00360nam a2200133Ia 4500020001500000082002200015100002300037245006500060260003100125300002800156490003200184500000500216700000500221  a0262134330  a331.2101bM887.WD  aMortensen, Dale T.  aWage dispersion; why are similar workers paid differently?b  aCambridgebMIT Pressc2003  axii, 143p. Bibl. Index.  aZeuthen lecture book series  a  a