TY - BOOK AU - Sharpe,William F. TI - Portfolio theory and capital markets T2 - McGraw-Hill series in finance SN - 070564876 AV - HG173 S4 PY - 1970/// CY - New York, México PB - McGraw-Hill KW - Riesgo (Economía) KW - Capital KW - Finanzas KW - Inversiones ER -