Skip to main content
The Dynamics of Patent Citations
Economics Letters (2007)
  • Alan C. Marco, Vassar College
The use of patent citations as a measure of patent “quality” increased dramatically in recent years. In this note, I use hazard estimation to explore the dynamics of patent citation. I find evidence of unobserved heterogeneity and a means to separate patent quality from citation “inflation.”
  • patents,
  • patent citations,
  • hazard,
  • duration,
  • survival
Publication Date
February, 2007
Citation Information
Alan C. Marco. "The Dynamics of Patent Citations" Economics Letters, Volume 94, Issue 2, (February 2007).