共 63 条
[2]
Anderson E., 1985, MARKET SCI, V4, P234, DOI [DOI 10.1287/MKSC.4.3.234, 10.1287/mksc.4.3.234]
[3]
[Anonymous], 1975, Markets and Hierarchies
[4]
BAKER GP, 2000, UNPUB CONTRACTIBILIT
[9]
BERGER AN, 1995, BROOKINGS PAPERS EC, V2, P55, DOI DOI 10.2307/2534612