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How Does Creditor’s Liquidation Decision Affect Debt and Equity Values?
Keunho Hwang,Jangkoo Kang 한국재무학회 2008 한국재무학회 학술대회 Vol.2008 No.05
Bankruptcy and liquidation procedures are important to determine the values of equity, debt and firm. During the liquidation process, the creditors play an important role as well as borrowers. This paper models the creditors’ liquidation decision and examines its effects on the equity and debt values and credit premiums of risky debt. If the liquidation costs are considerable, the debtholders tend to delay liquidation and it provides the equityholders with an opportunity to behave strategically. Without Chapter 11 of the U.S. Bankruptcy Code, the bankruptcy does not lead to immediate liquidation due to the costly liquidation. Additionally, we address that the tax benefit, in addition to liquidation costs, is one of the factors that cause the strategic debt service. Our model incorporates the equityholders’ bankruptcy decision and debtholders’ liquidation decision. We suggest how to determine the equity and debt values numerically using finite difference methods. And we show that Leland (1994) model is a special case of ours. Finally, this paper also examines the determinants of values of equity, debt, firm and risky debt’s credit premium.
YUJIN HWANG,안영철,SEONGIR CHEONG,KEUNHO JIN,JAEKUEN LEE 대한설비공학회 2010 International Journal Of Air-Conditioning and Refr Vol.18 No.3
There are many attempts to use a fuel cell system as a residential power generation system. The purpose of this study is to investigate the optimal design of a water tank for a hot water system when the fuel cell co-generation system is combined with a domestic hot water supply system. The demands of hot water supply per month per home for 76–168 m2 of acreage are investigated in Busan for a year. It showed somewhat large differences between the actual demand and the designed demand of hot water, but the actual capacity of hourly averaged hot water demands is analyzed as 60 ℓ/h in this study based on the actual demand. The experiments are performed in the various inlet and outlet locations of nozzles in the hot water tank, and the hot water consumption rates. The experimental results showed that the optimal capacity of the water tank is 200 ℓ when the thermal efficiency, the storing capacity of hot water and the space for installation are considered.
e - Logistics시스템의 상호 운용성 방안에 대한 설계 및 구현
황재각(Jaegak Hwang),류근호(Keunho Ryu) 한국정보과학회 2003 한국정보과학회 학술발표논문집 Vol.30 No.2Ⅰ
최근 e-Business 기반의 B2B, B2C시스템이 몇 년 사이에 폭발적으로 증가하고 있으나 기업간의 비즈니스 거래시 시스템간의 서로 다른 플랫폼과 다양한 문서 구조를 갖고 있어 상호 운용성 문제가 대두되고 있으며, 이 문제를 해결하기 위한 통합적인 비즈니스 프레임워크를 구성하는 방법에 대해 관심이 점차 증대되고 있다. 이 논문에서는 거래 기업간 서로 다른 플랫폼과 서로 다른 문서 구조를 가지고 있으므로 시스템들의 통합 및 상호 운용성을 해결하기 위해 UN/CEFECT에서 국가간 비즈니스 메시지 전송 표준으로 제시한 ebMS 2.0표준 규약에 따라 MOM(Message-Oriented-Middleware)를 개발하여 상호 운용성을 해결 하였으며 기업간의 거래 문서는 최근 W3C에서 제안하는 XML기반을 갖는 상이한 XML문서 구조를 갖는 문서를 변환하여 송수신 할 수 있는 문서 변화기인 XML Mapper를 구현 하였다.
JaeWoo Park,KeeHwan Park,KeunHo Joe,SookHee Choi,InJae Lee,JuHee Hwang,Min Kwon,ShengMin Wang,DaiJin Kim 대한신경정신의학회 2012 PSYCHIATRY INVESTIGATION Vol.9 No.3
Objective-The purpose of the study was to develop the Korean version of the Stage of Change Readiness and Treatment Eagerness Scale for Smoking Cessation (K-SOCRATES-S) based on the Korean version of the Stages of Readiness for Change and Eagerness for Treatment scale (K-SOCRATES). This paper also demonstrates its reliability and validity among patients with nicotine dependence in South Korea. Methods-At seven healthcare promotion centers in Gyeonggi-do, 333 male smokers aged 20 to 70 who visited smoking cessation clinic were recruited for this study and the K-SOCRATES-S was administered. After three months, the number of respondents who successfully stopped smoking was assessed by testing their urine cotinine level. Subsequently, exploratory factor analysis was performed to verify the reliability and validity of the K-SOCRATES-S. Also, a logistic regression analysis was performed to examine the variables that can predict the successful cessation of smoking on subscales of the K-SOCRATES-S. Results-Exploratory factor analysis of the K-SOCRATES-S showed that the scale consisted of three factors: Taking Steps, Recognition, and Ambivalence. The scales measuring Taking Steps and Recognition in this scale had a significantly positive correlation with the scores observed on Kim’s smoking cessation motivation scale. The scales measuring Taking Steps and Recognition had a significantly negative correlation with Ambivalence. Overall, the results indicate that the K-SOCRATES-K scale showed high validity. Conclusion-The K-SOCRATES-S developed in the present study is highly reliable and valid for predicting a patient’s likelihood of success in quitting smoking among patients who want to cease smoking.
윤근호,심신우,황종수,Yun, Keunho,Shim, Shinwoo,Hwang, Jongsu 한국군사과학기술학회 2014 한국군사과학기술학회지 Vol.17 No.5
In the development of the weapon systems, utilization of Modeling & Simulation is growing in every aspect of development process. For the higher utilization of M&S, reuse of the M&S resources is needed to reduce the cost of M&S. I propose the M&S architecture framework that can enhance the reusability of the M&S resources in developing surface-to-air weapon systems. This M&S architecture design framework enables interoperability between the system and sub-systems. In this paper, the advantage and the necessity of the M&S architecture design framework will be described by introducing the cases that the M&S architecture framework reused in the combat experiments, the system development tests, the system operational tests and the concept developments in real projects. These cases will show the high reusability and efficiency of the M&S architecture design framework.
구미숙(MiSug Gu),황정희(JeongHee Hwang),류근호(KeunHo Ryu) 한국정보과학회 2004 한국정보과학회 학술발표논문집 Vol.31 No.2Ⅱ
현재의 웹은 사용자가 원하는 정보를 정확하고 빠르게 검색 결과를 보여주지 못하는 단점이 있다. 그러므로 사용자에게 정확한 정보 전달을 해 주고자 시맨틱 웹이 등장하게 되었다. 시맨틱 웹은 기계가 이해할 수 있는 온톨로지를 구성하여 사용자가 원하는 정보를 정확하게 전달해 줄 수 있다는 점에서 미래의 웹으로 각광을 받게 될 것이다. 시맨틱 웹의 기반이 되고 있는 온톨로지는 어떤 특정 도메인에서 사용되는 정보들과 그 정보들 간의 관계를 정의해 놓은 것으로, 관련 도메인 전문가들과 협의에 의하여 개념들과 관계들의 구조를 정하고, 이를 기반으로 구축된다. 실제의 응용 시스템에서는 도메인마다의 구체적인 지식을 포함하는 온톨로지 설계가 필요하다. 이 논문에서는 택배회사가 홈쇼핑사이트 업체를 대상으로 효율적인 마케팅을 하기 위해 홈쇼핑사이트에 대한 기본정보를 추출하는 것을 목적을 한다. 온톨로지를 구축하는 온톨로지 언어에는 RDF, RDF(S), DALM+OIL, Topic Map등이 있다. 이 논문에서는 토픽맵을 사용하여 홈쇼핑 사이트 정보를 검색하기 위한 홈쇼핑 사이트에 대한 온톨로지를 설계하였다.