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RISS 인기검색어
- 검색키워드
- 저자 : Tromp, Nikolas (검색결과 4 건)
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Academic Inbreeding and Research Productivity in South Korea
Nikolas Tromp,Juwon Kwak 동아시아무역학회 2021 Journal of East Asian Trade(JEAT) Vol.3 No.1
Purpose - The purpose of this paper is to investigate the relationship between academic inbreeding and publication rates in domestic journals and international journals among South Korean academics. Design/Methodology/Approach - This paper uses a comprehensive data set on South Korean academics and negative binomial regressions. The endogeneity of academic inbreeding status is mitigated by taking advantage of data on publications in international journals prior to employment. This serves as a proxy for ability and motivation to publish. Findings - The results show that alumni appointees publish fewer international journal articles but more domestic journal articles than their non-alumni counterparts. The results support the suspicion that academic inbreeding status is confounded with ability and motivation to publish. In addition, factors such as discipline, time trends, university rank and gender are shown to interact with academic inbreeding and its impact on international and domestic publication rates. Research Implications - This paper highlights circumstances in which alumni appointees’ research productivity differs with their non-alumni counterparts. In addition, it provides evidence of the endogeneity of academic inbreeding in the research productivity function. Thus, studies that fail to account for this endogeneity are likely to estimate biased effects.
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해양수산업의 지역경제 파급효과 분석-부산, 울산, 경남을 중심으로-
김태진,Tromp, Nikolas 한국해양수산개발원 2020 해양정책연구 Vol.35 No.2
The purpose of this study is to analyze the economic impact of ocean industries in Busan, Ulsan, and Gyeongnam regions. This paper uses a demand-driven model based on the inter-regional input-output table for 2015 published by the Bank of Korea. The main findings are as follows. First, ocean industries in Busan, Ulsan, and Gyeongnam have major economic inducement effects not only within regions but also between regions. In particular, ocean industries in the three regions induced an added value of 31.2 trillion won and the employment of about 454,200 people in all regions. Second, most outputs from fisheries and fish processing sectors were consumed domestically, while most outputs from shipbuilding and water transport sectors were exported. This illustrates the need to establish policies which take into consideration the unique characteristics of each ocean industry. Lastly, considering the interdependence of ocean industries between regions, inter-regional cooperation to establish policies is likely to be effective for regional economies. Based on the results of the empirical analysis, this paper discusses other useful policy implications to promote regional economies.
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The Environmental and Economic Impact of Trade between South Korea and the United State
김태진,Tromp, Nikolas 대외경제정책연구원 2024 East Asian Economic Review Vol.28 No.1
This paper analyses carbon emissions and value-added embodied in trade between two large developed countries, South Korea and the United States, during 2000-2014. Using multi-regional input-output (MRIO) tables, our analysis reveals that carbon emissions and value-added embodied in exports grew by 19% and 101% for South Korea but shrank by 43% and 7% for the United States. As a result, South Korea experienced a 40% increase in net carbon exports and 243% increase in net value-added exports. At the industry level, the primary drivers of changes in carbon exports were electricity and basic materials. The majority of industries in witnessed improvements in carbon intensities suggesting improved environmental efficiency. While both countries achieved a decoupling of carbon emissions from value-added exports, substantial year-to-year and sectoral variations were observed. Finally, structural decomposition analysis indicates that domestic supply-side factors played a role in decreasing emissions whereas foreign demand-side factors contributed to emissions increases. In line with the main findings, various implications for policy and future research are discussed.
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Electroanatomical Mapping of the Urinary Bladder
Fawzy Farag,Martin Koens,Marij Tijssen,Sytse de Jong,Timon Fabius,Johnny Tromp,Hendrikje van Breda,Joep Smeets,Wout Feitz,John Heesakkers 대한배뇨장애요실금학회 2016 International Neurourology Journal Vol.20 No.2
A noncontact mapping system (EnSite) was used for electroanatomical mapping of the bladder simultaneously with pressure flow study in three women with lower urinary tract symptoms. We selected the periods of obvious detrusor activity. Data were processed to remove baseline drift, and an envelope of electrovesicography (EVG) data was created. The correlation coefficient for the correlation between between the EVG envelope and the detrusor pressure (Pdet) was calculated. Bladder geometry was successfully created in all 3 patients. Simultaneous recording of EVG and pressure flow data was successful in 1 patient. Scatter plots were made of the highest correlation coefficient, showing a positive correlation between the Pdet and the envelope, and negative correlation between abdominal pressure (Pabd) and the envelope. Minimal electrical activity could be observed. Significant weak to moderate correlation coefficients were found for the correlations between Pdet and EVG and between Pabd and EVG.
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