Innovation and export activities in the German mechanical engineering sector: an application of testing restrictions in production analysis
| Year of publication: |
2011
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|---|---|
| Authors: | Schubert, Torben ; Simar, Léopold |
| Published in: |
Journal of productivity analysis. - Dordrecht [u.a.] : Springer, ISSN 0895-562X, ZDB-ID 10074041. - Vol. 36.2011, 1, p. 55-70
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