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인터넷 과다 사용의 소아청소년에서 인터넷 게임 또는 SNS 사용에 따른 행동동기체계의 차이
김정심(Jeong Sim Kim),이분희(Bun-Hee Lee),이소희(So Hee Lee),김혜진(Hye Jin Kim) 한국중독정신의학회 2016 중독정신의학 Vol.20 No.1
Purpose : This study aimed to find out the clinical characteristics in children and adolescents, based on the different types of internet usage. Methods : The subjects of this study were 61 children & adolescents, who had been referred for the treatment of internet ad-diction by an adolescent media center. The children underwent Korean educational development institute Wechsler intelligence scale (KEDI-WISC), Child Behavior Checklist (CBCL) and Behavioral Inhibition System/Behavioral Activation System (BIS/BAS). The subjects were divided into two groups: those who played games without using social networking service (the G group), and those who utilized social networking service, with or without playing games the S-G group). Results : In the G group, the number of males was significantly higher than the number of females (p<0.01). The onset age of internet use was significantly earlier in the G group than in the S-G group (p=0.012). No significant differences were found between the two groups in CBCL and KEDI-WISC. As com-pared to the S-G group, the G group were significantly higher in their BAS total (p=0.016), BAS fun seeking subscale (p= 0.007), and BAS reward responsiveness subscale (p=0.027). Conclusion : This study suggested that internet addicted children and adolescents might have different behavioral motivational systems based on the different types of Internet use.
김정심,노수정,남영준,Kim, Jeong-Sim,Roh, Soo-Jeong,Nam, Young-Joon 한국과학기술정보연구원 과학기술정보센터 2010 Journal of Information Science Theory and Practice Vol.41 No.1
국가행정박물은 일반박물과 같은 물리적 특징을 갖고 있으며, 공공기관이 업무 수행 과정 중에 생산한 것으로 증거적 가치를 지니고 있다. 국가행정박물은 일반 박물 및 문화재와는 내용적으로 구분이 되며, 일반 종이기록물 및 전자기록물과는 그 물리적 성질이 다르므로 관리 프로세스를 정교하게 확장하여야 한다. 이에 이 연구에서는 우리나라 기록물관리법을 근거로 ISAD(G), MODS, RAD, CDWA의 기술요소에서 관련요소를 비교 추출하여 국가 행정박물의 확장된 기술요소를 도출하였다. National artifacts has the same physical characteristics to general artifacts and the evidential value which was produced during the public working. National artifacts different from paper and electronic records about physical properties. So it should be doing the expanded process. In this study, the ISAD(G), MODS, RAD and CDWA based on Korean Record Management Law by comparing and analysing of the technical elements was being extracted, The descriptive elements of national artifacts is pull by conclusion of the analysis.
외국인투자자가 수출기업의 성과 및 기업가치에 미치는 영향
김정심(Jeong-Sim Kim) 한국무역연구원 2021 무역연구 Vol.17 No.3
Purpose This paper investigates whether foreign investors affect export performance and firm value. Sample firms fall into three groups: Large Enterprises (LEs), Middle-standing Enterprises (MEs), and Small and Medium-sized Enterprises (SEs). This is because large and small firms differ in the extent of information asymmetry and other characteristics. Design/Methodology/Approach We constructed panel data for exporting firms listed on the Korea Composite Stock Price Index market. We used a fixed effects model and a dynamic panel generalized method of moments estimator to mitigate potential endogeneity in the relation between foreign ownership and export performance (or firm value). Findings First, while foreign ownership is positively related to the export ratio for LEs, there are no statistically significant results for MEs and SEs. The results suggest that foreign investors contribute to export performance in LEs, which are more transparent, instead of SEs, which are more likely to suffer from asymmetric information. Second, LEs with a high export ratio show a positive relationship between foreign ownership and firm value, whereas SEs with a high export ratio do not. Our results remain robust even after controlling endogeneity concerns regarding the relation between foreign ownership and export performance as well as between foreign ownership and firm value. Research Implications Taken together, our results suggest that foreign investors of LEs encourage exports requiring that a company take on greater risk and thus contribute to firm value, providing long-term capital. In contrast, foreign investors of SEs might pursue short-term profits, ignoring improvements in export performance or firm value.
코로나19가 기업배당에 미친 영향: 기업규모와 현금보유를 중심으로
김정심(Jeong-Sim Kim) 한국무역연구원 2024 무역연구 Vol.20 No.4
Purpose - This study aims to investigate whether COVID-19 affected a firm’s dividend policy by focusing on firm size and cash holdings. First, did larger firms behave differently in dividend payouts compared to smaller firms during the pandemic? Second, did firms with more cash holdings pay higher dividends than those with fewer cash reserves during the crisis? Design/Methodology/Approach - Constructing a panel dataset of listed firms in the Korean stock market from 2018 to 2021, we perform the difference-in-differences (DID) method and difference-in-difference-in-differences (DDD) method. Findings - First, larger firms, which tend to be less financially constrained, paid higher dividends than smaller firms during the COVID-19 crisis. Second, interestingly, cash-rich firms cut dividends more than cash-poor firms during the pandemic. Finally, we observe this negative relationship between cash holdings and dividends in larger firms; specifically, larger firms with higher cash reserves reduced dividends more during the pandemic. Research Implications - Our findings emphasize that firm size and cash holdings played an important role in determining a firm’s dividend policy during the pandemic. Interestingly, larger firms with sufficient cash paid fewer dividends during this period. This result suggests that these firms may have agency problems, such as tunneling, particularly as they were more likely to benefit from the flight to quality by investors during the crisis.
김정심(Jeong-Sim Kim) 한국무역연구원 2016 무역연구 Vol.12 No.4
Corporate social responsibility (CSR) has received substantial attention from academics and practitioners over the past decades. Despite a great deal of literature on CSR, surprisingly few studies consider the impact of CSR on export performance. This issue is particularly of importance for the export-led Korean economy. To fill the gap, this paper examines whether CSR affects export performance. Constructing a panel dataset for 438 firms listed on the Korean stock market during the period between 2005 and 2014, we find that a firm’s CSR score is negatively associated with the ratio of export sales to total sales. This result is robust after employing Tobit analysis because export sales are left censored at zero, after using several control variables, and after considering the impact of the 2008 global financial crisis. In addition, increases in CSR scores lead to a decrease in export sales. Our results suggest that the active engagement in CSR is detrimental to export performance. Given the substantial rise in the importance of CSR all over the world, Korean firms should undertake serious efforts to connect their CSR activities with export performance. Furthermore, they should focus on CSR activities which effectively contribute to export performance.
정현진,장주은,김알렉세이,이세령,김영수,김지은,이정심,이강협,강은수,한상국,길희영,Hyeon Jin Jeong,Ju Eun Jang,Aleksey L. Kim,Se Ryeong Lee,Young-Soo Kim,Ji Eun Kim,Jung Sim Lee,Kang Hyup Lee,Eun Su Kang,Sang-Kuk Han,Hee-Young Gil 한국자원식물학회 2023 한국자원식물학회지 Vol.36 No.4
Vascular plants of Yeonhwasan Mt., located in Taebaek-si, Gangwon-do, were investigated. Field surveys were conducted fourteen times between April and September of 2022. A total of 505 taxa were found consisting of 87 families, 282 genera, 441 species, 15 subspecies, 41 varieties, and 8 forma. Among them, the endemic plants of Korea were 22 taxa. The number of threatened and near threatened Red List plants designated by the Korean National Arboretum was four, comprising each one of critically endangered (CN), endangered (EN), vulnerable (VU), and near threatened (NT) species. The number of floristic target plants designated by the Ministry of Environment was 102, including one taxon of level V, 9 taxa of level IV, and 34 taxa of level III. Invasive alien plants were 34 taxa, and three taxa were ecosystem disturbance plants. The urbanization index of investigated site was 12.8%, and the naturalization index was 6.7%. To wisely manage Yeonhwasan, measures for preserving biodiversity and preventing invasive plants are needed.