• International Area Studies Review
• /
• v.12 no.3
• /
• pp.419-448
• /
• 2008

The objective of this study is to conduct a quantitative assessment of potential impacts on the Korean economy of Agreement on Trade in Services Under the Framework Agreement on Comprehensive Economic Cooperation Among the Governments of the Republic of Korea and the Member Countries of the Association of Southeast Asian Nations which was signed on 21 November 2007 using a Computable General Equilibrium (CGE) model. Tariff equivalents of services were calculated on the basis of concessions made in the Agreement between Korea and ASEAN member countries. The empirical analysis shows that Korea is to get an additional gain in real GDP of 0.04 percent and in welfare of US$106 million, with an increase in per capita utility of 0.03 percent. Total exports and imports of Korea are to rise by US$179 million and $191 million, respectively, causing a trade deficit of $12 million. Korea's exports to ASEAN member countries will increase by $108 million and Korea's imports from them will rise by $278 million, giving rise to a trade deficit of $170 million.

• Journal of the Korea Academia-Industrial cooperation Society
• /
• v.12 no.5
• /
• pp.2285-2290
• /
• 2011

This paper is the research on SMSR yield improvement of the optical transceiver using modulated DFB laser. In general, the wavelength of DFB laser optical transceiver are 1310, 1490 and 1550 nm. Usually SMSR in modulated DFB is difficult to improve as low as 30 dB because of high slop efficiency trade off. In modulation condition, we studied SMSR improvement according to adjust bias current, extinction ratio and optical line terminal receiver sensitivity. As our test results, we can found a method how to improve SMSR for optical transceiver for long distance.

• Journal of the Korea Academia-Industrial cooperation Society
• /
• v.12 no.8
• /
• pp.3472-3477
• /
• 2011

Many researchers have studied to investigate causes of volatility and they have used macro economic variables. This paper defined the volatility as that of stock. Researches on the volatility of stock and corporate performances are not adequate yet. Therefore, this paper estimate the volatility and corporate performances using ROA and Tobin Q. Results show the following suggestions, first, there is negative effect on the volatility of stock when we use ROA as the corporate performances. Second, there is positive effect on the volatility of stock when we use Tobin Q as the corporate performances.

• Journal of the Korea Academia-Industrial cooperation Society
• /
• v.13 no.3
• /
• pp.1091-1098
• /
• 2012

From the perspective of risk management, financial organization that have issued ELW require an efficient hedging methodology due to recently increased trade volume of ELW. This study presents an ELW hedging methodology using artificial neural network(ANN) to minimize hedging costs. The performance of the presented methodology in this study is examined by analysis utilizing the prices and volatilities of underlying assets, risk free interest rates, and maturities and computational experiments show that the proposed method is superior to existing dynamic delta hedging(DDH) technique in terms of hedging costs ranged from 25% to 250%.

• Journal of the Korea Academia-Industrial cooperation Society
• /
• v.14 no.11
• /
• pp.5434-5441
• /
• 2013

Using longitudinal data of 575 sample from 122 firms in large business conglomerates from 2001 to 2008, this study examines the impact of controlling shareholders' control-ownership disparity on executive compensation. The empirical study finds that controlling shareholders' control-ownership disparity is negatively related to the level of executive compensation and moderate negatively the relation between firm performance and executive compensation. This finding suggests that controlling shareholders' control rights in excess of ownership rights lead to decreased executive compensation in order to relieve the concerns of stakeholder about the potential agency costs of controlling shareholder, and have, on the other hand, entrenchment effects on the decision of executive compensation by decreasing its sensitivity on firm performance.

• Korean Journal of Agricultural Science
• /
• v.27 no.2
• /
• pp.182-189
• /
• 2000

The issue of food security will become one of the most widely concerned area of public policy in North East Asia coming 21st century. Although those countries such as China, Japan, South and North Koreas and Mongolia places emphasis on the need to have stable and reliable capacity for food production, it will be highly possible for these regions to experience the shortage of food supply due to growing population, expanding urbanization and rapid industrialization within next decade. Since world food markets are characterized as unstable structure and dominated by large multinational firms, their reliances on importing staple food may create the aggravation of food shortage problem in emergency situations. One possible proposal for solving food security in north-east region might be movements toward multilateral food supply assurance agreements as a component of trade negotiations among these countries. As measures for cooperation for securing food supply in these regions, following principles would be suggested; 1) encouraging agricultural cooperation based on private business, 2) exchange of technical and human resources rather than material support, 3) developing mutual concern and benefits, 4) managing joint buffer stock for staple food.

• The Korean Journal of Air & Space Law and Policy
• /
• v.22 no.2
• /
• pp.135-154
• /
• 2007

The 3 Northeast Asian countries of Korea, Japan and China have been stricter to each other than to other countries of out-region in air liberalization. The prominent reason of this intra-regional protective policy in air transportation seems to be the difference in competitive strength of their national flag carriers. As the 3 countries realize the importance of their mutual cooperation in the region, since China grows to be one of the leading economies in the world and the intra-regional trade and visitors increase tremendously, they are now taking the policy of intra-regional air liberalization more vigorously than before. Especially air cargo liberalization is easier than air passenger liberalization because they realize that the development of open economy is based on free flow of logistics regardless of the competitiveness of their national flag carriers. As Korea is the leading country in the region to promote air liberalization, this paper reviews the importance and growing trend of air cargo, analyzes current air liberalization policy between Korea, Japan and China and the initial effects of open sky in the routes of Shandung-Korea, and suggests the new policies of air liberalization to promote free flow of air logistics.

• Journal of the Korea Academia-Industrial cooperation Society
• /
• v.12 no.12
• /
• pp.5558-5563
• /
• 2011

Using longitudinal data of 108 firms in large business conglomerates from 2001 to 2009, this study examines the impact of controlling shareholders' control-ownership disparity on R&D investment. The study finds that control-ownership disparity is negatively related to R&D intensity. This empirical result suggests that controlling shareholders' control rights in excess of ownership rights incent controlling shareholders' expropriation for their private interests, leading to decreased R&D investment which enhances firm value in the long term.

• Journal of the Korea Academia-Industrial cooperation Society
• /
• v.16 no.5
• /
• pp.3155-3161
• /
• 2015

This paper attempts to analyze the socio-economic determinants of demanders for cultural performance. To take into account zero responses (no expenditure or no experience for cultural performance, this paper employed a two-equation model and tobit model. the results of this study can be obtained the following conclusion. The demands of performing arts tend to be increased to people as they were younger, women, more earned and higher educated. In addition, the income is inelastic to demand. And after a certain age (peak age), the demand is increased.

• Journal of the Korea Academia-Industrial cooperation Society
• /
• v.11 no.11
• /
• pp.4597-4603
• /
• 2010

A factorization is a very important part of multi-level logic synthesis. The number of literals in a factored form is an estimate of the complexity of a logic function, and can be translated directly into the number of transistors required for implementation. Factored forms are described as either algebraic or Boolean, according to the trade-off between run-time and optimization. A Boolean factored form contains fewer number of literals than an algebraic factored form. In this paper, we present a new method for a Boolean factorization. The key idea is to identify two-cube nonkernel Boolean pairs from given expression. Experimental results on various benchmark circuits show the improvements in literal counts over previous other factorization methods.