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National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Model realizované stochastické volatility v praxi
 Vavruška, Marek ; Zouhar, Jan (advisor) ; Formánek, Tomáš (referee)
Realised Stochastic Volatility model of Koopman and Scharth (2011) is applied to the five stocks listed on NYSE in this thesis. Aim of this thesis is to investigate the effect of speeding up the trade data processing by skipping the cleaning rule requiring the quote data. The framework of the Realised Stochastic Volatility model allows the realised measures to be biased estimates of the integrated volatility, which further supports this approach. The number of errors in recorded trades has decreased significantly during the past years. Different sample lengths were used to construct one day-ahead forecasts of realised measures to examine the forecast precision sensitivity to the rolling window length. Use of the longest window length does not lead to the lowest mean square error. The dominance of the Realised Stochastic Volatility model in terms of the lowest mean square errors of one day-ahead out-of-sample forecasts has been confirmed.
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Application of data envelopment analysis to the efficiency assesment of bank branches
 Vavruška, Marek ; Jablonský, Josef (advisor) ; Chrobok, Viktor (referee)
In the first, theoretical part of this bachelor thesis the theoretical basis of data envelopment analysis (focusing on the CCR and BCC models) is described and its principle is illustrated with the simple examples. The aim of this thesis is to analyze the efficiency of GE Money Bank branches, using the models described in the first part. The choice of inputs and outputs of bank branches is based on foreign studies, referred to in the second part. Another goal is the inclusion of the factor of potential of bank branches, which is understood here as the average gross wage in the given region. This was achieved by the modification of original data using the ratio of average gross monthly wage in the Czech republic and the average gross monthly wage in the given region. There are compared the results obtained by a calculation based on the original data and the results achieved after adjusting the data, in the final part of the thesis.
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2 Vavruška, Martin
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