Natural disaster, information technology, and agriculture production in Vietnam : evidence from panel data analysis

Agriculture is among the most susceptible industries to natural calamities. Technology is crucial to agricultural output. While agricultural machinery directly impacts agricultural output by increasing yield and quality, information technology may influence coping mechanisms for responding to natural disasters and so increase agricultural productivity. This paper examines (1) the degree to which agriculture production in Vietnam is impacted by natural disasters such as floods, drought, typhoons, and landslides, (2) how coping strategies mitigate the negative effects of natural disasters, and (3) how information technology influences the selection of coping strategies in response to a natural disaster. Our primary premise is that natural catastrophes have a detrimental influence on agricultural production and that coping mechanisms might somewhat mitigate these negative effects. In addition, information technology can facilitate the selection of coping measures for natural disasters.Khai Cong Dinh (School of Government, College of Economics, Law, and Government, University of Economics Ho Chi Minh City), Thanh Quang Ngo (School of Government, College of Economics, Law, and Government, University of Economics Ho Chi Minh City)Includes bibliographical references

The impact of institutional pressures and top management regulations on firm performance

The manufacturing industry performance in Vietnam has become a significant issue due to covid-19 and other economic factors and needs to examine frequently. Thus, the present research aims to investigate the impact of institutional pressures, such as human resource pressure, resources management pressure and operations management pressures, on the firm performance of the manufacturing industry in Vietnam. This research also examines the mediating impact of top management regulations among the relations of human resource pressure, resources management pressure, operations management pressures and firm performance of the manufacturing industry in Vietnam. The researchers followed the quantitative methods of data collection and used the questionnaires to obtain the data from respondents. A total of 610 questionnaires were sent to them, but only 380 were returned after three weeks and represented approximately 62.29 percent rate of response. This study also used the smart-PLS to examine the relations among the variables. The results indicated that human resource pressure, resources management pressure and operations management pressures positively associate with a firm performance of the manufacturing industry in Vietnam. The results also revealed that top management regulations positively mediate among the links of human resource pressure, resources management pressure, operations management pressures, and firm performance in Vietnam's manufacturing industry. This research has guided the regulators to increase their focus on managing institutional pressures that could enhance the firm performance

Enhanced Near-Infrared Fluorescent Sensing Using Metal-Dielectric-Metal Plasmonic Array

This work presents a numerical study of metal-dielectric-metal (MDM) plasmonic structure used to enhance a near-infrared fluorescent sensor. The MDM plasmonic structure consists of silver (Ag) subwavelength disk arrays on a thin silica (SiO2) spacing layer and 100-nm-thick-Ag film on a silicon (Si) substrate. The MDM plasmonic arrays with various structural parameters are designed and numerically investigated using the finite-difference time-domain (FDTD) method. Results show that the optical properties of designed structures are slightly dependent on the height of the Ag disk and strongly dependent on the Ag disk diameter and SiO2 thickness. In the near-infrared wavelength range, the proposed MDM plasmonic array has low ohmic loss and shows the high fluorescent emitting enhancement and directivity of about 16 times and 625.0, respectively, thus making MDM plasmonic array an alternative approach for near-infrared fluorescence bioimaging and biosensing devices

CSA: Thực hành nông nghiệp thông minh với khí hậu ở Việt Nam

During the last five years, Vietnam has been one of the countries most affected by climate change. Severe typhoons, flooding, cold spells, salinity intrusion, and drought have affected agriculture production across the country, from upland to lowland regions. Fortunately for Vietnam, continuous work in developing climate-smart agriculture has been occurring in research organizations and among innovative farmers and entrepreneurs. Application of various CSA practices and technologies to adapt to the impact of climate change in agriculture production have been expanding. However, there is a need to accelerate the scaling process of these practices and technologies in order to ensure growth of agriculture production and food security, increase income of farmers, make farming climate resilient, and contribute to global climate change mitigation. This book aims to provide basic information to researchers, managers, and technicians and extentionists at different levels on what CSA practices and technologies can be up scaled in different locations in Vietnam

Wpływ presji instytucjonalnych i przepisów najwyższego zarządu na wyniki firmy

The manufacturing industry performance in Vietnam has become a significant issue due to covid-19 and other economic factors and needs to examine frequently. Thus, the present research aims to investigate the impact of institutional pressures, such as human resource pressure, resources management pressure and operations management pressures, on the firm performance of the manufacturing industry in Vietnam. This research also examines the mediating impact of top management regulations among the relations of human resource pressure, resources management pressure, operations management pressures and firm performance of the manufacturing industry in Vietnam. The researchers followed the quantitative methods of data collection and used the questionnaires to obtain the data from respondents. A total of 610 questionnaires were sent to them, but only 380 were returned after three weeks and represented approximately 62.29 percent rate of response. This study also used the smart-PLS to examine the relations among the variables. The results indicated that human resource pressure, resources management pressure and operations management pressures positively associate with a firm performance of the manufacturing industry in Vietnam. The results also revealed that top management regulations positively mediate among the links of human resource pressure, resources management pressure, operations management pressures, and firm performance in Vietnam's manufacturing industry. This research has guided the regulators to increase their focus on managing institutional pressures that could enhance the firm performance.Wyniki przemysłu wytwórczego w Wietnamie stały się istotnym problemem ze względu na covid-19 i inne czynniki ekonomiczne i należy je często badać. Dlatego niniejsze badanie ma na celu zbadanie wpływu presji instytucjonalnych, takich jak presja zasobów ludzkich, presja zarządzania zasobami i presja zarządzania operacjami, na wyniki firmy w przemyśle wytwórczym w Wietnamie. Badanie to analizuje również pośredniczący wpływ regulacji najwyższego kierownictwa między relacjami presji zasobów ludzkich, presji zarządzania zasobami, presji zarządzania operacjami i wydajności firmy w przemyśle wytwórczym w Wietnamie. Badacze zastosowali ilościowe metody zbierania danych i wykorzystali kwestionariusze do pozyskania danych od respondentów. W sumie wysłano do nich 610 kwestionariuszy, ale tylko 380 zostało zwróconych po trzech tygodniach i stanowiło około 62,29 procent odpowiedzi. W badaniu wykorzystano również smart-PLS do zbadania relacji między zmiennymi. Wyniki wskazują, że presja na zasoby ludzkie, presja na zarządzanie zasobami i presja na zarządzanie operacjami pozytywnie wiążą się z dobrymi wynikami przemysłu wytwórczego w Wietnamie. Wyniki ujawniły również, że regulacje najwyższego kierownictwa pozytywnie pośredniczą między powiązaniami presji zasobów ludzkich, presji zarządzania zasobami, presji zarządzania operacjami i wydajności firmy w wietnamskim przemyśle wytwórczym. Badanie to skłoniło organy regulacyjne do zwiększenia koncentracji na zarządzaniu naciskami instytucjonalnymi, które mogłyby poprawić wyniki firmy

Medium- and High-Tech Export and Renewable Energy Consumption: Non-Linear Evidence from the ASEAN Countries

Sustaining economic growth while reducing dependence on fossil fuels remains a challenge for our world to fight against climate change and therefore finding a way to promote economic growth and increase renewable energy use is needed. This paper uses a 22-year panel dataset (1994– 2015) of 9 countries in the Association of Southeast Asian Nations provided by the World Bank World Development Indicators to examine the impact of medium- and high-tech export on renewable energy use. We employ a fixed-effects regression model with the Driscoll–Kraay nonparametric covariance matrix estimator to account for sectoral and temporal dependence. We also control for inflation, employment, population growth, and gross domestic product per capita in our estimations. Our results demonstrate a U-shaped association between medium- and high-tech export and renewable energy consumption of these economies. The results propose that enhancing medium- and high-tech export could be a feasible solution for promoting renewable energy consumption

Factors Affecting Students’ Satisfaction with Economics Universities’ Digital Library Services in Hanoi

The study was conducted to evaluate students’ satisfaction with the current digital library services offered by economics universities in Hanoi. Based on the findings, the study proposed recommendations to improve the falling points in the digital library services of economics universities. This study applies the SERVQUAL model to identify the relationship between SERVQUAL dimensions and library users’ satisfaction, and each dimension has a different effect on satisfaction level. The SERVQUAL scale was edited, and the research model progressed on six factors: Tangibles, Assurance, Empathy, Responsiveness, Reliability, and Perceived Ease of Use. According to the survey results, the research received 462 valid responses from economics university students in Hanoi, which are appropriate for analyzing data. It was concluded that most of the students are fairly satisfied with the digital library services, which can be seen clearly through the six dimensions above. Specifically, Reliability had the highest impact on satisfaction (22.03%), followed by Assurance (18.99%), Empathy (17.22%), Perceived Ease of Use (16.71%), Responsiveness (13.42%), and Tangibles (11.65%). The research model and study might be useful and provide insights and recommendations for other research on digital libraries or other services. Keywords: digital library services, economics universities, student satisfaction DOI: 10.7176/JEP/15-4-03 Publication date:March 31st 202

What role economic growth and sustainabilityoriented innovation play on the level of carbon emission: case of China

Globally, carbon dioxide (CO2) emission is a significant element of environmental pollution because of corrupt economic activities that requires regulators’ focus and researchers’ emphasis. Hence, the current research evaluates economic growth on CO2 emissions in Chinese economy. The article has taken six factors of economic growth on board along with sustainable innovation to predict CO2 emissions. Secondary data, in this regard, has been used which has been borrowed from World Bank from 1986 to 2020. Augmented Dickey-Fuller test is employed to scrutnize unit root, while QARDL model has been run to identify the association between the constructs. Findings revealed that factors such as gross domestic product, national income, human capital, employment ratio, inflation and exports signifies CO2 emissions, hence are corrupt the environment. While sustainability oriented innovation reduces the emissions. This study monitors the policymakers while formulating regulators related to reducing the level of CO2 emission using economic growth factors and sustainability-oriented eco-innovation

Nano concrete aggregation with steel fibers: A problem to enhance the tensile strength of concrete

In Vietnam, nano technology began to be interested in research and development, typically the seminar program of production research, silicon nano applications from waste materials and investment projects to build silicon nano manufacturing in Ho Chi Minh City. Researching the properties and applications of nano concrete in Vietnam with the desire to apply to some types of bridge and road structures today and step by step research on nano concrete application in designing some structure of bridges, roads, and other special works. With new materials used to determine the mechanical properties of materials and the characteristics of destruction at the limit of failure is essential. Moreover, high strength concrete materials are often brittle, so it is necessary to study measures to increase the plasticity to obtain the structure to ensure the requirements of the bearing and nano concrete with steel fibers. Steel fibers will make nano concrete increase tensile resistance in concrete

Experimental and numerical optical characterization of plasmonic copper nanoparticles embedded in ZnO fabricated by ion implantation and annealing

WOS: 000371764500032Here we describe the successfully fabrication of metal nanoparticle crystals by implanting copper (Cu) ions into single zinc oxide (ZnO) crystals with ion energy of 400 keV at ion doses of 1 x 10(16) to 1 x 10(17) ions/cm2. After implantation and post-annealing treatment, the Cu implanted ZnO produces a broad range of luminescence emissions, ranging from green to yellow. A green luminescence peak at 550 nm could be ascribed to the isolated Cu ions. The changes in luminescence emission bands between the initial implant and annealed suggest that the implants give rise to clustering Cu nanoparticles in the host matrix but that the annealing process dissociates these. Numerical modelling of the Cu nanoparticles was employed to simulate their optical properties including the extinction cross section, electron energy loss spectroscopy and cathodoluminescence. We demonstrate that the clustering of nanoparticles generates Fano resonances corresponding to the generation of multiple resonances, while the isolation of nanoparticles results in intensity amplification. (C) 2016 Elsevier B.V. All rights reserved.Vietnam National Foundation for Science and Technology Development (NAFOSTED) [103.03-2014.08]The authors are grateful to Professor Ch. Buchal for the provision of implantation facilities. This research is funded by Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number "103.03-2014.08"