Identifying the age profile of patent citations: new estimates of knowledge diffusion
Identifying the age profile of patent citations: new estimates of knowledge diffusion
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Publisher
Chichester, UK: John Wiley & Sons, Ltd
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Language
English
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Publisher
Chichester, UK: John Wiley & Sons, Ltd
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Contents
Previous research studies the age profile of patent citations to learn about knowledge flows over time. However, identification is problematic because of the collinearity between application year, citation year, and patent age. We show empirically that a patent's 'citation clock' does not start until it issues, and propose a highly flexible identif...
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Identifying the age profile of patent citations: new estimates of knowledge diffusion
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TN_cdi_proquest_miscellaneous_839128442
Permalink
https://devfeature-collection.sl.nsw.gov.au/record/TN_cdi_proquest_miscellaneous_839128442
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ISSN
0883-7252
E-ISSN
1099-1255
DOI
10.1002/jae.1086
