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This paper is concerned with testing the time series implications of the capital asset pricing model (CAPM) due to Sharpe (1964) and Lintner (1965), when the number of securities, N, is large relative to the time dimension, T, of the return series. In the case of cross-sectionally correlated...
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-Gaussianity and general forms of weakly cross correlated errors. It does not require estimation of an invertible error covariance …
Persistent link: https://www.econbiz.de/10011630054
-Gaussianity and general forms of weakly cross correlated errors. It does not require estimation of an invertible error covariance …
Persistent link: https://www.econbiz.de/10011646274
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This paper proposes a novel regularisation method for the estimation of large covariance matrices, which makes use of …
Persistent link: https://www.econbiz.de/10010361374
This paper proposes a regularisation method for the estimation of large covariance matrices that uses insights from the …
Persistent link: https://www.econbiz.de/10011405221