The article examines the impact of cash flow on the need to increase funding in the Covid pandemic context and the financial constraints of listed companies in Vietnam. We build hypotheses based on the self-ranking match theory framework and research overview. We use data from 5894 observations for 2010-2020 and the general regression model -GLS to test the expected hypotheses. The research results show that cash flow significantly influences the external financing needs of the business. In particular, the cash flow impact and increased need for external financing are more evident in financial constraints and the context of the covid pandemic. The study also shows that the group of companies with financial constraints moved to increase funding when cash flow was in short supply during the Covid pandemic. Besides, the high financial leverage ratio in the previous year can be one of the barriers for businesses that want to access a variety of external financing. The study contributes to the analysis and assessment of the problematic situation of listed companies. In the future, this study can be extended when approaching businesses in the financial sector and evaluating other macro factors that can affect the capital sources of enterprises.
This paper examines some cognitive biases of Vietnamese stock investors by ana- lyzing trading records for 1,201 accounts at a brokerage firm. These investors tend to make poor trading decisions by selling good stocks and buying bad stocks. They demonstrate a significant reference to holding the losing stocks and selling the win- ing stocks which is known as the disposition effect. It provokes many implications for researchers, market practitioners and policy makers.
The study aims to describe the current situation and analyze some factors related to school myopia in students in grades 4 - 5 of primary school in Tra On town, Tra On district, Vinh Long province in 2022. Using a descriptive cross-sectional study with analysis, using a total sampling method with 507 grade 4 and 5 students, assessing myopia by eye examination by an ophthalmologist, evaluating related factors through a set of prepared questionnaires, analyzing data according to research objectives. The rate of students in grades 4 - 5 with myopia is 18,9%. Factors associated with myopia include: family history of nearsightedness; tutoring/studying at home continuously >1 hour; the posture of studying at home is not correct; watch TV frequently and watch TV continuously for >1 hour; frequent use of phone/tablet and continuous use >1 hour; frequent use of computers and continuous use >1 hour; do not regularly play sports/outdoor activities. Keywords: School myopia, Primary school student, related factors.
The study aims to describe the current situation and analyze some factors related to school myopia in students in grades 4 - 5 of primary school in Tra On town, Tra On district, Vinh Long province in 2022. Using a descriptive cross-sectional study with analysis, using a total sampling method with 507 grade 4 and 5 students, assessing myopia by eye examination by an ophthalmologist, evaluating related factors through a set of prepared questionnaires, analyzing data according to research objectives. The rate of students in grades 4 - 5 with myopia is 18,9%. Factors associated with myopia include: family history of nearsightedness; tutoring/studying at home continuously >1 hour; the posture of studying at home is not correct; watch TV frequently and watch TV continuously for >1 hour; frequent use of phone/tablet and continuous use >1 hour; frequent use of computers and continuous use >1 hour; do not regularly play sports/outdoor activities. Keywords: School myopia, Primary school student, related factors.
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