00969nam--2200349---450-99000211644020331620090225161818.0000211644USA01000211644(ALEPH)000211644USA0100021164420041027d1972----km-y0itay0103----baengGB||||||||001yyCost-benefit analysisselected readingsedited by Richard LayardHarmondsworthPenguin books1972496 p.18 cm20012001001-------2001658.1554LAYARD,RichardITsalbcISBD990002116440203316658.155 COS 3 (IEP VI 2)28351 E.C.IEP VI00198889BKECOSIAV21020041027USA011505RSIAV39020090225USA011618Cost-benefit analysis75046UNISA