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Persistent link: https://www.econbiz.de/10011533037
Purpose – Proposes a new covariance matrix robust estimator able to capture the correct orientation of the data and the large unconditional variance caused by occasional high volatility periods. Design/methodology/approach – Derives easy‐to‐compute estimates for the center and covariance...
Persistent link: https://www.econbiz.de/10014785228
Persistent link: https://www.econbiz.de/10002455159