Criscuolo, Paola; Verspagen, Bart - United Nations University-Maastricht Economic Research … - 2005
relevant for the issue of geographical concentration of knowledge flows (as embodied in citations). The distinction between … inventor and examiner citations enables us to work with a more refined citation indicator of knowledge flows. We use … localization effect of inventor citations, after controlling for various other factors, and hence suggest that knowledge flows are …