“…To foster ethical behavior in companies, executives should demonstrate their commitment to business ethics (The Business Roundtable, 1988). Nothing undermines the effectiveness of a norm more than the belief that one is the only person abiding to it while all others ignore it (Cialdini, 2007; Kotzian, 2011). Whether top executives are perceived to back the code is part of a company's ethical culture, which in turn affects ethical behavior (Driscoll, 2001; Kaptein, 2008), and there is evidence of a positive effect of ethical leadership on ethical behavior (Posner & Schmidt, 1992; Treviño et al, 1999).…”