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knowledge from external partners for successful innovation activities. The estimation results show that the determinants of …
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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 perception of the "death of distance," our matched-sample...
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," which an instrumental variable estimation shows to be a significant and sizable determinant of the observed trends at the …
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