• Korean Security Journal
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• no.41
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• pp.213-240
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• 2014

How will South Korea design well-organized, open, and integrated counterterrorism system? Does this system work well in the emergent situation? These are very significant issues. It is likely that this system would give the solution. A legal basis needs to be established to have a well-organized, open, and integrated counterterrorism system. The core part of a well-organized, open, and integrated counterterrorism system is to minimize and eliminate damage caused by terror through preventiveness, preparation, action, and restoration. For having this system, they need to be divided into two section: an open one and an integration one. In this study, there will be a discussion on a new and appropriate counterterrorism system fit in South Korea a subordinate system: legal, organized, civil aspects need to be provided on the basis of an well-organized, open, and integrated counterterrorism system and an analysis on the current system of the States, England and the following implications.

• Journal of Labour Economics
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• v.28 no.2
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• pp.55-92
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• 2005

This study examines how the difference in trade openness across manufacturing industries in Korea affects firm's employment strategies and industrial relations, utilizing the Korean establishment panel data. In terms of firm's employment strategy, it is found that trade openness is not associated with a particular employment strategy such as labor cost saving strategy or innovation strategy. This result is consistent with the previous findings that trade liberalization merely affects wages and employment. Moreover, this result disproves, at least for the Korean manufacturing, a general belief that when the domestic market is opened to foreign competition, firms will adopt and rely on labor cost saving strategy intensely. The obtained result concerning the relationship between trade openness and industrial relations is more interesting and informative. It is found that trade openness is positively associated with cooperative industrial relations. Furthermore, the positive relationship is reenforced when the establishment is unionized. This implies that management and union cooperate when they are faced with increased foreign competition as a result of trade liberalization.

• Journal of the Korean Society of Propulsion Engineers
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• v.18 no.2
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• pp.80-85
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• 2014

Side jet thruster using nozzle closure separation device provides a solid rocket with a trajectory shift function. Side jet thruster consists of low combustion temperature propellant, neutral type propellant grain and nozzle closure separation device. If a trajectory shift is required, side jet thrust is generated on the rocket by separating some nozzle closures located in the opposite direction to thrust. After completing trajectory shift, the other nozzle closures located in the thrust direction are separated to cease side jet thrust. The operation process is verified through ground static test. The result in this study can be applied to changing rocket trajectory by controlling side jet thrust through nozzle closure separation.

• Journal of the Korean Society for Aeronautical & Space Sciences
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• v.48 no.10
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• pp.801-807
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• 2020

Opening characteristics of a main oxidizer shut-off valve at different valve inlet pressures have been experimentally investigated. The pilot pressure at the moment of the valve opening increases linearly with increasing the valve inlet pressure and the increased pilot pressure reduces the valve travel time. As the pilot pressure increases at the moment of valve opening, the time to start opening the valve is delayed resulting in increasing the valve opening time. With the increment of the valve inlet pressure, the valve opening time is mainly determined by the time required for the pilot pressure to start opening the valve. Therefore the design of a pilot gas supply system can readily control the valve inlet pressure at the valve opening as well as the amount of oxidizer supplied to a combustion chamber during the engine startup.

• International Area Studies Review
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• v.12 no.3
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• pp.449-465
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• 2008

This paper aims to analyze the causal relationship between exports and regional economic growth based on the provincial data over the period from 1952 to 2004. To reflect the regional and chronical characteristics, this paper divides China into three regions; Eastern, Central and Western regions, and also the whole period into two sub-periods; before and after 1979 when the Open-door policy(ODP) was initiated and applies Granger causality analysis. The Granger causality tests showed that exports Granger cause economic growth in the Eastern region, but not in the Central and Western regions, as a whole. When the period is divided, in the Eastern region, causal relation between the two variables was not found before the Open-door policy. For the second period, however it turns out that exports cause the region's economic growth. This result is consent with the fact that the region has been a main beneficiary of the policy. For the Central region, the tests showed no causality in the pre-ODP period, but significant bidirectional causality in the post-ODP period. Meanwhile, in the Western region, exports turned out causing economic growth significantly before the ODP, while economic growth appeared to causing trade after the ODP.

• Korea Trade Review
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• v.42 no.4
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• pp.185-215
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• 2017

While the future of Trans-Pacific Partnership Agreement is uncertain, TPP did succeed in convincing certain developing countries, which had been reluctant to open its government procurement market in the past, to open their markets. In this paper, we compare the government procurement chapter of TPP with WTO Government Procurement Agreement to see what factors may have convinced these countries to open their government procurement markets. The key factors seem to be an initially very high levels of threshold, coupled with an extended transition period (up to 20 years) to lower the threshold to figures comparable to other countries; and reduction of legal and regulatory burdens dealing with some transparency and procedural requirements. Korea should use these strategies in their future FTA negotiations to try to open foreign government procurement markets. If Korea wants to accede to TPP, it should have very few problems since Korea has similar threshold levels as current TPP members, and legal and regulatory requirements are more strict under GPA, of which Korea is a member.

• Information Systems Review
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• v.19 no.1
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• pp.169-183
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• 2017

As global competition is heating up and product life cycle has been rapidly shortened, each company pursues a variety of competitive technology innovations through different means of innovation. In this study, we assume that open innovation can be a shift motive of the technology innovation paradigm of small and medium enterprises (SMEs) being beyond the limitations of R&D within a company. We analyze the process and content of open innovation and performance. In addition, we identify the problems generated in the open innovation process and analyze the ways to strengthen open innovation. This study is based on the investigations into the technological competitiveness of local SMEs. The innovation ecosystem is analyzed from the perspective of product/service innovation, organizational innovation, and marketing innovation. Situational analysis is presented on the relationship between the innovation capabilities of information and communication technology SMEs and innovation performance.

• Journal of Internet Computing and Services
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• v.18 no.2
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• pp.75-85
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• 2017

Open innovation, a new paradigm which utilizes customer ideas for organizational innovation directly, is evaluated as a useful method to innovate the organization itself. In this research, we analyze the case of Starbucks' online community, MyStarbucksIdea.com to examine how collective intelligence is formed out of mass customers in the community and how open innovation is to be implemented successfully. We review various challenges in implementing open innovation and then suggest practical approaches to the challenges, including customer relationship management, utilization of opinion leaders, application of engineering techniques, etc.

• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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• 2009.10a
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• pp.674-677
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• 2009

The one of the big issues in fixed markets is the investment of next generation networks. The nation-wide incumbent has provided the copper cable based access networks in so far. However in the future multiple providers participant in investing network in first stage of the network investment like mobile networks. Each NRA makes efforts on the resolving construction cost of civil engineering costs through the opening conduits. To smooth operation, information opening service is needed then NRAs must determined the level of opened information and cost of usage information and so on. This paper proposed the alternation of the issues to boost the investment of the next generation networks.

• Journal of Science Education
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• v.36 no.2
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• pp.216-234
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• 2012

This study examined the characteristics of verbal interactions presented in TS activities with different tasks' openness levels by the cognitive levels of students through the implementation of TS program to 14 fifth graders in gifted class. Results of this study revealed that the open-type TS activities showed higher percentages of verbal interactions than the guiding-type TS activities showed and that the higher the open level of tasks was, the more high-level verbal interactions occurred. These results were showed in almost all subcomponents of verbal interactions. The results according to the students' cognitive levels showed that the higher the cognitive level of students was, higher frequency of interactions, high-level verbal interactions and a variety of verbal interactions occurred. The influence of both cognitive level of students and the task's openness on verbal interactions among students seemed to be interactive, however. In guiding-type activities, the percentage of high-level verbal interactions was not high although the cognitive level of students was high. And students in low level of cognition showed far lower frequency of interactions and their percentage of high-level verbal interactions was low even though the openness of the tasks was high. The results of this study meant that although open-type activities drew higher level verbal interactions by stimulating students' thought, the effects would be limited owing to their low cognitive level. Based on these findings, an implication was suggested that it is important to design instructional strategies and adjust openness level of TS activities to students' cognitive level so as to stimulate the thinking of students in lower cognitive level and to highten their engagement in activities.