lee ),조재희 ( Jae Hee Cho ),김희만 ( Hee Man Kim ) 대한소화기학회 2011 대한소화기학회지 Vol.58 No.4

Fish bones are often ingested accidently. Most of them passes out through the gastrointestinal tract safely, but serious complications, such as perforation, abscess, obstruction, and bleeding in the gastrointestinal tract, can occur. An ingested fish bone can be easily removed by endoscopy, and surgery is rarely required. However, there may be complications related to the endoscopic procedure including mucosal laceration, bleeding, fever, and perforation. Here, we report a case of retroperitoneal hemorrhage developed after endoscopic removal of a fish bone stuck in the duodenal wall, and then resolved spontaneously by conservative care. (Korean J Gastroenterol 2011;58:212-216)

생활의 질적 향상을 위한 부엌의 작업대 및 수납장에 관한 연구

김여은,김은주,김재희,김현애,김희경,성은희,옥여명,이선희,전연희,조성진 연세대학교 생활과학대학 1985 婦學 Vol.18 No.-

The purpose of this study was to examine present conditions of kitchen work centers and cabinets and to determine responses of residents in relation to them. The sample comprised of 42 households in Seoul. A questionnaire was developed, which consisted of three parts; socio­demographic information of the households, present conditions of kitchen work centers and cabinets, and their responses in relation to them. Data was analyzed by hand, using frequency and percentage. Findings from this study were as follows: 1. L shape and one wall kitchen shape were dominated, 55.0% and 32.0% respectively. The kitchen work centers were arranged most frequently in sequence of refrigerator center, sink center, mixing center, cooking center, and serving center. 2. Widths/heights of kitchen work centers and cabinets were close to the recommended measurements, however the vertical distance between the top line of kitchen work centers and the bottom line of wall cabinets showed higher than the recommended measurement. 3. Residents were satisfied to some degree with the sequence of arrangement, heights, widths, design, and color of kitchen work centers and cabinets, however they need more storage space. 4. The functional aspect and design were the major factors influenced residents' decision making for the buying behavior of the kitchen work centers and cabinets.

Unusual Presentation of The Popliteal Venous Aneurysm : A Case Report 증례보고

Joh, Joon-Hee,Park, Jai-Soung,Paik, Sang-Hyun,Cha, Jang-Gyu,Park, Seong-Jin,Hong, Hyun-Sook,Kim, Dae-Ho,Lee, Hae-Kyung 순천향의학연구소 2004 Journal of Soonchunhyang Medical Science Vol.10 No.2

Primary venous aneurysm (PVA) is a rare condition and in most cases of little clinical significance, whereas PVA's are potentially life threatening because they have been recognized to be a source of recurrent pulmonary embolism. Recently, we experienced a case of PVA without obvious pulmonary embolism that was managed by surgery. And we report rediologic findings of the venography, Magnetic Resonance Imaging (MRI) and operation.

Basic, HCC basic : O-032 ; Positive rates of target molecules associated with molecular targeted agents through quantification of gene expression level in Korean HCC

( Hee Jung Wang ),( Gun Do Kim ),( Jin Young Park ),( Jae Won Joh ),( Dae Shick Kim ),( Koo Jeong Kang ),( Kyung Keun Lee ),( Dong Sik Kim ),( Eun Kyu Lee ) 대한간학회 2012 춘·추계 학술대회 (KASL) Vol.2012 No.-

Background: On the basis of placebo-controlled, Sorafenib in randomized phase III trials has shown improved survival benefits in advanced hepatocellular carcinoma (HCC) and it has ushered in the era of molecular target agents in HCC. However, its real drug response rate is still very low, and its results in clinical trials of combined therapy seem to be also disappointing. Recently, many researchers have proposed that we must continue our efforts to identify and validate new molecular target agents and predictive biomarkers to be helpful to predict clinical efficacy, toxicity, and resistance to these agents. The aim of this study was to identify subpopulation rates by the analysis of overexpression of each target molecular genes against its molecular target agents in Korean HCC. Methods: We measured the mRNA expression levels of target molecules (EGFR, VEGFR, FGFR, PDGFR and mTOR) using real time PCR analysis for cDNAs isolated from 300 frozen HCC tissues obtained from 5 hospitals. Threshold level was determined by mean value of mRNA expression levels of each target molecules in non-cancerous surrounding liver tissues. All statistical analyses were performed with the open source of statistical programming environment R http://www.r-project.org. The expression levels of each target molecular genes were evaluated with clinicopathologic parameters. Results: Among the total population, the positive rate of EGFR, VEGFR, FGFR, PDGFR and mTOR was observed in 29.90%, 31.65%, 18.67%, 51.11% and 51.64%, respectively. Based on the tumor stage, PDGFR and mTOR showed higher rates in stage II compared to stage I and III. EGFR and VEGFR showed higher rate in stage I compared to stage II and III, and FGFR is higher rate in stage III compared to stage I and II. Especially, the expression rates of EGFR and VEGFR in non-microvascular invasion (MVI) showed much higher compared to MVI while the rest of target molecular genes expressed higher in MVI. Conclusions: We propose that it may be worth for the evaluation of response rate and survival-benefit of clinical trials of molecular targeted agents to sub-classify and sub-analyze the study population by measuring the mRNA expression levels of target molecules using tissues from preoperative needle aspiration biopsy.

Basic, HCC basic : O-032 ; Positive rates of target molecules associated with molecular targeted agents through quantification of gene expression level in Korean HCC

( Hee Jung Wang ),( Gun Do Kim ),( Jin Young Park ),( Jae Won Joh ),( Dae Shick Kim ),( Koo Jeong Kang ),( Kyung Keun Lee ),( Dong Sik Kim ),( Eun Kyu Lee ) 대한간학회 2012 춘·추계 학술대회 (KASL) Vol.2012 No.1

Background: On the basis of placebo-controlled, Sorafenib in randomized phase III trials has shown improved survival benefits in advanced hepatocellular carcinoma (HCC) and it has ushered in the era of molecular target agents in HCC. However, its real drug response rate is still very low, and its results in clinical trials of combined therapy seem to be also disappointing. Recently, many researchers have proposed that we must continue our efforts to identify and validate new molecular target agents and predictive biomarkers to be helpful to predict clinical efficacy, toxicity, and resistance to these agents. The aim of this study was to identify subpopulation rates by the analysis of overexpression of each target molecular genes against its molecular target agents in Korean HCC. Methods: We measured the mRNA expression levels of target molecules (EGFR, VEGFR, FGFR, PDGFR and mTOR) using real time PCR analysis for cDNAs isolated from 300 frozen HCC tissues obtained from 5 hospitals. Threshold level was determined by mean value of mRNA expression levels of each target molecules in non-cancerous surrounding liver tissues. All statistical analyses were performed with the open source of statistical programming environment R http://www.r-project.org. The expression levels of each target molecular genes were evaluated with clinicopathologic parameters. Results: Among the total population, the positive rate of EGFR, VEGFR, FGFR, PDGFR and mTOR was observed in 29.90%, 31.65%, 18.67%, 51.11% and 51.64%, respectively. Based on the tumor stage, PDGFR and mTOR showed higher rates in stage II compared to stage I and III. EGFR and VEGFR showed higher rate in stage I compared to stage II and III, and FGFR is higher rate in stage III compared to stage I and II. Especially, the expression rates of EGFR and VEGFR in non-microvascular invasion (MVI) showed much higher compared to MVI while the rest of target molecular genes expressed higher in MVI. Conclusions: We propose that it may be worth for the evaluation of response rate and survival-benefit of clinical trials of molecular targeted agents to sub-classify and sub-analyze the study population by measuring the mRNA expression levels of target molecules using tissues from preoperative needle aspiration biopsy.

GAINS TO ACQUIRING FIRMS OF LISTED AND UNLISTED TARGETS IN KOREAN MERGERS

Hee Seog Kim,Kyung Sik Joh 한국로고스경영학회 2006 한국로고스경영학회 학술발표대회논문집 Vol.- No.-

This study examines the merger announcement period abnormal returns to acquiring firms of listed and unlisted targets from 1994 through 2003 in Korea. An event study methodology is used in order to estimate the abnormal returns. Acquires of listed targets achieve insignificantly negative average abnormal returns, whereas acquires of unlisted targets achieve positive and significant average abnormal returns. This finding suggests the listing?related effect in Korean mergers market.

슬와 정맥에서 발생한 정맥류 : 증례보고

조준희,박재성,백상현,차장규,박성진,홍현숙,김대호,이혜경 순천향의학연구소 2004 Journal of Soonchunhyang Medical Science Vol.10 No.2

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