| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 5062572 | Economics Letters | 2007 | 7 Pages |
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”.
Related Topics
Social Sciences and Humanities
Economics, Econometrics and Finance
Economics and Econometrics
Authors
Alan C. Marco,