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- W2580690209 abstract "The main purpose of this thesis is to give a basic understanding of the GMV portfolio theory and the problematics that arise when using the sample covariance matrix as the only parameter. The reason for this is the amount of estimation error that tends to increase as the sample covariance matrix goes to a higher dimension. In an attempt to reduce the amount of error, an alternative approach based on sector indices is introduced, which gives new and interesting results. This is a useful approach, since we are explaining the chosen stocks with fewer time series, a smaller dimension of covariance matrix needs to be estimated. This thesis lay the ground for this basic strategy, however, before any more profound conclusions can be drawn, further investigations have to be made. (Less)" @default.
- W2580690209 created "2017-02-03" @default.
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- W2580690209 date "2016-01-01" @default.
- W2580690209 modified "2023-09-27" @default.
- W2580690209 title "A critical review of the global minimum variance theory" @default.
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