Keller, Wolfgang - C.E.P.R. Discussion Papers - 2001
Convergence in per capita income turns on whether technological knowledge spillovers are global or local. Global … spillovers favour convergence, while a geographically limited scope of knowledge diffusion can lead to regional clusters of …&D expenditures in the world's seven major industrialized countries between 1970 and 1995. First, I find that the scope of technology …