TY - BOOK AU - Pastor,Lubos AU - Stambaugh,Robert F. TI - Comparing asset pricing models : an investment perspective AV - HG4636 P377C PY - 1999/// CY - Cambridge, Mass. PB - National Bureau of Economic Research KW - CAPITAL ASSETS PRICING MODEL KW - PORTFOLIO MANAGEMENT KW - ECONOMETRIC MODELS KW - RISK ASSESSMENT ER -