Catozzella, Alessandra; Vivarelli, Marco - Wirtschaftswissenschaftliche Fakultät, … - 2007
innovative inputs on a sample of 3045 manufacturing firms drawn from the third Italian Community Innovation Survey (1998 …-2000). The interactions between four different sources of innovation - internal and external R+D, embodied and disembodied … complementarity and substitutability relationships, depending both on the typology of the targeted innovation output and on the …