00381pab a2200133 454500008004000000100002400040245007900064260000900143300001200152362000800164650002300172700002100195773003100216180718b2009   xxu||||| |||| 00| 0 eng d  aBoustan, Leah Platt  aRace, segregation, and postal employment: new evidence on spatial mismatch  c2009  ap.1-10.  aJan  aRacial segregation  aMargo, Robert A.  aJournal of Urban Economics