共 12 条
[1]
Andrews P. W. S., 1952, J IND ECON, V1, P72
[2]
Arrow K. J., 1969, ANAL EVALUATION PUBL, V1, P47
[4]
Berg S., 1978, IND ORG REV, V6, P110
[7]
MARITI P, 1980, F ANGELI
[8]
Mead W.J., 1967, ANTITRUST B, V12, P819