The paper analyses the impact of geographic innovation on Total Factor Productivity (TFP) in Taiwan in 2001 using 242 … location Herfindahl index. We also consider the geographic innovation variable as an endogenous variable and use 2SLS to obtain … innovation, as well as Ramp;D expenditure, on TFP. These results are robust for the Gini coefficients and location Herfindahl …

on top inventors based on the universe of US patents 1971 - 2007 to quantify the productivity advantages of Silicon … Rochester high-tech cluster. I test whether the change in cluster size affected the productivity of inventors outside Kodak and … the photography sector. I find that between 1996 and 2007 the productivity of non-Kodak inventors in Rochester declined by …