ConceptMarkowitz Mean-Variance Model / 现代投资组合理论
Markowitz Mean-Variance Model
A portfolio theory proposed by Harry Markowitz that optimizes asset allocation through the mean (expected return) and variance (risk), assuming returns follow a normal distribution.
Timeline (last 90 days)
Oct 30
Traditional portfolio theory (such as the Markowitz mean-variance model) assumes returns follow a normal distribution, thereby underestimating the impact of tail events; whereas Taleb in "The Black Swan" emphasizes that real-world distributions often have fat-tail characteristics, with extreme events occurring far more frequently than normal-distribution predictions.
Unverified50%