00868nam0 22002771i 450 99000733469040332120021010000733469FED01000733469(Aleph)000733469FED0100073346920021010d--------km-y0itay50------baita<<The >>role of Demand and Supply in the generation and diffusion of technical changeThirtleRuttanU.S.A.Horwood1987163 p.22 cmFoundamentals of pure and applied economicsThirtle,Colin G.88977ITUNINARICAUNIMARCBK990007334690403321XV O2 29215321XV O2 292DTERole of Demand and Supply in the Generation and Diffusion of Technical Change394670UNINAGEN01