01077nam a2200277 i 450099100160895970753620020502192436.0960913s1990 ||| ||| | eng 0472101927b10878233-39ule_instLE02372855ExLDip.to Studi Storiciita330.1Heertje, Arnold74885Evolving technology and market structure :studies in Schumpeterian economics /edited by Arnold Heertje and Mark PerlmanMichigan :University of Michigan,c1990351 p. ;23 cm.Innovazioni tecnologicheAspetti economiciCongressiSchumpeter, Joseph AloisCongressiPerlman, Mark.b1087823321-09-0628-06-02991001608959707536LE023 330.157 SCH 1 212023000032336le023-E0.00-l- 00000.i1098584028-06-02Evolving technology and market structure917675UNISALENTOle02301-01-96ma -engxx 01