The purpose of this study is to investigate the influence of knowledge sharing (KS) and two specific types of innovation on competitive advantage in Vietnamese firms. Based on using structural equation modeling (SEM) and survey data collected from 225 participants, the findings reveal that KS directly and indirectly affects firm's competitive advantage through the mediating role of innovation speed and innovation quality. The findings stress the important role of building a positive climate to stimulate employees for sharing knowledge aimed at improving firm's innovation capability, and sustaining competitive advantage. Future research needs to explore the relationship between three components of knowledge management namely knowledge acquisition, KS, and knowledge application, innovation, and specific aspects of competitive advantage (such as low cost advantage, differentiation advantage, and time advantage) to provide deeper the mechanism of how specifics aspects of knowledge management connected with firm's certain types of competitive advantage through innovation.

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Recently, corporate social responsibility (CSR) is one of the most important issues that have received the attention of our whole society in all sectors. The current research attempts to examine the influence mechanism of corporate social responsibility on the loyalty of employees who work in the firms. This research also clarifies the mediating effects of employees' pride perception and commitment in the relationship between CSR performance of the firms and employees' loyalty intention. This research collected data through questionnaire survey using a convenient sampling method with the respondents who are employees in small and medium firms in Hanoi city, capital of Vietnam. Finally, 210 valid questionnaires collected that were utilized to test the hypothesis applying PLS-SEM approach with SmartPLS software. The results showed that CSR does not directly affect employees loyalty behavior, but via the mediating effects of employees' pride perception and commitment with the firms. Moreover, perceived pride of employees has no direct effect on employees' loyalty behaviors with the firms.

The main purpose of this study is to propose and empirically test a conceptual model that clarifies shopping behavior via livestream on Facebook platform of people in Hanoi. The data was collected from at least 240 random Facebook users. The analysis results show that Facebook users tend to buy goods via livestream when they feel that the product quality, design, and product policy are convincing enough for them. In addition, there are other factors that also influence purchasing decisions, such as technology quality, perceived value of style and attitude, reliability, product trust in the relationship between consumers and sellers such as livestream style, KOLs, sound & background… From there, theoretical and managerial contributions, as well as finding out limitations and future research directions are also discussed in the body of this paper  Keywords:  Shopping, Livestream, Livestream Products, Livestream People, Livestream Culture, Online Shopping.