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Geographic and technological R&D spillovers within the triad : micro evidence from US patents
Aldieri, Luigi, (2009)
International R&D spillovers between US and Japanese R&D intensive sectors
Bernstein, Jeffrey Ian, (1998)
R&D and productivity : empirical evidence at the firm level
Wieser, Robert, (2001)
Financing constraints, fixed capital and R&D investment decisions of Belgian firms
Cincera, Michele, (2002)
Financing constraints, fixed capital and R&D investment decisions of belgian firms