개인투자자의 거래불균형과 기관투자자의 종목집중현상

김범,송형상 한국재무학회 2013 한국재무학회 학술대회 Vol.2013 No.05

개인투자자가 과거 주가가 하락한 종목을 매수하면 주가가 상승하고, 과거 주가가 상승한 종목을 매 도하면 주가가 하락하는 현상이 주식시장에 존재하는데, 이는 기관투자자가 포트폴리오를 조정하는 과 정에서 위험회피 성향을 지닌 개인투자자로부터 유동성을 제공받은 대가로 수익을 제공하는 경우에 나타난다는 유동성공급가설로 설명된다. 본 연구는 한국의 KOSPI시장에서 유동성공급가설을 검증하 기 위해 전체표본을 종목의 규모를 기준으로 구분하여 분석하였던 김범과 송형상(2013)의 내용을 확 장하여 분석한 것이다. 일차적으로 거래불균형의 발생빈도를 기준으로 표본을 4개 그룹으로 나누어 본 결과, 유사한 빈도를 보이는 매도와 매수 거래불균형 그룹에서 기관의 유동성공급을 위해 거래된 종목 의 구성이 유사한 것으로 확인되어 거래불균형의 빈도가 종목에 따라 상이하다는 사실을 발견하였다. 추가적으로, 빈도그룹 별로 유동성공급 가설을 분석하였는데, 최다빈도 그룹에서는 기존의 가설이 성 립하지만, 최저빈도 그룹에서는 성립하지 않았다. 이는 거래불균형이 발생한 모든 종목에서 유동성공 급에 대한 보상이 이루어지지는 않으며, 기관이 특정 종목을 위주로 매수와 매도의 거래불균형을 반복 하면서 유동성의 문제를 해결하고 있는 것을 의미한다. 마지막으로, 개인투자자를 중심으로 순매도의 경우와 순매수의 경우를 비교한 분석에 의하면, 순매수 시에 가격역전현상이 보다 큰 비대칭현상이 존 재하고 있는 것으로 나타났다.

공공스포츠센터 종사원의 안전분위기가 조직몰입, 직무만족 및 안전행동에 미치는 영향

김범,정정희 한국사회체육학회 2022 한국사회체육학회지 Vol.- No.90

Purpose: The purpose of this study is to examine the effect of public sport center employees’ safety climate on organizational commitment, job satisfaction and safety action through structural equation model analysis. Method: For this purpose, the survey targeted 202 workers working in 10 public sport centers in Gyeonggi-do for more than three months. For the sampling method, the convenience sampling method was used, while the questionnaire was self-administered. In an effort to verify the proposed structural model, IBM SPSSWIN Ver. 21.0 and AMOS 18.0 were used. Results: First, safety communication had a positive effect on organizational commitment. Second, safety education had a positive effect on organizational commitment. Third, safety rule had no a positive effect on organizational commitment. Fourth, organizational commitment had a positive effect on job satisfaction. Fifth, organizational commitment had a positive effect on safety action. Sixth, job satisfaction had a positive effect on safety action. Conclusion: Employees of public sports centers should actively engage in safety measures, freely communicate with employees, and create a continuous safety atmosphere through safety education and training.

공공스포츠센터 종사원의 윤리적 리더십이 심리적 소유감, 조직몰입, 직무열의 및 조직시민행동에 미치는 영향

김범,정정희 한국체육학회 2023 한국체육학회지 Vol.62 No.3

The purpose of this study was to empirically analyze the relationship between a public sports center employees ethical leadership on psychological ownership, organizational commitment, work engagement and organizational citizenship behavior through structural equation model analysis. For this end, we have conducted survey for 220 public sports center employees in the metropolitan area. Sampling method was convenience sampling mode, and questionnaire has been structured to be self-administration method. As a result First, ethical leadership had a positive influence on psychological ownership. Second, psychological ownership had positive influence on organizational commitment. Third, psychological ownership had positive influence on work engagement Fourth, psychological ownership had a no positive influence on organizational citizenship behavior. Fifth, organizational commitment had a positive influence on organizational citizenship behavior. sixth, work engagement had a positive influence on organizational citizenship behavior.

Montreal Classification에 따른 한국 크론병의 특징

김범,박순도,최성일,이석환,이길연 대한대장항문학회 2009 Annals of Coloproctolgy Vol.25 No.5

Purpose: Crohn’s disease is an inflammatory bowel disease with various symptoms and progressions. For effective identification of various causes and follow up of patients, we used the Vienna Classification from 1998, but we started applying the Montreal Classification in 2005. In this study, our aim was to identify the clinical characteristics of Korean patients with Crohn’s disease by using the Montreal Classification. Methods: A retrospective study was carried out among 111 patients who were evaluated at KyungHee Medical Center from March 1986 through February 2008 as having Crohn’s disease. Results: The male-to-female ratio was 1.8:1, and the average age was 27.2±9.6 yr. Abdominal pain was the major symptom, and extraintestinal manifestations were seen in 16 cases. Of the Crohn’s disease patients, 25.2% were initially misdiagnosed as having tuberculosis. Concerning age at diagnosis, A2 (patients 17 to 40 yr of age) was the largest group. The most common disease location was the ileocolon (L3), and a combined upper gastrointestinal lesion (L4) was most commonly seen in L3. The most common disease behaviors were nonstricturing and nonpenetrating (B1), and although perianal lesions were most common in B1, there were no statistical correlations (P=0.061). Surgical treatments were performed in 46 cases, especially in cases involving complex disease (stricturing & penetrating) (P<0.005) and ileal disease (L1) (P=0.024). Conclusion: According to the Montreal Classification of Korean Crohn’s disease patients, a more stable manifestation was seen in the group with lower age at diagnosis. Perianal lesions did not have any correlation with the form in which the disease manifested itself. Complex disease and ileal disease required a surgical procedure the most. Purpose: Crohn’s disease is an inflammatory bowel disease with various symptoms and progressions. For effective identification of various causes and follow up of patients, we used the Vienna Classification from 1998, but we started applying the Montreal Classification in 2005. In this study, our aim was to identify the clinical characteristics of Korean patients with Crohn’s disease by using the Montreal Classification. Methods: A retrospective study was carried out among 111 patients who were evaluated at KyungHee Medical Center from March 1986 through February 2008 as having Crohn’s disease. Results: The male-to-female ratio was 1.8:1, and the average age was 27.2±9.6 yr. Abdominal pain was the major symptom, and extraintestinal manifestations were seen in 16 cases. Of the Crohn’s disease patients, 25.2% were initially misdiagnosed as having tuberculosis. Concerning age at diagnosis, A2 (patients 17 to 40 yr of age) was the largest group. The most common disease location was the ileocolon (L3), and a combined upper gastrointestinal lesion (L4) was most commonly seen in L3. The most common disease behaviors were nonstricturing and nonpenetrating (B1), and although perianal lesions were most common in B1, there were no statistical correlations (P=0.061). Surgical treatments were performed in 46 cases, especially in cases involving complex disease (stricturing & penetrating) (P<0.005) and ileal disease (L1) (P=0.024). Conclusion: According to the Montreal Classification of Korean Crohn’s disease patients, a more stable manifestation was seen in the group with lower age at diagnosis. Perianal lesions did not have any correlation with the form in which the disease manifested itself. Complex disease and ileal disease required a surgical procedure the most.

낙동강 표층 퇴적물의 입도와 유기물질 및 영양염류 농도의 상관관계

김범,김주언,김신,김용석,양득석 환경독성보건학회 2019 한국독성학회 심포지움 및 학술발표회 Vol.2019 No.10

생존수영 프로그램에 대한 기대일치, 지각된 유용성, 수행만족, 생존수영신뢰와 자기효능감 및 긍정적 구전과의 관계

김범,문건필 한국체육정책학회 2020 한국체육정책학회지 Vol.18 No.4

The purpose of this research is to empirically analyze the relationship between a survival swimming program on expectation confirmation, perceived usefulness, performance satisfaction, survival swimming trust, self-efficacy & positive word-of-mouth through structural equation model analysis. For this purpose, this study set 251 participants at the survival swimming program located in Gyeonggi-do as the research subjects. In an effort to verify the proposed structural model, this study used IBM SPSSWIN Ver. 23.0 and AMOS 18.0. First, expectation confirmation had a positive effect on perceived usefulness. Second, expectation confirmation had a positive effect on performance satisfaction. Third, perceived usefulness had a positive effect on performance satisfaction. Fourth, perceived usefulness had a positive effect on survival swimming trust. Fifth, perceived usefulness had a positive effect on positive word-of-mouth. Sixth, performance satisfaction had a positive effect on survival swimming trust. Seventh, performance satisfaction had a positive effect on self-efficacy. eighth, performance satisfaction had a positive effect on positive word-of-mouth. ninth, survival swimming trust had a positive effect on positive word-of-mouth. tenth, self-efficacy didn't have a positive effect on positive word-of-mouth.

지정토론

김범 한국금융연구원 2008 韓國經濟의 分析 Vol.14 No.3

보험사 탈상호화에서의 경여자 신뢰에 관한 연구

김범 한국보험학회 2007 保險學會誌 Vol.77 No.-

Demutualization is a complicated conversion procedure whereby an insurance company changes its form of business organization from mutual to stock company. Historically, much research was performed to explain the rationale of the conversion, but mainly relied on empirical analyses. Our contribution on this issue is to develop a gametheoretical background for the demutualization process, understand the rational behavior of policyholders about the managerial decision, help policyholders to design a different demutualization procedure in order to encourage managers to act for the owners’ best interests, and furnish insurance regulators with more insight into maintaining the fairness of the procedure. 보험사 탈상호화란 상호회사로 존재하던 보험사가 주식회사로 기업의 형태를 전환하는 현상을 일컫는다. 저자는 탈상호화 현상의 합리적 근거를 제시하고 하는 기존의 실증분석적 연구를 보완하려는 의도에서 탈상호화 과정을 게임이론에 근거하여 살펴보고 그 이론적 토대를 마련하고자 하였다. 본 논문은 먼저 경영자가 제안하는 보험사 탈상호화의 경우에 보험계약자가 어떠한 조건에서 합리적인 의사결정을 내릴 것인가의 문제를 살펴보았다. 이를 토대로 탈상호화에서의 합리적 의사결정과정과 그 조건들을 살펴봄으로써 보험계약자의 이익을 극대화하는 탈상호화 추진을 위한 유인들에 대한 시사점을 제시할 수 있었다. 마지막으로 저자는 본 논문이 공정한 탈상호화 과정을 위해 규제당국에도 시사점을 제시할 수 있다는 점에서 그 의의를 갖는다고 판단하였다.국문 색인어 : 정보비대칭, 경영자 보상체계, 탈상호화, 게임이론

[소식] 《약중왕》발명가 - 허씨부부 -

김범 길림성민족사무위원회 1996 중국조선어문 Vol.81 No.-

담배소비세 인상정책에 따른 흡연 감소 효과는 일시적인가?

김범,조영민 한국보건사회연구원 2021 한국복지패널 학술대회 논문집 Vol.14 No.-

본 연구의 목적은 2015년 1월 1일 시행된 담배소비세 인상이 흡연량 감소에 미친 장기적, 단기적 영향을 분석하는 것이다. 또한, 소득구간을 3분위로 구분하여 흡연량의 장단기적 효과의 추정량을 기반으로 담배소비세의 역진성이 실재하는가를 확인하고자 했다. 본 연구는 담배소비세의 효과를 추정하기 위해 단절적 시계열 설계를 적용한 통합최소제곱모형, 일원확률효과모형, 일원고정효과모형을 사용했고, F-검정과 Hausman 검정을 거쳐 일원고정효과모형을 본 연구의 분석모형으로 채택했다. 일원고정효과모형으로 담배소비세의 효과를 추정한 결과 전체표본은 -3.84 개비, 저소득 -4.08 개비, 중소득 -4.73 개비, 고소득 -2.57 개비의 단기적 효과가 통계적으로 유의미한 것으로 나타났으며, 장기적인 효과는 전체표본, 저소득, 중소득이 각각 -0.23 개비, -0.31개비, -0.44개비였고, 고소득은 통계적으로 유의미하지 않았다. 담배소비세의 장기적 효과는 음의 값을 가졌지만, 단절적 시계열 설계를 통해 추정한 정책 전후 기울기를 기반으로 소비세 인상을 하지 않았을 때의 대응사실(counterfactual)과 비교했을 때 담배소비세 인상에 따른 장기적 효과는 2029년부로 사라지는 것을 확인할 수 있었다. 또한, 추정량을 활용하여 소득구간 별 가격탄력성 및 담배지출 비중의 변화를 분석한 결과 저소득의 가격탄력성이 다른 소득구간에 비해 탄력적이지만, 담배지출의 비중은 오히려 증가한 것을 통해 담배소비세의 역진성이 존재하는 것을 확인할 수 있었다. 2015년 담배소비세 인상은 장단기적으로 흡연량 감소효과를 갖고 있지만, 80% 가격인상과 같은 지나친 가격정책은 저소득의 부담을 가중할 수 있다. 담배소비세의 장기적 효과 크기가 작고 담배소비세의 역진성이 존재하는 만큼 비교적 저소득에게 부담이 적은 물가연동제를 비롯하여 다양한 비가격정책과의 정책도구 조합이 이루어져야 할 것이다.