Search for persons
X
?
Applied economics
1
Diminishing marginal returns from R&D investment
, In:evidence from manufacturing firms
Copies: Zentrale;
?
The journal of business / The Graduate School of Business of the University of Chicago
2
Size, leverage, concentration, and R&D investment in genera..:
, In:Copies:
Zentrale:Magazin Zs fb 9493
?
The world economy
3
How valuable are the patents behind section 337 cases?:
, In:Copies:
Zentrale:Magazin Zs fe 4796
?
Applied economics
4
Is foreign direct investment attracted to 'knowledge creato..:
, In:Copies: Zentrale;