//-->
Firm level investment and R&D in France and the United States : a comparison
Mulkay, Benoît, (2000)
Mulkay, Benoît, (2001)
Valuing and timing R&D using a real options pricing framework : including an application to the development of Lunar Helium-3 Fusion
Ott, Steven Henry, (1992)
US government subsidies to private military R&D investment : the Defense Department's independent R&D policy
Lichtenberg, Frank R., (1990)
[Rezension von: Nickell, S., The performance of companies]
Lichtenberg, Frank R., (1996)
Benefits and costs of newer drugs : an update
Lichtenberg, Frank R., (2002)