R&D and productivity: the econometric evidence
Finna-arvio
R&D and productivity: the econometric evidence
Tallennettuna:
| Kieli |
englanti |
|---|---|
| Julkaisija |
Chicago
University of Chicago Press,
1998
|
| ISBN |
0-226-30886-3 9786611223540 1-281-22354-9 0-226-30890-1 |
| Hae kokoteksti | |