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A CGE Analysis of Free Trade Agreements among China, Japan, and Korea
Youngman Yoon,Chi Gong,Taek Dong Yeo 한국무역학회 2008 한국무역학회 국제학술대회 Vol.2008 No.12
In this paper, we investigate the economic impacts of possible FTAs among China, Japan, and Korea and then compare the GDP and welfare effects of FTAs. In order to make a CGE analysis, we employ a multi region, multi sector static CGE model with 5 regions, 12 sectors and 5 endowments, assuming that land, unskilled labor and natural resource cannot mobile among the regions and that skilled labor and capital can mobile among them. Considering four possible FTA scenarios (FTA CJK, FTA KC, FTA KJ, and FTA CJ), we examine the economic effects of FTAs and then show which form of FTAs is most beneficial for each country. For the best scenario of FTA policy, Korea would establish an FTA with China; China would like to form a trilateral FTA with Korea and Japan; Japan would not care much about an FTA with Korea, but for the optimal results Japan, like China, would choose to form a trilateral FTA with China and Korea. In addition, we provide the output and trade effects of FTA KC and FTA CJK.
A CGE Analysis of Free Trade Agreements among China, Japan, and Korea
Youngman Yoon,Chi Gong,Taek Dong Yeo 韓國貿易學會 2008 國際學術大會 論文集 Vol.2008 No.12
In this paper, we investigate the economic impacts of possible FTAs among China, Japan, and Korea and then compare the GDP and welfare effects of FTAs. In order to make a CGE analysis, we employ a multi region, multi sector static CGE model with 5 regions, 12 sectors and 5 endowments, assuming that land, unskilled labor and natural resource cannot mobile among the regions and that skilled labor and capital can mobile among them. Considering four possible FTA scenarios (FTA CJK, FTA KC, FTA KJ, and FTA CJ), we examine the economic effects of FTAs and then show which form of FTAs is most beneficial for each country. For the best scenario of FTA policy, Korea would establish an FTA with China; China would like to form a trilateral FTA with Korea and Japan; Japan would not care much about an FTA with Korea, but for the optimal results Japan, like China, would choose to form a trilateral FTA with China and Korea. In addition, we provide the output and trade effects of FTA KC and FTA CJK.
Jang, Youngman,Yoon, Seungha,Lee, Kisu,Lee, Seungkyo,Nam, Chunghee,Cho, B K IOP Pub 2009 Nanotechnology Vol.20 No.12
<P>The characteristics of domain wall (DW) pinning at a notch in a spin-valve nanowire were investigated when a DW was created by a current, flowing into a spin-valve nanowire. It was found that DW pinning at a notch is quite sensitive to the magnitude of the current and its polarity. The current-polarity dependence of DW pinning is likely due to the spin structure in the core of the DW, which is determined by an Oersted field from the current in a Cu layer. This indicates that the control of DW pinning at a notch in a nanowire can be achieved by a current acting on its own, which is an important advantage of this method, compared with field-induced DW control.</P>
Origin of asymmetry of tunneling conductance in CoFeB∕MgO∕CoFeB tunnel junction
Jang, Youngman,Lee, Kisu,Lee, Seungkyo,Yoon, Seungha,Cho, B. K.,Cho, Y. J.,Kim, K. W.,Kim, Kwang-seok American Institute of Physics 2009 JOURNAL OF APPLIED PHYSICS - Vol.105 No.7
<P>We investigated the top and bottom interfaces of a CoFeB/MgO/CoFeB tunnel junction using transmission electron microscope (TEM) and x-ray photoemission spectroscopy (XPS) in order to understand the origin of the asymmetry of dI/dV in terms of bias polarity. It was found, from a TEM image, that there is no clear cut at the top interface, while the bottom interface has relatively clean boundary. Furthermore, XPS data show that more hydroxides were formed at the top interface than at the bottom interface. These indicate that the hydroxides would hinder the epitaxial crystallinity at the interface in CoFeB/MgO/CoFeB tunnel junctions. Therefore, it is most likely that the asymmetry of dI/dV is caused by the disappearance of minority Bloch state, which is closely correlated with the existence of hydroxides at the top interface of a CoFeB/MgO/CoFeB tunnel junction. (C) 2009 American Institute of Physics. [DOI: 10.1063/1.3055344]</P>
ATM망에서 QoS 측면의 성능관리모델의 설계 및 구현
윤종관(Jongkwan Yoon),이재오(Jaeoh Lee),안병호(Byoungho Ahn),강영만(Youngman Kang),조국현(Kukhyun Cho) 한국정보과학회 1995 한국정보과학회 학술발표논문집 Vol.22 No.2B
상호대화와 멀티미디어정보의 전송을 특성으로 하는, 원격교육, 화상회의, 멀티미디어 데이타베이스 등의 새로운 종류의 응용프로그램들에서 사용자의 요구조건을 만족시키기 위하여 QoS(Quality of Service) 관리가 필요하게 되었다. 다양한 종류의 응용프로그램 특성들을 지원하는 ATM망에서 효율적인 QoS 관리를 위해 TMN 측면에서 QoS 관리 모델을 설계하고 구현한다.