• 한국노년학
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• 제37권1호
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• pp.251-270
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• 2017

본 연구의 목적은 베이비부머 대상 연구들에서 성공적 노화 모델을 어떻게 적용하고 있는지 연구경향을 분석하는 것이다. 구체적인 연구방법은 국내 논문의 성공적 노화 개념, 영향요인, 세대 특성 반영여부, 세대 내부 다양성에 대한 내용분석이다. 2000년부터 2016년 현재까지 국내 학술지에 게재된 124편의 논문 분석결과, 지금까지 연구들에서 성공적 노화의 개념은 주로 경제문제 차원이고, 연구모형에서 거시적 사회 환경 영향요인을 거의 고려하지 않으며, 세대 특성이나 세대 내부의 다양성을 구체적으로 반영하는 연구들도 적은 편이다. 앞으로 국내 베이비부머 대상 성공적 노화 개념에 대한 폭넓은 연구가 필요하고, 개념과 영향요인을 명료하게 구분하여야 할 것이다. 경제 가치 위주의 개인 단위 영향요인보다 노화 속 삶 자체 및 거시적 사회환경과 관련된 영향요인을 활용해야 한다. 베이비부머의 고유 특성을 이해하기 위하여 신노년문화적 가치 논의가 이루어져야 할 것이다. 마지막으로 베이비부머 세대 내 연령별, 성별에 따른 다양성에 관한 연구를 진행해야 할 것이다.

• Clinical and Experimental Pediatrics
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• 제65권2호
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• pp.85-89
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• 2022

Background: There is evidence of a relationship between prenatal excess androgen exposure and central nervous developmental problems and attention-deficit/hyperactivity disorder (ADHD) in the offspring of mothers with polycystic ovary syndrome (PCOS). Purpose: Here we aimed to use a meta-analysis to investigate whether the offspring of mothers with PCOS are at an increased chance of developing ADHD. Methods: Three main English databases were searched for articles published through December 2020. The Newcastle-Ottawa Scale was used to assess study quality. Study heterogeneity was determined using I² statistics and publication bias was assessed using Begg and Egger tests. The results are presented as odds ratio (OR) and relative ratio (RR) estimates with 95% confidence intervals (CIs) using a random-effects model. Results: Six articles (3 cohort and 3 case-control studies; 401,413 total ADHD cases) met the study criteria. Maternal PCOS was associated with an increased risk of ADHD in the offspring based on OR and RR (OR, 1.42; 95% CI, 1.27-1.57) and (RR, 1.43; 95% CI, 1.35-1.51), respectively. There was no heterogeneity among the included articles based on OR (I²=0.0%, P=0.588) and RR (I²=0.0%, P=0.878). Conclusion: Our study showed that maternal PCOS is a risk factor for ADHD. Therefore, screening their offspring for ADHD should be considered part of the comprehensive clinical care of women with PCOS.

• 웰빙융합연구
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• 제2권1호
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• pp.35-39
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• 2019

This paper presents two social and academic studies on the boundary between cultural production and consumption. The first line of the study on cultural omnivore analyzes the choice of heterogeneous audiences in the face of various cultural offerings. The second line is a study of market categories, which analyzes the responses of peer audiences to objects with different levels of category code compliance. As such, this paper developed a heterogeneous audience model to evaluate objects of different types. This allows us to consider two dimensions of cultural preference: diversity and orientation of selection. To this end, this paper proposes a new analytical frame work to map consumption behavior on these two dimensions. The results suggest that one type of target that values diversity and transformation is particularly resistant to those that span boundaries. We test this argument in the analysis of two large data sets on film and restaurant reviews. Overall, our findings can extend beyond cultural consumption. Outline variability of contextual individuals or individuals in the same situation can cross cultural boundaries even if they are not intentionally pursuing such hybridism.

• 한국컴퓨터정보학회논문지
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• 제26권1호
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• pp.163-170
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• 2021

빅데이터가 여러 분야에서 다양하게 접목됨에 따라 빅데이터 시장이 하드웨어로부터 시작해서 서비스 소프트웨어 부문으로 확장되고 있다. 특히 빅데이터 의미 파악 및 이해 능력, 분석 결과 등 총체적이고 직관적인 시각화를 위하여 애플리케이션을 제공하는 거대 플랫폼 시장으로 확대되고 있다. 그 중에서 SNS(Social Network Service) 등과 같은 소셜 미디어를 활용한 빅데이터 추출 및 분석에 대한 수요가 기업 뿐만 아니라 개인에 이르기까지 매우 활발히 진행되고 있다. 그러나 이처럼 사용자 트렌드 분석과 마케팅을 위한 소셜 미디어 데이터의 수집 및 분석에 대한 많은 수요에도 불구하고, 다양한 소셜 미디어 서비스 인터페이스의 이질성으로 인한 동적 연동의 어려움과 소프트웨어 플랫폼 구축 및 운영의 복잡성을 해결하기 위한 연구가 미흡한 상태이다. 따라서 본 논문에서는 소셜 미디어 데이터의 수집에서 추출 및 분류에 이르는 과정을 하나로 통합하여 운영할 수 있는 프레임워크를 개발하는 방법에 대해 제시한다. 제시된 프레임워크는 이질적인 소셜 미디어 데이터 수집 채널의 문제를 어댑터 패턴을 통해 해결하고, 의미 연관성 기반 추출 기법과 주제 연관성 기반 분류 기법을 통해 소셜 토픽 추출과 분류의 정확성을 높였다.

• 문화기술의 융합
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• 제8권3호
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• pp.367-375
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• 2022

미디어 환경 및 문화 콘텐츠 소비가 변화하며 한류 현상 역시 시기별로 주목받는 콘텐츠의 유형과 장르가 변화하는 현실에서 이러한 한류의 변화된 흐름을 탐구해볼 시점이다. 더욱이 기존의 한류 연구들이 독립적인 개별 장르 현상만을 분석하거나 동아시아 국가에 집중해온 경향, 또한 한국 사회 입장을 중심으로 연구가 진행되어온 경향이 있는 가운데, 본 연구는 상대적으로 관심이 부족했던 비영어권 유럽 사회에서 한류 현상을 통해 수용자 자신이 처한 현실에서 실질적으로 갖는 사회적 의미에 대해 살펴보았다. 문화자본과 사회자본의 상호전환 관점에 기대어 분석한 결과, 한류 내러티브와 비-내러티브 모두 사회신뢰와 자국인 신뢰에는 부적인 영향이 있었지만 한국인 신뢰에 대해서는 정적인 영향을 미쳤으며, 대조적으로, 케이팝 대중음악은 사회신뢰와 자국인 신뢰뿐 아니라, 사회교류 활동 참여 및 연계적/결속적 관계망 모두에 정적인 영향을 미치는 경향이 있었다. 한류의 콘텐츠 유형/장르에 따른 문화소비는 사회자본과 한국에 대한 문화간 커뮤니케이션에 상이한 영향을 미치는 것으로 나타났다.

• 대한지리학회지
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• 제29권3호
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• pp.340-359
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• 1994

This study intends to describe the characteristics of the transformation of the rural society by tracing the changing social and economic processes of traditional clan villiage (Yeolmi-ri, Silchon-myeon, Kwangju-gun, Kyunggi-province) in the suburbs of Seoul Metropolitan Area. Rural society has experienced serious change of the social structure by the ever expanding urbanization and industrialization since 1960's. The suburbs of Seoul Metropolitan Area is the representative case area of such transformation. This study analyzed various chracteristics of population structure of a villiage, the processes of residential movement and the occupational shift of each household of the villiage in terms of household's life-history collected by interviewing with each household. And the whole households of a villiage is divided by two groups of the native clan group and the non-dan in-migrant group. The results of this study are summarized as follows. 1) This villiage is located within a lineal distance of 40km and a time distance of about 30 to 40 minutes, adjoined dy the Joongbu(중부) national highway, the Kyungchoong (경충) industrial road, the local road between Yangpyuna(양평) and Gonjiam(곤지암) and having a advantageous iocational linkage to Seoul capital city. 2) It is a typical traditional dan villiae constituted of dan family Gu(구) one of whose ancestors had appointed to the prime minister of Chosun Dynasty, and until 1979, 56 out of 60 families of the villiage households were clan families. 3) Since 1979, as the villiage invaded by the out-movement of the small scale manufacturing industries from Seoul capital city, labours moved in this vallige from outside and increased villiage size up to 203 households in 1993, consequently the constitutional proportion between the native clan group and the non-clan in-migrant group was reversed up to 28% vs 72% deepening the sociological heterogeneity. 4) Because of the small scale of industries in this villiage and the vicinity with the city of Seoul, the population turnover of this villiage is very high. The turnover frequency is firstly high within same administrative district of gun(군) level and secondly high between this villiage and the city of Seoul. Thus short-distance movement is identified. 5) There is a close correlation between the residential movement and the occupational shift. The most numbers of non-farm native group have the experiences of migration while the members of native farming group don't shift both the job and the place of residence. The inmigrant group had several migration experiences but few occupational shifts. Thus occupatioanl shift is high for the native group while residential shift is high for the in-migrant group. It is concluded that the change proceeded in Metropolitan suburbs was not directed to form the traditional rural village as 'gesund Gebiet' with respect to the ballance among the economic, cultural and environmental adequency.

• Asia pacific journal of information systems
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• 제23권2호
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• pp.67-86
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• 2013

This study first provides a stylized model that captures the essential features of the SC (Social Commerce) business and the competition process. The model focuses on the relationship between key decision issues such as marketing inputs and market value. As more SCs join the industry, they are inevitably faced with fierce competition, which may lead to sharp increase in the total marketing and advertising expenditure. This type of competition may lead the industry away from its optimal development path, and at worst, toward a disruption of the entire industry ecosystem. Such being the case, another goal of this study is to examine the possibility that the ToC (Tragedy of the Commons) may occur in the SC industry. We build game models, each of which assumes homogeneity and heterogeneity of SC providers, respectively, and derive explicit equilibrium solutions from both models. Our basic analysis presents Nash equilibria in both models and shows that SC providers are inevitably faced with fierce competition, which may lead to sharp increase in the total marketing expenses. We also compare the game outcomes with one with a hypothetical social planner who determines the total marketing level that optimizes the entire market value. Then, ToC can be defined to describe the situation where the total marketing efforts exceed the socially optimal level of marketing efforts. In both models, we examine the possibility of the ecosystem disruption and specify the conditions under which ToC may occur. However, the chance of avoiding ToC is higher with heterogeneous players than with homogeneous players. To supplement our analytical results, we develop a simulation model which incorporates a market dynamics based on the gap between actual marketing efforts and socially optimal marketing level. Simulation experiments present some lessons and insights which also confirm out findings from equilibrium analysis. For example, heterogeneity in SC providers alleviates the severity of ToC and makes it faster for survivors to escape from the ToC trap. As a result, the degree of industrial concentration tends to increase, which also explains the 'rich-get-richer' phenomenon observed in some empirical studies on the SC industry. Lastly, based on our analytical and experimental results, we come up with some measures to avoid ToC and overcome the shortcomings intrinsic to the current business model. And further discussions provide strategic implications and policy directions to overcome the possible trap of ToC in this ecosystem, and eventually help the industry to sustainably develop itself toward the next level. To name a few examples of policy measures, regulations on the marketing activities so that the overall marketing expenses cannot go beyond the socially optimal level; institutional guidelines and rules to straightening up the distortions in the way that SC providers view the marketing costs (the current marketing costs are underestimated, thereby encouraging SC providers to increase marketing expenditure); and so on.

• 사회복지연구
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• 제40권3호
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• pp.377-406
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• 2009

청소년의 비행예방을 위한 사회복지실천전략 개발을 목적으로 종단자료를 통한 청소년 비행행동의 잠재집단유형을 확인하고자 하였다. 비행행동의 차별적 발달궤적을 갖는 잠재집단유형의 확인은 이들 집단의 특성을 고려한 맞춤형 실천전략의 수립을 가능케 한다. 이를 위해 본 연구에서는 청소년패널조사의 1-4차년도 종단자료를 이용하여 비행행동의 수준과 변화율이 상이한 잠재집단이 존재할 것으로 가정하는 잠재계층 성장분석을 수행하였다. 그 결과 비행행동의 수준과 변화율이 상이한 4개의 잠재집단을 확인할 수 있었다. 비행행동의 경험수준이 적고 변화율이 거의 없는 규범집단, 측정기간 내내 높은 비행행동수준을 유지하고 있는 비행지속집단, 측정초기에는 높은 비행행동수준을 보이다 점차 감소하는 경향을 보이는 비행감소집단, 낮은 비행행동 수준에서 점차 비행경험이 증가하는 비행증가집단 등 4개의 잠재계층집단을 발견하였다. 잠재계층집단에 대해 청소년 비행행동의 보호 및 위험요인이 미치는 영향력을 확인하기 위해 다항로지스틱분석을 실시한 결과, 부모의 지도감독, 자기통제력, 비행친구와의 교류, 부정적 낙인 등이 잠재계층집단의 분류와 밀접한 관련성이 있는 것으로 나타났다. 최초측정시점인 중학교 2학년시기에서 부모의 지도감독을 많이 받고, 자기통제력이 높으며, 비행친구와의 교류가 적고, 부정적 낙인이 적을수록 비행행동을 경험하지 않는 규범집단에 속할 가능성이 높았다. 가족구조결손, 빈곤가족, 남자청소년의 인구학적 특성과 비행친구와의 교류증가는 비행증가집단과 비행지속집단에 속할 가능성을 높이는 것으로 나타났다. 종단자료를 통해 청소년기 비행행동의 이질적인 성장궤적을 갖는 잠재계층집단을 확인한 연구결과에 기반하여 청소년의 비행행동 예방 및 개입을 위한 사회복지 실천전략을 제시하였다.

• The Journal of Asian Finance, Economics and Business
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• 제5권4호
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• pp.127-133
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• 2018

Corporate social responsibility (CSR) is one of the strategies for managing firms' business activities but may have heterogeneity depending on ownership structures. This study investigates the association between group-affiliation and CSR activities. Drawing on a theory from the prior research, this study predicts that group-affiliated firms are less likely to invest on CSR activities. For instance, prior research finds that controlling shareholders expropriate the values of minority shareholders. As one of the motivations of investing on CSR activities is the harmonization among the stakeholders, it leads to the prediction that firms controlled by large shareholders are less likely to engage in CSR activities. Second, group-affiliated firms under poor financial performance benefit from other group members through sharing their financial resources. Thus, there is less incentive for managers of group-affiliated firms to increase their financial performance by conducting CSR. By leveraging firms listed in Korean stock market and CSR score from Korea Economic Justice Institute, the result shows that the group-affiliation is negatively related to CSR activities. The result is consistent in case of applying propensity score-matched sample. Based on the findings of this study, this paper contributes to the related literature by showing the significant association between group-affiliation and CSR decisions.

• KDI Journal of Economic Policy
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• 제40권3호
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• pp.1-44
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• 2018

This paper studies the macroeconomic effects of an enhancement in unemployment benefits in Korea. In particular, I quantify the welfare effect of two specific policy chances which have been mainly discussed among policymakers in recent years: increasing wage replacement rates by 10%p and extending maximum benefit durations by one month. To this end, I build and calibrate an overlapping generation model which reflects the heterogeneity of the unemployed and the specificity of the unemployment insurance (UI) system in Korea. The quantitative analysis conducted here shows that extending maximum benefit durations by one month improves social welfare, whereas increasing wage replacement rates by 10%p deteriorates social welfare. Extending maximum benefit durations is applied to potentially all the UI recipients, including unemployed workers whose wage before job loss is relatively low and whose marginal utility is relatively high. However, increasing wage replacement rates is applied to only a small number of UI recipients whose wage before job loss is relatively high, while the increase in the UI premium is passed onto all of the employed. This study suggests that given the current UI system and economic environment in Korea, it is more desirable to extend maximum benefit durations rather than to increase wage replacement rates in terms of social welfare.