Griffith, Rachel; Lee, Sokbae; Reenen, John Van - Centre for Economic Performance, LSE - 2007
We examine the "home bias" of international knowledge spillovers as measured by the speed of patent citations (i … apply it to data on over two million citations between 1975 and 1999. Home bias declines substantially when we control for … fixed effects: there is practically no home bias for the more "modern" sectors such as pharmaceuticals and information …