• Journal of Technology Innovation
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• v.25 no.4
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• pp.239-261
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• 2017

This paper analyzes how corporate product innovation affects firms' revenue and financial stability, and thereby draws the implications for the corporate strategy for sustainable growth. Corporate product innovation is defined as the development of new products within the firm, including bought-in products. Corporate revenue is measured by per capita sales and its growth rate, while financial stability is measured by debt-to-equity ratio and liquidity ratio. In the empirical analysis, the two-stage estimation method was used to control for the endogeneity of new product development. The data are drawn from the first (2005) to the sixth (2015) wave of the Human Capital Corporate Panel (HCCP) Survey, which are matched to the data from the Korea Investors Service (KIS). The results of the first-stage estimation indicate that product innovation of the firm is promoted by the firm's knowledge capital stock, human resources investment, and market-leading strategy. The second-stage estimation results indicate a positive relationship between the firm's level of activity in product innovation and short-term revenue (per capita sales and its growth), and financial stability (lower debt-to-equity ratio and higher liquidity ratio). These findings confirm that the firm's investment in technology innovation and subsequent product innovation are important strategies to enhance both short-term corporate revenue and long-term financial stability.

• Management & Information Systems Review
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• v.32 no.2
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• pp.165-191
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• 2013

A long debate has been made about whether job satisfaction facilitates or impedes union participation. This study analyzed the moderating effect of union instrumentality in the relationship between job satisfaction and union participation. The data collected from 826 employees of 22 workplaces were empirically evaluated. The result of the research revealed that both positive effect and negative effect were observed in the relationship between job satisfaction and union participation. The positive effect was noticed in the direct influence of job satisfaction on the union participation. However, given the interaction between job satisfaction and union instrumentality, the job satisfaction showed the negative effect on the union participation. Based on this result, we can conclude that the direct influence of job satisfaction on the union participation supports dissonance theory about the union participation and the interaction effect between job satisfaction and union instrumentality confirms the utility theory. The present study indicates that the effect of union participation is more reinforced when job satisfaction and union instrumentality are closely connected than when job satisfaction independently affects union participation. Thus, the result implicates that for the revitalization of the labor union, the organization needs to offer a variety of services to satisfy the expectation of whole union members in practical terms instead of concentrating on the labor movement for the political struggle. This point says a lot for a new direction of labor movement.

• Korean journal of communication and information
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• v.77
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• pp.73-107
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• 2016

The general programming channels, newly introduced around the beginning of the 2010s, have grown into powerful journalistic agencies, the far-reaching social influences of which are not confined by the economic effects within the South Korean media industry. They are now rendered to become part of major socio-political institutions that try to secure their privileges based on broadcast journalism, and to widen their business opportunities through those special kind of social practices. This research has taken a path of theoretical endeavour to devise a conceptual framework that will effectively lead to a series of academic investigation into the socio-political characteristics of general programming channels. To this end, specific attention is paid to such theoretical and conceptual resources as the instrumentalization of media by the politics, the political sociology of media power, media-political parallelism, and the structural coupling between the political and the media systems. This paper suggests that general programming channels have emerged as a new interface that accommodates and actualizes the structural coupling between the two societal subsystems, and in the course of that, they undercut the vulnerable basis of media public sphere, effectively replacing it with entertaining media-political sphere constructed and managed by themselves. This sphere is where the media system's logic and the poltical system's logic are intertwined, simutaneously accelerating not only the mediatization of the politics but also the politicization of the media.

• Journal of The Korean Association For Science Education
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• v.35 no.3
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• pp.431-442
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• 2015

SSI instruction can be an effective tool to promote key competencies for future citizens. Our assumption of the study is that applying the concept of collective intelligence in the context of SSI learning would facilitate the learning. Thus, we designed and implemented Collective Intelligence-based SSI instruction over almost a year and observed the effects of the instruction on enhancing students' collaboration, information management, critical thinking, and communication skills. Twenty 9th grade students enrolled in a science-gifted program voluntarily participated. Data was collected by administering a questionnaire to examine the skills before, in the middle of, and after the instruction, and by conducting classroom observations and focus student group interviews. The results indicated some degree of improvement in their targeted skills. First, they experienced the expansion of their thoughts by actively sharing information and ideas using the web platform. Second, they became more flexible and open to different points of views in order to accomplish a common goal. Third, they appreciated having independent time and space to explore their own positions on the issues and to search necessary information, and believed that the process encouraged them to more pro-actively participate and communicate in the group debates. Lastly, they positively perceived the values that collaboration with diverse group members could produce.

• Asia-Pacific Journal of Business Venturing and Entrepreneurship
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• v.7 no.2
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• pp.167-175
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• 2012

This paper study about how government start-up promotion policies have strongly impacts on business startup pattern and its performance. In Korea, the economic crisis of the late 1990s, the recession continues to stumble, and corporate restructuring occurs, let a small mass of unemployed, the Soho establishment 'Sojabon' started brewing two booms. Small business owners and their economic contribution to this portion of the axis with respect to support economic growth theory, on the basis that you need to install the Support Center for more small business owners and small business owners and social atmosphere, changing the term action to promote the establishment and growth of employment opportunities through by creating regional, has been promoting the balanced development of between business. This scheme focus on examining the types and characteristics of the government support schemes with respect to start-process business plan completion, financing capability, utilizing level of experts, location advantage, level of industry differentiation. Results of this study shows how significantly entrepreneurship influence on business startup pattern determining successful performance of business startup and let potential entrepreneur utilize it as to proceed business planning and establishing strategies.

• Elastomers and Composites
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• v.52 no.2
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• pp.114-130
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• 2017

Enhancing the properties of rubber, such as the tensile strength, modulus, and wear abrasion, by the addition of carbon black and silica as fillers is very important for improving the performance of rubber products. In this review, we summarize the general features of 'the reinforcement of rubber by fillers' and the equations for representing the reinforcement phenomena. The rubber reinforcement was attributed to enhancement of the following: the rubber, bound rubber, formation of networks, and combination between rubber chains and silica followed by entanglement. The reinforcement capability of silica species with different surface and networked states demonstrated the importance of the connection between the silica particles and the rubber chains in achieving high reinforcement. The model involving combination followed by entanglement can provide a plausible explanation of the reinforcement of rubber by carbon black and silica because the combination facilitates the concentration of rubber chains near the filler particles, and entanglement of the rubber chains around the filler particles enforces the resistance against deformation and breakage of rubber compounds, resulting in high reinforcement.

• Development and Reproduction
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• v.7 no.2
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• pp.95-103
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• 2003

Intracellular calcium is an important physiological factor in most cells, and ruthenium red and ryanodine play an important role as calcium modulators. Ruthenium red inhibits calcium-induced calcium release(CICR) from the intracellular calcium store. Ryanodine activates calcium release through ryanodine channel. The present experiment was performed to investigate the effects of two modulators on calcium ion metabolism and to determine their dose-dependency in oocyte and early embryo of mouse. Intracellular calcium ion concentration was measured in realtime by using confocal laser scanning microscope(CLSM) after loading of Fluo-3/AM in mouse oocytes and early embryos. Ruthenium red decreased intracellular calcium ion concentration in oocytes and early embryos at its high concentration(30, 300 $\mu$M). Ryanodine increased intracellular calcium ion concentration in oocytes and early embryos in low concentration(0.01 $\mu$M) but decreased that at higher concentrations(1, 10 $\mu$M). These results indicate that two modulators affected calcium ion metabolism in oocyte and early embryo of mouse, and their dose-dependency was different from somatic cell including myocytes.

• Journal of Internet Computing and Services
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• v.14 no.4
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• pp.73-84
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• 2013

This study, based on flow theory and unified theory of acceptance and use of technology (UTAUT), examines various factors that influence the continuous use of mobile applications, particularly those providing users with satisfaction and pleasure as well as useful information. This study extends the previous studies that have been based on technology acceptance model, in which usefulness and ease of use are key determinants of use of new technology, by introducing flow theory in explaining the use of various technologies in mobile environment. For this purpose, this study employes a survey based field study and collects data from individuals who use fashion mobile apps since these are considered to provide fun and pleasures. This study finds that flow theory is a proper framework to understand the use of mobile technology, indicating flow experience is an important variable to determine the usage of fashion apps. In addition, performance expectation, effort expectation, social influence, and facilitation condition are found to be significant in influencing use of mobile apps, suggesting UTAUT still plays an important role in understanding the use of mobile technology.

• Science of Emotion and Sensibility
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• v.19 no.1
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• pp.71-82
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• 2016

Consumers tend to perceive the shoes as just their footwear to protect and comfort foot and fashion products to decorate and express their self-images. Even though online market research analysis indicated shoes consumption is important in daily life of consumers, there is limited research that was conducted specifically on shoes e-market. The research investigates the process of shoes' e-impulse buying focusing on the effects of shopping orientation, marketing stimulus and consumers' perceived risk in shoes market at Internet. A total of 408 self-administered questionnaires were obtained from universities students, who had experienced the e-impulse buying of shoes at least once for the last six months. Results confirmed that consumers who had higher hedonic shopping orientation or brand shopping orientation were more likely to consider the marketing stimuli (e.g., promotion stimuli and product stimuli), whereas consumers who had higher economic shopping orientation were consider the lower marketing stimuli and the more perceived functional risk in the e-shopping context of shoes. For shoes, marketing stimulus had directly positive effects on e-impulse buying, while consumers' perceived risk had no significant effects on e-impulse buying. The findings suggest that the market stimulus, which is affected by consumers' shopping orientation, is an important factor in triggering e-impulse buying of shoes.

• Asia-Pacific Journal of Business Venturing and Entrepreneurship
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• v.15 no.5
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• pp.175-189
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• 2020

Daejeon City has strived to support the SMEs to innovate technologies based on the capabilities of research and development of the Daedeok Innopolis. It is widely known that technological innovation is the key strategy of Small medium enterprises(SME) to survive and succeed in a market. This study aims to analyze the type and determinants of SME technological innovation in Daejeon. Even though most of firms are the small enterprises which employ less than 10 workers in Daejeon, the number of technology-oriented company per capita in Daejeon is highest in South Korea. The type of technological innovation is divided between product innovation and process innovation. The literature insists that technology-oriented small firm tends to implement product innovation rather than process innovation. SMEs in Daejeon also provided more output from product innovation than process innovation. The empirical analysis provided the results that the determinants of SME's technological innovation depends on its type. The scale of firm, R&D investment, and R&D employees positively influence product innovation of SMEs in Daejeon. However, the impact of R&D employees is not significant on innovating the existing product. Process innovation is positively affected by R&D investment and firm age. The study provides the policy implications to business supporting programs of Daejeon government. The business supporting policy of Daejeon government should focus on supporting each type of technological innovation to promote technological innovation by SME and consider strategies that focus on R&D investment and manpower support.