The dynamics of patent citations

被引：58
|
作者：
Marco, Alan C. [1 ]
机构：
[1] Vassar Coll, Dept Econ, Poughkeepsie, NY 12604 USA
来源：
ECONOMICS LETTERS | 2007年 / 94卷 / 02期
关键词：
patents; patent citations; hazard rate; duration;
D O I：
10.1016/j.econlet.2006.08.014
中图分类号：
F [经济];
学科分类号：
02 ;
摘要：
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". (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：290 / 296
页数：7
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