“…In other words, an ethical leader is a leader who is fair, honest, trustworthy, and principled decision-makers that behaves ethically in his/her personal and professional lives (Brown and Treviño, 2006 ; Charoensap et al, 2019 ). Moreover, ethical leaders do not only play the role of moral people by behaving ethically, but they also become moral managers such that they act as role models to influence followers to behave ethically as well (Brown and Treviño, 2006 ; O'Keefe et al, 2019 ). Two theories can rationalize how ethical leaders influence the followers' ethical behavior and standards: social learning theory (Bandura, 1977 ) and social exchange theory (Blau, 1964 ).…”