“…King and So (2015) describe POS (or employee brand-oriented support) as service employees' general perceptions concerning the extent to which service firm assists and supports them in developing appropriate attitude, brand-specific knowledge (understanding values, promises and customer's needs), skills, which is imperative for service staff to elicit more BCB. Besides, past authors (e.g., Buil et al, 2016;Garg & Dhar, 2014;Dhiman & Arora 2019;King & So, 2015;Löhndorf & Diamantopoulos, 2014;Terglav et al, 2016;Xie et al, 2014;Xiong & King, 2018 have contended the more service employees perceived favorable brand-oriented support from top executives and managers, they will exert positive BCB or EBP as postulated by the social exchange theory.…”