01180nam--2200397---450-99000067691020331620090316144830.00-444-87865-00067691USA010067691(ALEPH)000067691USA01006769120011015d19921993km-y0itay0103----baengNL||||||||001yyHandbook of labor economicsedited by Orley Ashenfelter and Richard LayardAmsterdamNorth-Holland1992-1993v.2001LavoroEconomia331ASHENFELTER,Orley C.LAYARD,RichardITsalbcISBD990000676910203316331 HAN 1/1 (IEP IX 153 5 1)11360 GIEP IX 15300202151331 HAN 1/2 (IEP IX 153 5 2)11359 GIEP IX 15300202380BKECOPATTY9020011015USA01175920020403USA011717PATRY9020040406USA011647RSIAV29020090316USA011448Handbook of Labor Economics459389UNISA