The energy sector in Vietnam has developed rapidly as the country is transitioning to renewable energy. Moreover, the Vietnamese government also motivates the engagement of private investors in the energy sector to enhance the competitiveness of the energy market. Therefore, this paper investigates how innovation investments and ownership concentration affect the financial sustainability of energy companies in Vietnam. We employ the Fixed Effect Model and Generalized Method of Moments estimations to analyze the sample, including 600 firm-year observations of 103 energy companies from January 2007 to December 2020. The empirical findings show that innovations and block-holders support firms to grow sustainably. The positive relationship between innovation investments and financial sustainability is robust even when we employ alternative proxies of innovation investments. Our study indicates that block-ownership affects sustainable developments of smaller energy firms, while innovation investments significantly improve the sustainability of larger energy firms. Finally, our study reports that the Covid-19 pandemic adversely affects the financial sustainability of energy firms. Our findings align with agency theory, resource-based theory, and prior literature. Our findings recommend that energy firms motivate innovation investments such as training and R&D activities to grow sustainably. In addition, the Vietnamese government should encourage small energy firms to attract blockholders to improve financial sustainability.
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http://dx.doi.org/10.1016/j.heliyon.2022.e10474 | DOI Listing |
Sci Rep
January 2025
Department of Global Health Research, Graduate School of Medicine, Juntendo University, Tokyo, Japan.
Background: Maintaining the physical and psychological well-being of healthcare workers (HCWs) is crucial for health system resilience. In sub-Saharan Africa, particularly Uganda, HCWs faced significant challenges during the coronavirus disease 2019 (COVID-19) pandemic, compounded by pre-existing resource constraints. This study investigated challenges faced by HCWs at a designated COVID-19 hospital ('the Hospital') and explored determinants of maintaining healthcare personnel's motivation during the COVID-19 pandemic in Uganda.
View Article and Find Full Text PDFNat Commun
January 2025
Florida Museum of Natural History, Dickinson Hall, 1659 Museum Road, Gainesville, FL, 32611, USA.
The Thorny Skate (Amblyraja radiata) is a vulnerable species displaying a discrete size-polymorphism in the northwest Atlantic Ocean (NWA). We conducted whole genome sequencing of samples collected across its range. Genetic diversity was similar at all sampled sites, but we discovered a ~ 31 megabase bi-allelic supergene associated with the size polymorphism, with the larger size allele having introgressed in the last ~160,000 years B.
View Article and Find Full Text PDFJ Voice
January 2025
Universidade Estadual de Campinas - UNICAMP, Campinas, São Paulo, Brazil. Electronic address:
Objective: To analyze acoustic measures of speech and vowel samples from individuals of different genders and to correlate these acoustic measures with vocal satisfaction. This study aims to provide additional data on acoustic measures, serving as references for clinicians while emphasizing the importance of moving beyond cisgender norms. Additionally, it addresses a gap in the Brazilian context by exploring correlations between acoustic measures and self-perceived vocal satisfaction across diverse gender groups.
View Article and Find Full Text PDFJ Subst Use Addict Treat
January 2025
Department of Family Medicine, University of Washington, United States of America.
Background: Unhealthy substance use (USU) is common and ranges from use above guideline-recommended levels to severe substance use disorder. USU results in substantial morbidity and mortality yet primary care practices rarely systematically screen, diagnose, and treat USU. Supporting Unhealthy Substance use care Through a whole person Approach and user centered INtegration into primary care (SUSTAIN) tests whether the implementation of a co-designed change package for USU improves patient function.
View Article and Find Full Text PDFEnviron Res
January 2025
School of Environmental Science and Engineering, Guangzhou University, Guangzhou, 510006, PR. China; Guangzhou University-Linköping University Research Center on Urban Sustainable Development, Guangzhou University, Guangzhou 510006, PR. China. Electronic address:
Antimony (Sb) contamination in water resources poses a critical environmental and health challenge globally. Sulfate reducing bacteria (SRB) are employed to reduce SO to S for removing Sb in a microbial electrolysis cell (MEC). Yet, the reduction efficiency of reducing SO and Sb(Ⅴ) through SRB remains relatively low, and the underlying mechanism remains elusive.
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