Up to now, researchers have identified various individual and work-related factors as potential antecedents of workplace bullying. The aim of the present study is to integrate this line of research in view of explaining how these antecedents may develop into workplace bullying. Key informants, such as union representatives, employees with a confidence role concerning workplace bullying, human resource managers, prevention workers and social service employees, analysed bullying incidents or cases within their organization. We combined the various perspectives on the same incident into one plan. Then, all 87 case plans were united in a global model that reflects the development towards bullying. The results suggested three processes that may contribute to the development of bullying. Firstly, bullying may result from inefficient coping with frustration. Such coping mechanisms are likely to be active for perpetrators, and passive for victims. Secondly, bullying may be the consequence of escalated conflicts. Thirdly, bullying may result from destructive team and organizational cultures or habits. Individual and work-related antecedents may affect these processes in two ways: they may be at the origin of the three processes, and they may relate to the employees' coping style. Implications for theory and research are discussed.

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Over recent decades, a broad range of studies have investigated organizational antecedents of workplace bullying, predominantly in large organizations. Exploring this topic within small- and medium-sized enterprises (SMEs) is however important: SMEs differ from large organizations in cultural, structural and strategic ways. Accordingly, the current study aims to investigate organizational correlates of bullying in SMEs based on the Three Way Model as a theoretical framework. Data were gathered from 358 employees in 39 Flemish (Belgian) SMEs with maximum 100 employees. The organizational characteristics explained 29 per cent of the variance of bullying. Regression analyses revealed statistically significant associations between bullying, on the one hand, and organizational change, a people-oriented culture, an (known) anti-bullying policy, working in a family business, on the other hand. In sum, our results suggest that SMEs experiencing organizational change need to be extra vigilant against workplace bullying. Based on our results, bullying also seems more prevalent in SMEs without a people-oriented culture and in family businesses. Finally, the results suggest that the presence of an anti-bullying policy buffers bullying in SMEs.

Background. People with mental disorders experience difficulties with finding competitive jobs. In countries with longer psychiatric hospitalization periods, the vocational rehabilitation process can start during hospitalization. Yet, rehabilitation can be hindered by a lack of focus by clinicians on the patients' vocational goals and a lack of agreement between clinicians and patients.

Whereas existing alliance portfolio studies mainly focus on the structure or management of alliance portfolios, we conceptually explore the connections between them. In particular, we formulate propositions, arguing that the formalization, centralization, and customization of alliance portfolio management moderate the relationship between the structural characteristics of alliance portfolios (i.e., alliance portfolio size and alliance portfolio heterogeneity) and innovation performance. Based on this assessment, we identify different alliance portfolio management bundles for different alliance portfolio structures and formulate interesting avenues for future research.