共 63 条
[31]
Elmsekov J., 1998, SWEDISH EC POLICY RE, V5, P205
[33]
INNOVATION, TECHNOLOGICAL OPPORTUNITY, AND MARKET-STRUCTURE
[J].
OXFORD ECONOMIC PAPERS-NEW SERIES,
1990, 42 (03)
:586-602
[34]
Determinants of patent rights: A cross-national study
[J].
RESEARCH POLICY,
1997, 26 (03)
:283-301
[35]
Gottschalk P, 1997, J ECON LIT, V35, P633
[37]
HATZICHRONOGLOU T, 1997, 19972 STI OECD