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This study aims to explore the dual-path effects of challenge (CTP) and hindrance time pressure (HTP) on knowledge sharing, which provides theoretical reference for knowledge teams to carry out knowledge sharing smoothly.

This study collected two waves of data and surveyed 416 employees in China. Regression analysis, bootstrapping and structure equitation modeling was adopted to test the hypotheses.

CTP has a positive impact on employee knowledge sharing, while HTP has a negative impact on employee knowledge sharing. Self-efficacy plays a mediating role between CTP and knowledge sharing, and emotional exhaustion plays a mediating role between HTP and knowledge sharing. The perceived organizational support can moderate the relationship between CTP and self-efficacy and between HTP and emotional exhaustion.

This study explains the reasons for the academic controversy about the effect of time pressure, enhances the scholars’ attention and understanding of the dual-path mechanism between time pressure and knowledge sharing and augments the theoretical research of time pressure and knowledge sharing.

Knowledge hiding, intentionally withholding work-relevant information, is detrimental to organizations, yet practiced by supervisors and employees. Based on social learning and social exchange theories, this study aims to uncover the effects of supervisor knowledge hiding, abusive supervision and employee political skill on employee knowledge hiding behaviors, namely, evasive hiding, playing dumb and rationalized hiding. We compare the two destructive supervisor behaviors in their predictive values toward employee knowledge hiding and examine the role of employee political skill in mitigating their effects.

Based on survey data collected from 598 German-speaking employees, we used path analysis to test the hypotheses.

The two destructive supervisor behaviors and employee political skill predicted employee evasive hiding and playing dumb; supervisor knowledge hiding additionally predicted employee rationalized hiding. The predictive value of supervisor knowledge hiding was 2.5 times larger than that of abusive supervision and political skill. The effects of destructive supervisor behaviors were weaker for more politically skilled employees.

We examine two destructive supervisor behaviors conjointly and show the differences between them regarding their predictive value toward employee knowledge hiding. Furthermore, we investigate the role of political skill in knowledge hiding.