共 37 条
[11]
INCENTIVE TO INVENT - CLARIFICATORY NOTE
[J].
JOURNAL OF LAW & ECONOMICS,
1973, 16 (01)
:169-177
[12]
JACOBS DP, 1971, BUSINESS LOAN COSTS
[14]
KAMIEN MI, 1975, J ECON LIT, V13, P1
[18]
LUSTGARTEN SH, 1975, REV ECON STAT, V62, P125
[19]
MANSFIELD E, 1977, PRODUCTION APPLICATI
[20]
Markham J., 1974, IND CONCENTRATION NE