This paper examines the trends in geographic localization of knowledge spillovers via patent citations, extracting … multiple cohorts of new sample US patents from the period of 1976-2015. Despite accelerating globalization and widespread …

This paper examines the trends in geographic localization of knowledge spillovers via patent citations, considering US … patents from the period of 1976-2015. Despite accelerating globalization and widespread perception of the \death of distance …," which an instrumental variable estimation shows to be a significant and sizable determinant of the observed trends at the …

alternative indicators of the stock of knowledge are specified. One is based on patent applications, the other on numbers of … researchers. With patents as indicator the path-dependence hypothesis is rejected, and knowledge spillovers from neighboring …

This paper conducts a comprehensive study of patent citations in patents granted to Belgian corporate applicants by the … United States and the European Patent Offices using qualitative response variable analysis. The analysis uncovered different … patterns of citations in patents, which belong to different industrial classes. The studied citation data provides evidence of …