This research is conducted to investigate the impact levels of dividend policy on stock prices variation in the case of the stock exchange of an emerging country − Vietnam. Data were collected from 248 listed firms on the Vietnamese stock market for the period from 2014 to 2017. By employing ordinary least squares (OLS) and quantile regression (QR), we found that there is a negative relationship between dividend policy and variation of stock prices. Some variables including income variation, long term liabilities and growth have positive relationships with stock price variation whereas firm size has no impact on it. We also found that firms using low dividend yields influence stock prices variation in a clearer way. The results of this study are important for management in emerging countries, and in this case Vietnam, to have a proper dividend policy because dividend policy is crucial information for stakeholders to make economic decisions.

The paper examines the effect of ownership structure on profit management in Vietnam. In this study, we explore how three components of ownership structure - the degree of ownership concentration of managers, foreign ownership ratio and state ownership ratio - affect earnings management. In addition, we also consider whether ownership structure affects profit management during financial constraints.<b> </b>We used REM, FEM, GLS, and GMM regression methods. The study results have shown that ownership structure with foreign ownership has a positive effect on earnings management, whereas one with a proportion of state ownership has a contradicting effect. While the degree of ownership concentration does not affect the profit management, in the context of financial restrictions, the ownership ratio has an impact on the management of earnings. Controllable variables in the model, such as firm size, financial leverage, growth rate, profitability and audit quality, all have an impact on earnings management. The results could, potentially, be the basis to help businesses in restricting earnings management behaviour.

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The paper examines the effect of ownership structure on profit management in Vietnam. In this study, we explore how three components of ownership structure - the degree of ownership concentration of managers, foreign ownership ratio and state ownership ratio - affect earnings management. In addition, we also consider whether ownership structure affects profit management during financial constraints.<b> </b>We used REM, FEM, GLS, and GMM regression methods. The study results have shown that ownership structure with foreign ownership has a positive effect on earnings management, whereas one with a proportion of state ownership has a contradicting effect. While the degree of ownership concentration does not affect the profit management, in the context of financial restrictions, the ownership ratio has an impact on the management of earnings. Controllable variables in the model, such as firm size, financial leverage, growth rate, profitability and audit quality, all have an impact on earnings management. The results could, potentially, be the basis to help businesses in restricting earnings management behaviour.