Griffith, Rachel; Lee, Sokbae; Van Reenen, John - In: Quantitative economics : QE ; journal of the … 2 (2011) 2, pp. 211-249
We examine the “home bias” of knowledge spillovers (the idea that knowledge spreads more slowly over international … apply it to data on over two million patent citations between 1975 and 1999. Home bias is exaggerated in models that do not … control for fixed effects. The fall in home bias over time is weaker for the pharmaceuticals and information …