“…For example, recent models of taste discrimination integrate henceforth the dynamic of job-search costs (Flabbi, 2005;Bowlus and Eckstein, 2002;Rosen, 2003;Black, 1995;Sattinger, 1996 ;Sasaki, 1999) and obtain more interesting conclusions in long term. But these models merely ask the question by looking at one 4 For a review of the literature, see Cain (1986) and, more recently, Altonji and Blank (1999) and Havet (2004). step back; it does not explain why employers should be prejudiced.…”