Covariance Matrix Estimation under Total Positivity for Portfolio Selection
<jats:title>Abstract</jats:title> <jats:p>Selecting the optimal Markowitz portfolio depends on estimating the covariance matrix of the returns of N assets from T periods of historical data. Problematically, N is typically of the same order as T, which makes the samp...
Main Authors: | , , |
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Other Authors: | |
Format: | Article |
Language: | English |
Published: |
Oxford University Press (OUP)
2022
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Online Access: | https://hdl.handle.net/1721.1/143912 |