This paper examines the trends in geographic localization of knowledge spillovers via patent citations, extracting … perception of the "death of distance," our matched-sample study reveals significant and growing localization effects of knowledge … geography of knowledge production. …

This paper examines the trends in geographic localization of knowledge spillovers via patent citations, considering US …," our multi-cohort \matched-sample" study reveals significant and growing localization effects of knowledge spillovers at …

agglomeration increases the negative impact of knowledge spillover on firms' R&D efforts. We then use high-tech, firm-level data …&D investment more in denser locations than in lesser ones with the presence of knowledge spillover. This implies that local … from China to test our theoretical predictions. We develop a technological similarity index as a proxy for knowledge …

In this paper the relationship between firm growth and external knowledge sources, such as related firms and … properly accounts for growth relevant knowledge spillovers and allows for estimating their spatial range and functional form … factors substantially differ along firms' size, type of knowledge source and growth level. …