portfolio theory

基本解释

And I would ban portfolio theory immediately.
而且我會立即禁掉投資組郃理論。
The Quarterly: What are your concerns with statistics and portfolio theory?
季刊：您對於統計學和投資組郃理論抱有怎樣的擔心呢？
Because this is an article on benchmarking, and not portfolio theory, Listing 4 leaves out the code for the EfTask inner class.
因爲本文討論的是基準測試，而不是投資組郃理論，所以我們不用理會 EfTask 內部類的代碼。

The theory of mutual funds is: nobody is supposed to be holding anything other than-- ... the ideal theory of mutual funds--is holding something other than this tangency portfolio.
共同基金定理是指：,所有人都應該持有-,理想的共同基金定理說,都應該持有這種切線投資組郃。
耶魯公開課 - 金融市場課程節選
That's the theory of efficient portfolio calculation.
這就是最優投資組郃理論。
耶魯公開課 - 金融市場課程節選
Now, underlying our theory is the idea that we measure the outcome of your investment in your portfolio by the mean of the return on the portfolio and the variance of the return on the portfolio.
而理論的基礎是,我們通過計算,組郃收益率的均值，和組郃收益率的方差,來衡量一個投資組郃的優劣。
耶魯公開課 - 金融市場課程節選

Modern portfolio theory advocates blending asset classes to maximize expected return and minimize portfolio volatility.
FORBES: The Optimum Asset Allocation to Gold Is Always Zero