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Portfolio Optimization in the German Stock Market
Bastin, Jan ; Musílek, Petr (advisor) ; Witzany, Jiří (referee) ; Budinský, Petr (referee)
The thesis focuses on the equity portfolio management with quantitative methods. We present 3 types of optimization objectives: One tries to find minimum variance portfolios, tangency portfolios and portfolios with maximized expected returns in the German stock market. It is possible to compare those investment opportunities with a market-cap weighted benchmark and an equal weighted portfolio. Expected returns of stocks are estimated with fundamental factor models. Risks of portfolios are estimated with 5 types of covariance matrices: the matrix calculated with historical returns, estimations with the single index model, Fama-French three factors model, fundamental factor model and the shrinkage method. Our results are doubled because of the demonstration of the impact of turnover constraint on portfolio performance measures (transaction costs are included in our calculations). One can see that optimized portfolios had attractive risk-return measures in the period 2005 - 2015. Benchmark and equal weighted portfolios were dominated and we consider them to be inefficient investments in our test.
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The Analysis of the Development of Hedge Funds Regulation
Smolová, Kateřina ; Musílek, Petr (advisor) ; Bastin, Jan (referee)
The aim of the thesis is to analyze the evolution of hedge funds and their regulation, especially in the context of the global financial crisis. The first part focuses on defining the term "hedge fund", then it is compared with another institutional investor, mutual fund. The history and description of basic investment strategies of hedge funds are also analyzed. The second part overhauls the market of hedge funds, including its quantity, assets under management and performance. The last part is mainly devoted to the theoretical aspects of regulation and supervision of hedge funds, it analyzes the legal status of regulation and supervision of these funds in selected countries before the global financial crisis, the AIFM Directive requirements are discussed and their possible implications are analyzed; the AIFM Directive is compared with the Dodd Frank Act's requirements at the end.
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Stock Portfolio Construction and Fundamentals
Bastin, Jan ; Musílek, Petr (advisor) ; Witzany, Jiří (referee)
The final thesis deals with the construction of a stock portfolio. The traditional portfolio theory models of Markowitz and Sharpe and anomalies based on fundamentals are shown and applied in Germany. In the first part, portfolio theory and fundamentals are explained. The mathematical model is demonstrated in the second part. Empirical results are shown in the last part.
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