Income inequality is a critical issue in both political and public debate. Educational attainment is a key causal factor of continuing inequality, since it influences human capital accumulation and, as a consequence, the unequal distribution of earnings. Educational inequality displays a racial...

Correspondence studies can identify the extent of discrimination in hiring as typically defined by the law, which includes discrimination against ethnic minorities and females. However, as Heckman and Siegelman (1993) show, if employers act upon a group difference in the variance of unobserved...