Raymond, Wladimir; Mohnen, Pierre A.; Palm, Franz C.; … - 2006
product or process innovations, while past shares of innovative sales condition, albeit to a small extent, current shares of … is no evidence of true
persistence in achieving technological product or process innovations, while past shares of …&D expenditures and its innovations is postulated such that the persistence
of innovation coincides with that of R&D expenditures. A …