“…External pressures are believed to be the major drivers of ethical sourcing e.g., public pressure [65], external stakeholder pressure [24,[108][109][110], coercive and normative pressures [111], and legal pressure [112,113]. Trusting relationship/cooperation with supplier is also suggested as an important factor fostering ethical sourcing behaviour [67,108,111,114]. In addition, Frenkel (2001) [115] and van Tulder and Kolk (2001) [116] highlight the importance of institutional supports in improving employment relations and labour standards.…”