The dynamics of patent citations

Alan Marco ()

No 84, Vassar College Department of Economics Working Paper Series from Vassar College Department of Economics

Abstract: The 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."

Date: 2006-11
New Economics Papers: this item is included in nep-ino, nep-ipr and nep-pr~
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Citations: View citations in EconPapers (7)

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Related works:
Journal Article: The dynamics of patent citations (2007)
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