00370pab a2200133 454500008004000000100002400040245005800064260000900122300001400131362000800145650002300153700002500176773003500201180718b2007   xxu||||| |||| 00| 0 eng d  aEchenique, Federico  aA measure of segregation based on social interactions  c2007  ap.441-85.  aMay  aRacial segregation  aFryer, Roland G.,Jr.  aQuarterly Journal of Economics