00715nam0 22002411i 450 990003109980403321000310998FED01000310998(Aleph)000310998FED0100031099820000920d--------km-y0itay50------baitaITIs There Any Persistence in Innovative Activities?Elena CefisDiscussion PapersDipartimento di Economia, Università degli studi di Trento96.06Cefis,ElenaITUNINARICAUNIMARCBK990003109980403321SESIs There Any Persistence in Innovative Activities462193UNINAING01