Griliches, Z., Hall, B. H., & Pakes, A. (1988). R&D, patents, and market value revisited: Is there a second (technological opportunity) factor?
Chicago-Zitierstil (17. Ausg.)Griliches, Zvi, Bronwyn H. Hall, und Ariel Pakes. R&D, Patents, and Market Value Revisited: Is There a Second (technological Opportunity) Factor? Cambridge, Mass, 1988.
MLA-Zitierstil (9. Ausg.)Griliches, Zvi, et al. R&D, Patents, and Market Value Revisited: Is There a Second (technological Opportunity) Factor? 1988.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.