• 한국정보통신학회논문지
• /
• 제19권5호
• /
• pp.1031-1039
• /
• 2015

본 연구는 산업연관분석을 통하여 국내 정보보호 제조 및 서비스 산업의 경제파급효과를 분석한 것이다. 분석 결과, 정보보호 제품의 생산유발계수는 전 산업 평균보다 크지만, 정보보호 서비스는 전 산업 평균을 크게 하회하는 것으로 나타났다. 반면, 부가가치유발계수 및 고용유발계수의 경우 정보보호 서비스는 전 산업 평균을 크게 상회하는데 반해, 정보보호 제품은 전 산업 평균에 미치지 못해 생산유발계수와 대조적인 결과를 보였다. 전ㆍ후방 연쇄효과는 정보보호 제품 및 서비스 모두 산업 평균보다 낮은 수준으로 나타났다. 그리고 정보보호 산업은 전반적으로 국민경제에 미치는 성장 기여도와 고용기여도가 미약한 것으로 나타났으며, 특히 정보보호 제품의 경우 고용기여도가 마이너스를 기록해 해당 부문의 고용증대를 위한 노력이 시급한 것으로 나타났다.

• 한국건설관리학회논문집
• /
• 제19권2호
• /
• pp.25-37
• /
• 2018

민간투자자 사이에서의 리스크 재분담은 민간투자자의 현금흐름에 추가적인 변동성을 야기하며, 민간부문의 투자결정에 있어 제약요인이 되고 있다. 하지만 기존의 재정건전성 평가모델은 지분거래와 약정거래가 충분히 반영되지 않아, 민간투자자 간 리스크 재분담에 따른 현금흐름의 변동성을 분석하기에 한계가 있다. 본 연구는 민간투자자 사이에서 이루어지는 지분거래와 약정거래를 분석하고, 이를 반영한 민간투자자의 재무적 평가 모델을 개발하였다. 또한, 개발된 모델의 실증적 분석을 통해 지분거래의 주요변수와 약정거래의 영향요인을 도출하였으며, 민간투자자 간 리스크 재분담과 민간투자자의 수익률 간의 관계를 증명하였다. 본 연구는 리스크 재분담에 대한 민간투자자의 의사결정에 기여할 것이며, 더 나아가 민간투자사업의 협약지연의 문제를 관리하는데 도움이 될 것이다.

• 한국대기환경학회지
• /
• 제30권2호
• /
• pp.150-160
• /
• 2014

Greenhouse gas (GHG) and Air Pollution (AP) emission inventories have been constructed and estimated independently up-to-date in Seoul. It causes difficulty in GHG and AP integrated management due to a difference in emission inventories. In this study, we constructed GHG and AP integrated emission inventories for direct and indirect sources in Seoul during the year 2010 in Energy activities for estimating GHG and AP emissions were derived from IPCC guideline, guidelines for local government greenhouse inventories, air pollutants calculation manual, and Indirect Emission Factors (IEF) reported by Korea Power Exchange. The annual GHG emission was estimated as 50,530,566 $tonCO_{2eq}$, of which 54.8% resulted from direct sources and the remaining 45.2% from indirect sources. Among direct sources, transportation sector emitted the largest GHG, accounting for 47.3% of the total emission from direct sources. As with indirect sources, purchased electricity sector only emitted 98.6% of the total emission from indirect sources. The annual AP emission was estimated as 283,701 tonAP, of which 85.9% was contributed by the combined AP emissions of transportation and fugitive sectors. Estimation of individual air pollutant showed that the largest source were transportation sector for CO, $NO_x$, TSP, $PM_{10}$ and NH3, non-energy sector for $SO_x$, and fugitive sector for VOCs. This study found some limitations in estimating GHG and AP integrated emissions, such as nonconforming emission inventories between GHG and AP, and no indirect AP emission factor of purchased electricity, and so on. Those should be further studied and improved for more effective GHG and AP integrated management.

• The Journal of Asian Finance, Economics and Business
• /
• 제7권9호
• /
• pp.39-49
• /
• 2020

This study empirically examines herd behavior for fast moving consumer goods (FMCG) sector stocks under varied market return conditions and the period during the global financial crisis and its aftermath. We examine the sample of stocks trading on the Nifty FMCG Index of the Indian equity market from January 2008 up to December 2018 using the dispersion measure of cross sectional absolute deviation and examine its relationship with the market return to explore herd phenomenon. Quantile regression estimate is used and the results of the study validate rational asset pricing models as the sector does not display herding. In contrast, anti-herd behavior at lower and median quantile values is observed. A possible reason can be the non-cyclical nature of the industry where investors rely more on the fundamentals rather than crowd chasing. We also findthe absence of herd phenomenon during the market asymmetries of bull and bear phases, extreme movements, the period of the global financial crisis, and afterward. We further examine herding under the impact of the information technology (IT) industry and conclude that significant return movements in IT sector impact dispersions in the FMCG industry. Also, there is a co-varying risk between the two sectors confirming the spillover in an integrated market.

• 품질경영학회지
• /
• 제38권3호
• /
• pp.363-377
• /
• 2010

Although the importance of the service sector has been highlighted recently, service innovation remain under-researched by scholars. Innovation research based on manufacturing sector suggests that innovation strategy varies according to the objectives of innovation and has a positive influence on firm performance. To investigate the path that links the objectives of innovation, innovation strategy used and firm performance, this study develops a conceptual model of service innovation from the literature and tests the Structural Equation Model(SEM) using STEPI (Korea's Science and Technology Policy Institute) data. We could identify the causal relationships both between the objectives of innovation and innovation strategy and between innovation strategy and firm performance in service as in manufacturing, but we also found that the results of the empirical study for the service industry, in particular, the empirical results on the relationship between the aims of innovation and innovation strategy used, are quite different from those for manufacturing.

• The Journal of Asian Finance, Economics and Business
• /
• 제7권10호
• /
• pp.729-740
• /
• 2020

The study examines the efficiency of private sector banks in India with the help of Window DEA (Data Envelopment Analysis) for a period from 2005 to 2017. With a window of three years, the period was divided into 11 windows. The study outcomes show that 59.9% of all private sector banks in India operate at more than 0.9 level of efficiency, and there are only three occasions when banks were operating at the efficiency value between 0.6 to 0.7. Further, the consistency in the efficiency scores of the banks has also been analyzed using an efficiency mapping matrix, and the mean efficiency score of the bank in each window is studied. The score of standard deviation was interpreted accordingly for these banks. Banks that are showing the highest efficiency scores also have a higher variance of efficiency scores. There was no bank identified in the matrix that promises high-efficiency ratings with low variability. The study concludes that the analysis of the efficiency mapping matrix indicates that, as a DMU escalates in the efficiency scores, the standard deviation reflecting the risk in overall efficiency scores also tends to rise. The findings complement the concept of higher risk to higher return or greater efficiency.

• 산업공학
• /
• 제22권4호
• /
• pp.336-346
• /
• 2009

One of primary assumptions on DEA is that all DMUs for evaluation should be homogeneous. In comparative analysis among DMUs with relative efficiency measurement, it should be evaluated under identical conditions by ruling out external environmental influences. In this study, a measurement of innovation efficiency using the three-stage approach is performed. The approach employs DEA to measure relative efficiency and Tobit regressions to control external variables affecting innovation activity. The approach applied to firms in Korean Innovation Survey: Service Sector 2003 and 2006. Final efficiency scores of the approach represent net efficiency of the innovation. This study found that there is a increasing on technical efficiency of third stage, and it has difference with first stage significantly. Besides, a decrease on standard deviation of third stage is found. It means DMUs biased lower due to unfavorable condition and ones biased higher due to favorable condition are fallen into an identical operating environment through the approach. A measurement of net efficiency, excluding external effects, ensures the homogeneity of DMUs so that improves the reliability in terms of its analysis results. This study is expected to provide a direction and to be a valuable reference to further evaluation of innovation performance in Korean service sector.

• 지역사회간호학회지
• /
• 제18권4호
• /
• pp.593-600
• /
• 2007

Purpose: This research was carried out to present an ideal cooperative model between the public and private health sectors for the management of community dementia patients. Method: In this study a public-private cooperative council was formed, basic data for dementia patients and their families were collected, and a dementia service program was carried out in cooperation between the two sectors. Results: The survey data shows the majority of the registered patients were undergoing a chronic diseases which would make the dementia health service inefficient. The cooperative public-private council adopted the reinforcement of medical service to the public enrolled dementia patients. The intensive medical service program showed effects on the health status of the dementia patients. Conclusion: The results of this study pointed out that change of the health insurance program supportive to the private sectors to be made; a referral system for the public health sector to the private sector should be established; and expanding the capacity of the visiting health program in the public health sector is needed.

• 산경연구논집
• /
• 제13권10호
• /
• pp.15-22
• /
• 2022

Purpose: In the manufacturing sector, VDI (Virtual Desktop Infrastructure) offers advantages to the organizations, such as allowing manufacturers access to the system from any location. The most important things are understanding what the user needs, avoiding under-provisioning, network preparation. This research is to provide useful practical l implementations of VDI in manufacturing industry based on numerous prior studies. Research design, data and methodology: This research has conducted the qualitative content analysis (QCA). When conducting this research, the present author assumed that it is crucial to create the procedures and processes that will be used to acquire the text data needed to structure or solve problems. Results: According to the prior literature analysis, there are five suggestions to implement successful VDI for manufacturing sector. The five solutions are (1) Creation of the machines, (2) Direct users to an available 'Virtual Machine', (3) 'Virtual Machine Power Management', (4) Performance monitoring, and (5) Review security. Conclusions: The research clearly details how VDI can be implemented on a manufacturer platform and how it can be connected to hundreds of users. The author can conclude that connecting hundreds of users can be done using the remote connection of devices and encourage manufacturers to work from different areas.

• 품질경영학회지
• /
• 제50권1호
• /
• pp.21-33
• /
• 2022

Purpose: As most defense technologies are classified as confidential, the corresponding International Patent Classifications (IPCs) require special attention. Consequently, the list of defense-related IPCs has been managed by the government. This paper aims to evaluate the defense-related IPCs and propose a methodology to revalidate and improve the IPC classification scheme. Methods: The patents in military technology and their corresponding IPCs during 2009~2020 were utilized in this paper. Prior to the analysis, patents are divided into private and public sectors. Social network analysis was used to analyze the convergence structure and central defense technology, and association rule mining analysis was used to analyze the convergence pattern. Results: While the public sector was highly cohesive, the private sector was characterized by easy convergence between technologies. In addition, narrow convergence was observed in the public sector, and wide convergence was observed in the private sector. As a result of analyzing the core technologies of defense technology, defense-related IPC candidates were identified. Conclusion: This paper presents a comprehensive perspective on the structure of convergence of defense technology and the pattern of convergence. It is also significant because it proposed a method for revising defense-related IPCs. The results of this study are expected to be used as guidelines for preparing amendments to the government's defense-related IPC.