共 10 条
[1]
BROWN SL, 1978, J FINANCE MAR, P17
[3]
COPELAND T, 1979, FINANCIAL THEORY COR
[5]
FAMA EF, 1976, F FINANCE
[6]
IBBOTSON RG, 1983, J PORT MANAGE WIN
[9]
ROLL RW, 1980, J FINANCE DEC, P1073
[10]
SHARPE W, 1964, J FINANCE SEP, P425