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김기호 울산대학교 2000 경영학연구논문집 Vol.7 No.2
본 연구는 구형우선주를 발행한 한국상장기업을 대상으로 의결권의 가치에 영향을 미치는 요소들이 무엇인지를 Zingales의 모형을 이용하여 분석하였다. 그 결과 가설에서 설정한 것처럼 보통주와 우선주의 가격차이비율은 경영권을 획득하여 기업을 지배할 경우 얻을 있는 Private Benefits의 기대값의 크기에 의존함을 발견하였다. 표본기간인 1996년부터 1999년 4년간의 자료를 포함시킬 때, 지배대주주가 얻을 수 있는 Private Benefits의 크기가 기업 전체 Cashflow 중 20-30%이었다. 기대 Private Benefits은 경영권을 획득하였을 때 얻을 수 있는 Private Benefits과 소액주주가 보유한 지분이 경영권의 향배를 결정 짓는 확율의 개념을 의미하는 Shapley Value를 변형시킨 Relative Shapley Value를 총주식중 의결권 있는 주식의 비중으로 나눈 값의 곱으로 나타난다. 이외 의결권의 가치에 영향을 미치리라 예상되는 여러 통제변수를 분석에 포함시킨 결과, 우선주식의 유동성과 재벌 그룹의 소속여부는 의결권의 가치에 음의 영향을 미쳤으며, 배당수익률의 차이와 기업규모는 양의 영향을 미치는 것으로 나타났다. Ownership Structure and the Value of the Vote in the Korea stock Market This paper studies the determinants of the value of voting rights for Korean Listed firms which issued old fashioned preferred stock for the period from 1996 to 1999, by using Zingales model. Results support the hypothesis that the value of a vote is determined by the expected private benefits shareholders will receive for their vote in case of assuming the control of a firm. For the whole sample period, up to 20 - 30% of the variation of the voting premium are explained by this factor. The expected private benefit is the function of private benefit obtainable by controlling the company and the probability that the fraction of stock owned by small shareholders is pivotal in a control contest. While the relative liquidity of preferred stock over common stock and a dummy varible whether a firm is chaebol related shows negative effects, the difference of dividend yields and the size of the firm have positive effects to the voting premiums.
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김기호,이은지,이장한 한국법심리학회 2020 한국심리학회지: 법 Vol.11 No.2
The purpose of this study is to verify whether it is possible for participants to discriminate between innocent and guilty suspects when they are exposed to criminal information utilizing an autobiographical implicit association test (aIAT). A total of 49 college students were randomly assigned to guilty group, innocent-aware group, or innocent-unaware group. Participants performed an aIAT to detect suspects after performing either mock crime or control task. It was verified that innocent suspect and guilty suspect exposed with crime information could be distinguished through D-score and reaction time, converted to symbolize strength of the association between guilty sentences, innocent sentences, and truth sentences. As a result of the analysis, guilty group showed significantly higher D-score than both innocent-aware group and innocent-unaware group. guilty group also showed faster response time in true-guilty condition than true-innocent condition. This shows that the association of true-guilty conditions is stronger than that of true-innocent conditions. On the other hand, the innocent-aware group showed a faster response time in the true-innocent condition than the true-guilty condition, and innocent-unaware group showed no significant difference between the two conditions. Through this, it was confirmed that innocent suspects exposed to criminal information can be discriminated according to the aIAT pattern, which has a faster reaction rate to the truth and innocence union than the guilty group. This study confirmed that suspects exposed to criminal information can be effectively discriminated using aIAT, and further suggests the usefulness and potential of aIAT in the field of lie detection.
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Quadratic Residue Diffusor Microwave를 이용한 목재의 내부 온도변화에 관한 연구
김기호,김경민,Kim, Ki-Ho,Kim, Kyung-Min 경북대학교 농업과학기술연구소 2014 慶北大農學誌 Vol.32 No.1
In contrast to conventional microwaves, QRD (Quadratic Residue Diffusor) microwaves are a new energy-efficient technology that enhances the effect of sterilization based on changing the wavelength phase difference. Therefore, this study investigated the sterilization of wood using environmentally friendly and low energy consuming QRD microwaves. The results are as follows: for the QRD microwaves used in this study, the efficiency E = 5.75e0.32 S ($R^2$=0.908). Although the early water content was not constant, the average water content was 30.3% and after one week of natural drying, the water content was 22.6%, representing an average water content reduction of about 8%. When increasing the microwave level from 3 kW ~ 9 kW, the time taken for the temperature to increase was reduced. After the QRD microwave treatment, the wood samples showed no change in their flexural rigidity, compressive strength, or cleavage. The QRD microwave levels used in the experiments were 3, 5, 7, and 9 kW, where 9 kW was found to be the most efficient. Thus, for the purpose of eliminating nematodes and termites inside wood, a higher QRD microwave level was found to be more effective and energy efficient.
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