Localized Knowledge Spillovers : Evidence from the Agglomeration of American R&D Labs and Patent Data

Supercedes 15-03 We employ a unique data set to examine the spatial clustering of private R&D labs. Instead of using fixed spatial boundaries, we develop a new procedure for identifying the location and size of specific R&D clusters. Thus, we are better able to identify the spatial locations of clusters at various scales, such as a half mile, 1 mile, 5 miles, and more. Assigning patents and citations to these clusters, we capture the geographic extent of knowledge spillovers within them. Our tests show that the localization of knowledge spillovers, as measured via patent citations, is strongest at small spatial scales and diminishes rapidly with distance

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Year of publication:	2018
Authors:	Buzard, Kristy
Other Persons:	Carlino, Gerald A. (contributor) ; Hunt, Robert M. (contributor) ; Carr, Jake (contributor) ; Smith, Tony E. (contributor)
Publisher:	[2018]: [S.l.] : SSRN
Subject:	Patent \| Spillover-Effekt \| Spillover effect \| Wissenstransfer \| Knowledge transfer \| Regionales Cluster \| Regional cluster \| Industrieforschung \| Industrial research \| Innovation \| Agglomerationseffekt \| Agglomeration effect \| Forschungskooperation \| Research collaboration
Description of contents:	Abstract [papers.ssrn.com]