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Nguyen,Tien Dzung,Nguyen,Anh Tuan,Do,Phu Tran Tinh 한국유통과학회 2019 KODISA ICBE (International Conference on Business Vol.2019 No.-
This study aims to assess the attraction of foreign direct investment in Vietnamese economic zones (including industrial zones and economic zones). The main research method used are synthesis and comparison analysis based on the data collected from the surveyed group comprising of enterprises operating in the economic zones in the Middle (Chu Lai, Nhon Hoi, Dung Quat) and the Southern (the largest island: Phu Quoc). After conducting surveys, research results show that there is a difference between the assessment and the level to meet the requirements of investors with business environment, expressed through the following criteria: (1) the infrastructure; (2) quality of public services; (3) preferential policies; (4) labor; (5) market; and (6) social services. Based on the assessment of the identified criteria, this paper had suggested six number of recommendations to promote the role of attracting foreign direct investment capital into the economic zones in Vietnam: (1) implementing the one-stop-shop policy; (2) continuing to improve the infrastructure of economic zones; (3) prevent and ensure the security of economic zones; (4) implementing vocational training activities to improve quality of human resources; (5) development of supporting industries; (6) raising the quality of capital invested in the economic zone.
Nguyen Tien Dzung,Nguyen Anh Tuan,Do Phu Tran Tinh 한국유통과학회 2017 The Journal of Asian Finance, Economics and Busine Vol.4 No.3
This study aims to assess the attraction of foreign direct investment in Vietnamese economic zones (including industrial zones and economic zones). The main research method used are synthesis and comparison analysis based on the data collected from the surveyed group comprising of enterprises operating in the economic zones in the Middle (Chu Lai, Nhon Hoi, Dung Quat) and the Southern (the largest island: Phu Quoc) . After conducting surveys, research results show that there is a difference between the assessment and the level to meet the requirements of investors with business environment, expressed through the following criteria: (1) the infrastructure; (2) quality of public services; (3) preferential policies; (4) labor; (5) market; and (6) social services. Based on the assessment of the identified criteria, this paper had suggested six number of recommendations to promote the role of attracting foreign direct investment capital into the economic zones in Vietnam: (1) implementing the "one-stop-shop" policy; (2) continuing to improve the infrastructure of economic zones; (3) prevent and ensure the security of economic zones; (4) implementing vocational training activities to improve quality of human resources; (5) development of supporting industries; (6) raising the quality of capital invested in the economic zone
Selective Harmonic Elimination for Cascaded Multilevel Inverters Using Grey Wolf Optimizer Algorithm
Phan Quoc Dzung,Nguyen The Tien,Nguyen Dinh Tuyen,Hong-Hee Lee 전력전자학회 2015 ICPE(ISPE)논문집 Vol.2015 No.6
In this paper, Grey Wolf Optimizer (GWO) algorithm is applied to determine optimum switching angles for cascaded multilevel inverter of eliminating some high order harmonics while maintaining the required fundamental voltage. As case study in this paper, 11-level and 15-level inverter are considered and the optimum switching angles are calculated off-line to eliminate the 5th, 7th, 11th, 13th harmonics for the 11-level as well as 17th, 19th harmonics for 15-level. The total harmonic distortion is used to estimate the quality of output voltages. The results are shown graphically for better understanding, the mathematical formulations and simulation results will be presented.