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한국, 미국, 일본과 아시아 금융위기 국가의 주식시장간 조건부상관관계 추정과 정보확산속도에 관한 연구
이상빈(Sang Bin Lee),서정훈(Jeong Hun Seo) 한국경영학회 2009 경영학연구 Vol.38 No.3
As the financial markets of emerging nations have become internationalized and integrated nowadays, much prior research shows that co-movements between the international stock markets have sharply increased, especially during financial crises such as Black Monday. This suggests that the analysis of the time-varying conditional correlation is important. The timevarying conditional correlation depends on both the degree of connection between nations and composition of optimal portfolios for asset allocation and risk management. In order to show how the co-movements between financial markets have been during the financial crises, we have investigated dynamic conditional correlation for stock returns of sample nations during the Asian crisis period and IT bubble crisis. We also examine the contagion effect and the relationship between the information diffusion speed and the contagion effect. The analysis period for the paper is from January 1990 to December 2007. The sample data include Korea, three Southeast Asian nations (Thailand, Indonesia, and Malaysia) which have experienced the Asian financial crisis, the U.S., and Japanese stock markets, which can be considered advanced stock markets. We estimate dynamic conditional correlation between sample nations. We also use an estimator, which is calculated through the Fisher transformation, in order to analyze the contagion effect. Also, we test information diffusion speed by the autoregressive structure of timevarying volatility of the GARCH model. Finally, we test the robustness of the contagion effect using weekly stock returns as well as daily stock returns, and analyze whether or not the increase in volatility during the crisis period affects the contagion effect beyond the information diffusion speed. Empirical results can be summarized as follows. First, the estimation of the dynamic conditional correlations between sample nations satisfies the necessary conditions of a model estimator. Furthermore, the conditional correlation is time-varying as time passes. Second, the contagion effect among Korea and Southeast Asia (Thailand, Indonesia, and Malaysia) is significant but not between these nations and the U.S. This result implies that the Asian nations are strongly connected with the U.S. economy during the Asian financial crisis. Third, we have investigated how the information diffusion speed has impacted on the contagion effect. The information diffusion speed of the three Southeast Asian nations is faster than Korea and Japan during the Asia crisis period. This indicates that the information diffusion speed depends on the relative size of the economy. To check whether the results are robust across the frequency of the data set, we use the weekly stock returns beyond the daily stock returns. The estimation results of the weekly data are slightly different from the previous results of the daily data. This may suggest that when non-synchronicity of trading and the institutional differences of stock markets are significant, the use of unsuitable data sets for analysis may not guarantee reliability for risk management and international portfolio management in which the dynamic conditional correlation plays an important role.
중국 온주지역 산업클러스터의 형성과 발전 요인에 관한 연구
이상빈(Sang-Bin Lee),염명배(Myung-Bae Yeom) 한국경영사학회 2012 經營史學 Vol.62 No.-
본 연구는 온주지역 산업클러스터의 사례연구를 중심으로 지역산업 및 산업클러스터의 역사적 형성과 발전의 특징을 살펴보았다. 또한 온주지역에서 나타나고 있는 지역산 업클러스터의 유형별 특성뿐만 아니라 지역혁신체계와 사회문화적 요소간의 관계를 설명하였다. 온주(溫州)는 중국의 시장개혁의 촉진과 민영기업의 발전을 주도했던 핵심 지역의 하나로 인문적으로는 절동지역의 유교문화(浙東實學的傳統), 그리고 지리적으로는 해양문화의 전통에 영향을 받았던 지역이다. 개혁개방이후 성장해왔던 온주의 산업 클러스터는 온주 경제의 핵심 구성 요소로서 자원 배분의 효율성을 개선할 뿐만 아니라 지역 경쟁력을 증진 시키는데 중요한 역할을 해왔다. 온주의 산업클러스터는 송대부터 가족구성원을 중심 단위로 하는 ‘가족수공업장’과 외부인을 고용하는 ‘비(非)가족수공업장’으로의 발전을 통해 전통 수공업을 중심으로 한 지역의 사회적 분업에서 기인한다. 가족공장형태의 수공업전통에서 발전하기 시작한 온주의 가족기업은 전략적으로 통합된 생산단위를 기초로 한 유연한 생산체계를 통해 최근 집적화된 규모의 경제로의 촉진과 지역 특색적인 산업클러스터로의 발전을 이루었다. 클러스터링을 통한 온주지역사회의 협업적 분업체계는 기업규모의 확대과정에서 나타날 수 있는 생산비용과 기타 소모비용을 절감시키기 위한 목적으로 강화되고 있다. 온주사례는 산업클러스터내에서의 기업의 창업과 집단학습, 그리고 혁신활동을 촉진 시키는 기업가정신은 지역적 환경조건과 사회문화적 규범에서 유래하고 있음을 보여주고 있다. This study examined the historical formation and developmental characteristics of local industrial clusters in Wenzhou case. The economy of industrial cluster in Wenzhou was formed after reform which is an important component of Wenzhou economy, and it plays an important role in improving efficiency of resources distribution and promoting regional competitive advantages. Within the regional learning and innovation cluster literature, the precise impact of regional culture on firms or industrial cluster s competitive performance remains unspecified. In response, this paper draws on research on Wenzhou s manufacturing industrial cluster, embedded in a highly visible regional culture, Confucianism from the school of Yongjia thought. This paper shows how regional cultural traits imported into the regional industrial cluster in Wenzhou, and the paper measures the material impact of the regional cultural embedding on regional industrial cluster s innovative capacities and hence abilities to compete. This study evaluated the community spirit of local culture and local entrepreneurship in determining the characteristics of industrial clusters is a socio-cultural factors, and even those elements that make up the regional innovation system looks to see if a key factor to understand.
이상빈(Sang-Bin Lee),한인수(In-Soo Han),오근엽(Keun-Yeob Oh),성을현(Eul-Hyun Sung),노준화(Jun-Hua Rho),유병주(Byung-Joo Ryu) 경희대학교 인류사회재건연구원 2008 OUGHTOPIA Vol.23 No.2
대덕연구개발특구에서 기업과 연관기업, 그리고 기업과 네트워크 구성주체 사이에서 나타나는 특성은 네트워크주체별 자체혁신이 이루어지고 있지만, 네트워크의 형성 및 발전과정에서 나타나는 주체들 간의 외부 혁신 즉 외부네트워크를 통한 전체 혁신이 촉진되고 있지 못하다. 지역혁신클러스터로서 대덕연구개발특구에서는 기업과 기타 구성주체간의 네트워트간의 근접성효과가 발휘되지 있지 않고 있다. 대덕연구개발특구는 지리적 근접성에 기반을 두고 진화과정을 겪고 있지만 현 시점에서는 기업의 혁신활동과 경쟁력을 제고 하는데 도움이 되는 조직적 근접성이 상실되고 있다. 혁신네트워크주체간의 조직적 근접성 상실에 대한 문제를 해결하기 위한 방안으로는 인식, 사회적 차원, 그리고 제도의 일체감을 증진시키는 지역혁신조직으로 활성화 되어야 할 필요가 있다. This paper examines networks of high-technology firms with related companies, parts and material suppliers, service providers and supporting institutions in and around the Dae-deok R&D Special Zone(DRDSZ) in Korea. It has been found that there has not been active innovative activities among related actors of DRDSZ, as there existed very few interactions between the high-technology firms with other actors, while there have been some innovative activities within individual firms. It argues to enhance cognitive, social, and institutional proximity in order to strengthen competitiveness of the high-technology firms of the DRDSZ.
기업의 경영환경과 기술경영역량이 기업성과에 미치는 영향
이상빈(Sang Bin Lee),김훈(Hoon Kim) 충남대학교 경영경제연구소 2015 경영경제연구 Vol.37 No.2
본 연구는 기업의 외부환경이 기술경영역량과 성과에 미치는 영향을 분석하였다. 특히 본 연구에서는 기업의 경영환경의 변화와 기술경영역량에 관한 관계를 분석하였다. 경영환경의 변화는 환경불확실성, 시장이질성, 산업성장률을 고려하였다. 본 연구의 목적을 달성하기 위해 대전, 충남 지역의 76개 생산기업을 대상으로 데이터를 수집하였다. 수집한 데이터는 PLS를 활용하여 분석하였다. 가설검정 결과, 환경불확실성, 시장이질성, 산업성장률이 기업의 기술경영역량에 유의적인 긍정적 영향을 미치는 것으로 나타났다. 그리고 기술경영역량이 기업성과에 유의적인 긍정적 영향을 미치는 것으로 나타났다. 따라서 급격한 경영환경의 변화 속에서 성과를 향상시키기 위해서 기업의 다른 기업과 차별화된 기술경영역량을 보유하고 발전시켜 나가야 할 것이다. The objective of this paper seeks to examine the relationships among the business environment, the technology management capability and firm performance. The development of the research model is based on the empirical studies of the management from technology literature. A theoretical model was tested in which a business environment exerts a direct effect on the technology management capability; the technology management capability then influences firm performance. A business environment consists of three parts: environmental uncertainty, heterogeneity and market growth. The model was empirically tested from a survey consisting of 76 South Korean productivity firms. The data obtained from the survey were analyzed using Partial Least Squares (PLS). Based on the empirical analysis, the following results are discussed in the following sentences. First, technology management capability was affected by environmental uncertainty, heterogeneity and market growth of business environment. Second, firm performance was affected by the technology management capability. This article focuses on how technology management capability can improve the performance of a firm in a rapidly changing and complex business environment. We conclude that firms must build up their technology management capabilities to achieve their higher for performance .
용무도 복합운동이 청소년의 비만 수준별 혈관탄성, 혈중지질 및 아디포넥틴에 미치는 영향
이상빈 ( Sang Bin Lee ),장창현 ( Chang Hyun Jang ) 한국운동생리학회 2015 운동과학 Vol.24 No.4
PURPOSE: The purpose of this study was to investigated of Yong Moo Do combined exercise (kick, punch, press, throw, and choke) affect vascular compliance, blood lipid and adiponectin in adolescent. METHODS: 3 groups (27 high school students) participated in experiment as follows: subjects who have normal weight and non-exercise (Control group, NC: n=8), who have normal weight and Yong Moo Do combined exercise(NE: n=10), who have obese weight and Yong Moo Do combined exercise(OE: n=9), Yong Moo Do combined exercise was composed of one hour per time, 3 times per week during 12 weeks. All data were analyzed Two-way repeated ANOVA. RESULTS: Body composition (%BF, BMI and WHR) significantly higher OE than NE and NC (p<.05). %BF and WHR significantly decreased in NE and OE after 12 weeks exercise (p<.05). Right Hand, Left Hand, Right Foot, and Left Foot significantly increased in NE and OE after 12 week exercise (p<.001). LDL-C significantly decreased in NE and OE after 12 week exercise (p<.001), and HDL-C significantly increased in NE and OE (p<.001). Adiponectin, significantly increased at 12 weeks NE and OE after exercise (p<.001). CONCLUSIONS: These findings suggest that Yong Moo Do combined exercise might result positive effect for vascular compliance, blood lipid profiles and adiponectin in obese high school students.