共 28 条
[1]
Bain JS, 1956, BARRIERS NEW COMPETI, DOI 10.4159/harvard.9780674188037
[4]
Caves R. E., 1980, COMPETITION OPEN EC
[7]
CAVES RE, 1977, WELFARE ASPECTS IND
[8]
Comanor W.S., 1974, ADVERTISING MARKET P
[10]
Huveneers C., 1981, RECHERCHES EC LOUVAI, V47, P209