共 10 条
[1]
FUSS M, 1984, R D PATENTS PRODUCTI
[2]
FUSS M, 1978, PRODUCTION EC DUAL A, V1
[3]
FUSS M, 1987, PATENT STATISTICS EC
[5]
Kamien M.I., 1982, MARKET STRUCTURE INN
[6]
KAMIEN MI, 1975, J ECON LIT, V13, P1
[7]
LAU LJ, 1978, PRODUCTION EC DUAL A, V1
[8]
MANSFIELD E, 1979, REV ECON STAT, V61, P50
[9]
Scherer F. M, 1986, INNOVATION GROWTH SC
[10]
SCHERER FM, 1965, AM ECON REV, V55, P1097