共 36 条
[6]
Bawa VS, 1979, ESTIMATION RISK OPTI
[7]
BROWN SJ, 1979, ESTIMATION RISK OPTI
[8]
BROWN SJ, 1979, J FINANCIAL QUANTITA, V15, P215
[9]
CLARKSON P, 1987, STOCK PRICES MARKET
[10]
COLES J, 1987, EQUILIBRIUM ASSET PR