Lisa Goldberg : James–Stein for the leading eigenvector and how to make each portfolio construction optimisation unique with less error. Lisa’s research identifies and mitigates bias in the leading eigenvector of a sample factor-based covariance matrix estimated in the high-dimension low sample size (HL) regime. …and more!
LQG 2023/09/11 – 18:30 – James–Stein for the leading eigenvector – Lisa Goldberg – BlackRock
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