01084nam0-22003491i-450-990003153880403321000315388FED01000315388(Aleph)000315388FED0100031538820000920d--------km-y0itay50------baitaIT<<The >>Persistence of Innovative Activities.A Cross-Countries and Cross-Sectors Comparative AnalysisElena Cefis and Luigi OrsenigoDiscussion PapersDipartimento di Economia, Università degli studi di Trento98.04Innovazioni tecnologiche e industriaF/1.221F/1.402F/1.411F/1.421F/1.424G/1.4Cefis,ElenaOrsenigo,LuigiITUNINARICAUNIMARCBK990003153880403321PaperSESSESPersistence of Innovative Activities.A Cross-Countries and Cross-Sectors Comparative Analysis458191UNINAING01