一些经济学家还对现代投资组合理论的适用性表示怀疑。
Some economists also express doubts as to the applicability of Modern Portfolio Theories. Consider this comment by a thought leader in MPT, William sharpe.
现代投资组合理论虽已诞生了半个世纪，但有关它的研究仍层出不穷。
Although modern portfolio theory was born fifty years ago, academic articles related to it still emerge in an endless stream.
旨在通过建立投资者多心理账户权重的确定方法，用以改进传统的行为证券组合理论(BPT)。
Its studied for improving the traditional behavioral portfolio theory (BPT) by dealing with weights of investors multiple mental accounts.
但所有这些仍然不能替代马科维兹资产组合理论的主流地位，它逻辑上一致并且形式上简单，已经被广大投资者和理论界所接受。
However these theories can't take the primary place of Markowitz's Portfolio Theory, which are consistent in logic, simple in form and widely accepted by investors and men of learning.
但所有这些仍然不能替代马科维兹资产组合理论的主流地位，它逻辑上一致并且形式上简单，已经被广大投资者和理论界所接受。
However these theories can't take the primary place of Markowitz's Portfolio Theory, which are consistent in logic, simple in form and widely accepted by investors and men of learning.
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