共 5 条
[1]
Friedman M., 1953, ESSAYS POSITIVE EC, P175
[2]
LUTZ FA, 1954, BANCA NAZIONALE LAVO, V31, P30
[3]
ROSS JA, 1938, SPECULATION STOCK PR, P127
[4]
SAMUELSON, 1947, F EC ANAL, P269
[5]
VINER J, 1956, STATE SOCIAL SCI