“…Understanding the antecedents of EL is critical to prevent the occurrence of unethical behaviors, but this is still a less explored research area. Only few studies address antecedents of (un)ethical leadership, such as leaders' personality traits (Kalshoven, Den Hartog, & De Hoogh, ; Walumbwa & Schaubroeck, ), ethical values (Groves & LaRocca, ), moral identity (Mayer, Aquino, Greenbaum, & Kuenzi, ; Zhu & Treviño, ), supervisors' ethical ideologies (Letwin et al, ), and moral disengagement (Bonner, Greenbaum, & Mayer, ).…”