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Background This study explores the causal relationship between entrepreneurial leadership and employees’ tacit knowledge sharing in start-ups. Construct a moderated mediation model to test the mediating role of affective commitment and the moderating role of career growth opportunities. Methods A questionnaire was used to collect data, and 485 samples of employees in Chinese start-ups were collected. Regression analysis and structural equation model were used to analyze data and verify hypotheses. Results The study shows that entrepreneurial leadership has a significant positive effect on employees’ affective commitment and tacit knowledge sharing. Affective commitment plays a mediating effect between entrepreneurial leadership and employees’ tacit knowledge sharing. Career growth opportunities play a positive moderating role in the impact of entrepreneurial leadership on affective commitment and tacit knowledge sharing, and positively moderate the indirect effect of entrepreneurial leadership on tacit knowledge sharing through affective commitment. Conclusion The research illustrates that the managers of start-ups can improve employees’ affective commitment by giving full play to entrepreneurial leadership and combining the career growth opportunities provided by the organization. Employees’ tacit knowledge sharing behavior is stimulated, providing guiding value for knowledge management and the human resource management of start-ups.

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PurposeThis study aims to explore the influence of appearance comparison on fitness intention. Specifically, it analyzes the mediating effect of appearance-based exercise motivation and perceived behavioral control between appearance comparison and fitness intention.Design/methodology/approach434 samples were obtained by the network survey in China. Hierarchical regression analysis and the Hayes' SPSS PROCESS macro were used to verify the hypotheses.FindingsAppearance comparison has a positive influence on fitness intention. Appearance-based exercise motivation mediates appearance comparison and fitness intention. Appearance comparison can produce a positive effect on fitness intention via appearance-based exercise motivation and perceived behavioral control in sequence.Practical implicationsThe findings have some practical implications for both individuals and fitness center managers. First, people can view appearance comparison rationally, understand the process of its transformation into fitness intention and enhance fitness intention. Second, fitness center managers can make some reasonable marketing plans according to this study.Originality/valueThis study explores the positive effects of appearance comparison combining social comparison theory, social cognitive theory and the theory of planned behavior. It contributes to extant literatures about appearance comparison and fitness intention by promoting the understanding of the influence mechanism of fitness intention.

This study explores the relationship between customer incivility and hotel employees’ turnover intention in China. The mediating effects of emotional exhaustion, job satisfaction and professional identity were also investigated. The proposed research framework was tested using data from 500 hotel employees who responded to an online questionnaire. The results show that customer incivility affects employees’ turnover intention by affecting emotional exhaustion, job satisfaction and professional identity. Among the three mediating variables, the mediating effect of emotional fatigue is the most obvious. When hotel employees encounter customer incivility, it improves their emotional exhaustion, which will reduce job satisfaction, weaken professional identity, and finally lead to the enhancement of turnover intention. This study proposes a conceptual model of experience development and testing, which enhances the understanding of the relationship between customer incivility and employees’ turnover intention and enriches the research on customer incivility.