tailieunhanh - Doctoral dissertation: Shrinkage estimation of covariance matrix for portfolio selection on Vietnam stock market

The objective of this dissertation is to investigate that whether the investors can improve the performance of minimum – variance optimized portfolios by altering the estimators of covariance matrix input. Besides, based on the results of out – of – sample portfolio performance metrics, the dissertation is going to select the suitable estimators of covariance matrix for portfolio optimization on Vietnam stock market. |