“…Diversity is economically beneficial at both top managers and employees' levels (Von Bergen et al , 2005). Diversity concerns differences that affect a firm's performance (Chaurasia and Shukla, 2012) and that generate costs as well as benefits (Ellis and Keys, 2015; Okoro and Washington, 2012), advantages as well as disadvantages (Aghazadeh, 2004). Therefore, the studies on the relation between diversity and firm performance have mixed findings (Kochan et al , 2003; Lambert, 2016; Leonard et al , 2004; Liang et al , 2007; Lu et al , 2015; Joshi and Roh, 2009; Bell et al , 2011; Manoharan and Singal, 2017; Dang et al , 2018; Pedrini, 2018; Schrand et al , 2018).…”