【摘要】 本文利用证券市场模型和资本资产定价模型 ( CAPM)简化了不允许卖空的Markowitz的证券组合决策模型 ,导出了不允许卖空的 β值证券组合投资决策模型 ,并研究了该模型的解及其性质更多还原

【Abstract】 In this paper, we simplify Markowitz’s model for portfolio investment under the condition of no short sale with the help of Market Model and CAPM, present β model for portfolio investment decision under the condition of no short sale, study its solution and its character.更多还原