Patent Quality and Research Productivity: Measuring Innovation with Multiple Indicators
| Year of publication: |
2004
|
|---|---|
| Authors: | Lanjouw, Jean O. ; Schankerman, Mark |
| Published in: |
The economic journal : the journal of the Royal Economic Society. - Oxford [u.a.] : Blackwell, ISSN 1468-0297, ZDB-ID 30259. - Vol. 114.2004, 495, p. 441-465
|