Sökning: "Erik Thorsén"

Hittade 2 avhandlingar innehållade orden Erik Thorsén.

  1. 1. Assessment of the uncertainty in small and large dimensional portfolio allocation

    Författare :Erik Thorsén; Taras Bodnar; Thomas Holgersson; Stockholms universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES;

    Sammanfattning : Portfolio theory is a large subject with many branches. In this thesis we concern ourselves with one of these, the precense of uncertainty in the portfolio allocation problem and in turn, what it leads to. There are many forms of uncertainty, we consider two of these. LÄS MER

  3. 2. Optimal portfolios in the high-dimensional setting : Estimation and assessment of uncertainty

    Författare :Erik Thorsén; Taras Bodnar; Joanna Tyrcha; Mark Podolski; Stockholms universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Shrinkage estimator; high-dimensional covariance matrix; random matrix theory; optimal portfolios; parameter uncertainty; ridge regularization; dynamic decision making; matematisk statistik; Mathematical Statistics;

    Sammanfattning : Financial portfolios and diversification go hand in hand. Diversification is one of, if not, the best risk mitigation strategy there is. If an investment performs poorly, then it will not impact the performance of the portfolio much due to diversification. Modern Portfolio Theory (MPT) is a framework for constructing diversified portfolios. LÄS MER