“…It is possible that dominance of a group of workers persists, and these workers are more likely to be promoted than the workers of some other group. A consequence of this assumption is that firms have an incentive to "hide" their Invisibles in the low-level job, implying that these workers are discriminated against with 5 The promotion-signaling model was developed by Waldman (1984) and extended by Bernhardt (1995), Zábojník and Bernhardt (2001), Owan (2004), Ghosh and Waldman (2010), DeVaro and Waldman (2012), DeVaro, Ghosh, and Zoghi (2012), Zábojník (2012), Waldman (2013), Gürtler and Gürtler (2015), Cassidy, DeVaro, and Kauhanen (2016), DeVaro and Kauhanen (2016), Shankar (2016), and Waldman (2016). A worker is promoted if and only if firms have a sufficiently high expectation of the worker's ability.…”