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An evaluation of the efficiency of different methods of the minimum variance portfolio selection was performed for seventy stocks from the Warsaw Stock Exchange. Eight specifications of multivariate GARCH models and six other methods were used. The application of all considered GARCH-class...
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The relations between a stock market and macroeconomic processes are objects of interest of this paper. The existence of the long-run dependence between the Warsaw Stock Exchange Index and selected macroeconomic processes was demonstrated. A positive influence on the WIG index in the...
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The dynamic conditional correlation (DCC) model by Engle (2002) is one of the most popular multivariate volatility models. This model is based solely on closing prices. It has been documented in the literature that the high and low prices of a given day can be used to obtain an efficient...
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