01035nam0-22002891i-450-99000318594040332120130610170959.0000318594FED01000318594(Aleph)000318594FED0100031859420030910d1999----km-y0itay50------baengIT<<The >>role of specialisation and diversity externalities in the agglomeration of innovative activitiesRaffaele Paci, Stefano Usai[S.l.s.n.]1999Contributi di ricercaCRENoS, Centro ricerche economiche Nord Sud, Università degli studi di Cagliari99.15Innovazioni tecnologicheAspetti economiciPaci,Raffaele115539Usai,Stefano122755ITUNINARICAUNIMARCBK990003185940403321PaperSESSESRole of specialisation and diversity externalities in the agglomeration of innovative activities452190UNINA