00919nam0 2200277 450 00002022620081203125441.00262071363026257097120081203d1991----km-y0itay50------baengUSGBy-------001yyInnovation and growth in the global economyGene M. Grossman and Elhanan HelpmanCambridge (Mass.)LondonThe MIT pressc1991XIV, 359 p.24 cmInnovation and growth in the global economy33400Commercio internazionaleSviluppo economico e progresso tecnicoGrossman,Gene M.119095Helpman,Elhanan128673ITUNIPARTHENOPE20081203RICAUNIMARC000020226621/47224NAVA2Innovation and growth in the global economy33400UNIPARTHENOPE