证券组合投资中的悖论问题

The More-for-less Paradox in the Markowitz Model

讨论Markowitz证券组合投资模型的"多反而少"悖论问题,论证Markowitz模型出现"多反而少"悖 论现象的两个充分必要条件,并相应给出消除"多反而少"悖论现象的有效方法。

For the more-for-less problem in the Markowitz model ,this paper prove two sufficient and necessary conditions, and presents effecient ways to remove the more-for-less paradox in the Markowitz model.