“…Although millions of employees are subjected to unethical behaviours perpetrated by their supervisors (Andersson, Pearson, 1999;Tepper et al, 2006;Tepper, Henle, 2011;ECR, 2014), the research in this area has traditionally focused on its counterpart: ethical supervisory behavior and ethical leadership. Only recently researchers have started to pay attention to so-called dark supervision and in leaders' behaviours per se (see Ünal et al, 2012;Hershcovis, 2011;Tepper, Henle, 2011;Brown, Mitchell, 2010;Tepper, 2007), i.e.…”