Impact of workplace bullying on knowledge hiding: The mediating role of emotional exhaustion and moderating role of workplace friendship

Purpose Workplace bullying has become a major challenge across the globe as it is associated with negative outcomes. Therefore, this study was designed to assess the impact of workplace bullying on knowledge hiding through emotional exhaustion. The study further investigated the moderating role of workplace friendship to reduce the detrimental effect of workplace bullying on knowledge hiding. Design/methodology/approach The study collected data from 358 nurses working in three large cities (Karachi, Islamabad and Lahore) of Pakistan in two lags to tackle the issue of common method bias. Findings The study applied structural equation modeling with maximum likelihood method using AMOS to test the hypotheses. The study noted that workplace bullying elevates emotional exhaustion and knowledge hiding among nurses; whereas, workplace friendship was noted as an essential factor to control adverse effects of workplace bullying on knowledge hiding. Research limitations/implications The study used a cross-section design that restricts causality. However, the findings of this study add to the conservation of resources theory by providing insights into the role of workplace friendship in reducing the relationship between workplace stressors (bullying) and negative behaviors (knowledge hiding). The study also suggests healthcare administration foster workplace friendship to cope with the negative outcomes of workplace bullying. Originality/value Drawing upon conservation of resources, this study explored the moderating role of workplace friendship between workplace bullying and knowledge hiding.