“…In this latter scenario, bias can come in many forms and can be exercised by many different actors (see also Frase, 2009). While there are significant data limitations that impede our ability to fully decompose aggregate racial disparities in incarceration rates (Frase, 2010), the available data indicated that during the 1970s and 1980s little of this disparity was due to sentencing differentials and a large majority--75-80%--was due to differential selection into the criminal justice system, namely racial disparities in rates of offending and arrest (Blumstein, 1982(Blumstein, , 1993Harris, Steffensmeier, Ulmer, & Painter-Davis, 2009;Langan, 1985). Times have changed, however.…”