Count data stochastic frontier models, with an application to the patents–R&D relationship
| Year of publication: |
2013
|
|---|---|
| Authors: | Fé, Eduardo ; Hofler, Richard |
| Published in: |
Journal of productivity analysis. - Dordrecht [u.a.] : Springer, ISSN 0895-562X, ZDB-ID 10074041. - Vol. 39.2013, 3, p. 271-284
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