Gone But Not Forgotten: Labor Flows, Knowledge Spillovers, and Enduring Social Capital
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It is well known that patent citations occur disproportionately between patents issued to inventors living in the same location, which has been taken as evidence of geographically localized knowledge spillovers. In this study, we find that patent citations also occur disproportionately often in
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美国国家经济研究局创建时间：
2003-09-01
