The dynamics of patent citations
AbstractThe use of patent citations as a measure of patent "quality" increased dramatically in recent years. I estimate the hazard of patent citation, and find evidence of unobserved heterogeneity. Hazard estimation provides a means to separate patent quality from citation "inflation."
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Bibliographic InfoArticle provided by Elsevier in its journal Economics Letters.
Volume (Year): 94 (2007)
Issue (Month): 2 (February)
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Other versions of this item:
- Marco, Alan C., 2006. "The dynamics of patent citations," Vassar College Department of Economics Working Paper Series 84, Vassar College Department of Economics.
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