The paper presents a new sectoral taxonomy that focuses on the existence of non negligible external effects, deriving from user-producer knowledge interactions, the latter in turn coupled with intermediate goods transactions, in a system of vertically integrated manufacturing and services...

This paper investigates empirically the occurrence of pecuniary knowledge externalities at the sectoral level across European economies. The main results suggest that, although some sectors can be considered as playing a particularly important role as a source of pecuniary knowledge...