Relative efficiency of R&D activities: A cross-country study accounting for environmental factors in the DEA approach
| Year of publication: |
2007
|
|---|---|
| Authors: | Wang, Eric C. ; Huang, Weichiao |
| Published in: |
Research Policy. - Elsevier, ISSN 0048-7333. - Vol. 36.2007, 2, p. 260-273
|
| Publisher: |
Elsevier |