“…The increase in inequality was primarily driven by labor market wages (Bhorat et al, 2001;Hundenborn et al, 2018;Hundenborn et al, 2018;Keswell et al, 2013;Liebbrandt et al, 2012;McDonald & Piesse, 1999;Tshitereke, 2006;Treganna and Tsela, 2012;Wittenberg, 2017aWittenberg, , 2017b. Those in the upper-and middle-income percentiles of the economic distribution derive most of their income from wages (Liebrandt et al, 2010(Liebrandt et al, , 2012World Bank, 2018).…”