“…To date, studies have used three theoretical perspectives to explain how leader behaviour can enhance employees’ PEB. From a social exchange perspective, leader behaviour affects employees’ PEB by improving their organisational commitment (Afsar et al., 2020), leadership commitment (Raineri et al., 2016), environmental commitment (Cantor et al., 2015), and the leader–member exchange (Gkorezis, 2015). From a motivational perspective, leaders can enhance the external motivation (Graves et al., 2013), intrinsic motivation (Afsar et al., 2016), and the passion (Robertson & Barling, 2013) of their employees, which in turn increases employees’ PEB.…”