“…Humour is considered a powerful ingredient in managerial communications (Cooper et al, 2018) and managers who use it appropriately can break down barriers (McManus and Delaney, 2007) and develop effective working relationships (Mesmer-Magnus et al, 2012). Humour, which has been defined by The Oxford English Dictionary as "that quality of action, speech, or writing which excites amusement, oddity, jocularity, facetiousness, comicality, or fun" (Simpson and Weiner, 1989), is thought to enhance efficiency and creativity within companies (Krohe, 1987), improve learning (Kaupins, 1991) and increase performance (Mesmer-Magnus et al, 2012).…”