We discuss the strengths and weaknesses of five alternative innovation indicators: R&D, patent applications, total innovation expenditure and shares in sales taken by imitative and by innovative products as they were measured in the 1992 Community Innovation Survey (CIS) in the Netherlands. We...

We discuss the strengths and weaknesses of five alternative innovation indicators: R&D, patent applications, total innovation expenditure and shares in sales taken by imitative and by innovative products as they were measured in the 1992 Community Innovation Survey (CIS) in the Netherlands. We...

From cross-sectional data of 460 firms that responded to both the 1988 and the 1992 Dutch innovation surveys we have reexamined the causality direction between R&D and patents, using data on contemporaneous and four-year lagged patent applications and R&D expenditures. The two equations have...