In a set of 3 diagrams for the US labor market that each have the number of Americans hired (Nb) the horizontal axes and relative wages of blacks and on the vertical axes (Wb/Ww), illustrate the following three about wage gaps, which are based the theory of employer discrimination. (In each case hold human capital constant) Be sure to clearly label and explain your diagrams.
a) Race-related pay gaps will be greater, the greater the share of the black population in a region.
b) Race-related pay gaps will be larger, all else equal, the greater the prejudice of the white employers who hire blacks.
c) Race-related pay gaps are unaffected by the level of the most prejudiced employers, that is, the ones who do not hire any blacks.