00378pab a2200133 454500008004000000100001700040245007600057260000900133300001400142362001100156650001000167700002100177773004600198180718b2004   xxu||||| |||| 00| 0 eng d  aBelman, Dale  aPublic wage differentials and the treatment of occupational differences  c2004  ap.135-52.  aWinter  aWages  aHeywood, John S.  aJournal of Policy Analysis and Management