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National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Graphical models in statistics and econometrics
 Hubálek, Ondřej ; Zouhar, Jan (advisor) ; Bisová, Sára (referee)
Graphical models in statistics and econometrics provide capability to describe causal relations using causal graph in classical regression analysis and others econometric tools. Goal of this thesis is description of causal modelling of time series with help of structural models of vector autoregression. There is description of procedure of building structural VAR model, principle of graphical models and building model for causal dependence analysis. For purpose of comparison there are used data from both USA and Czech Republic and comparison of similar models for both countries is presented. Best models are then selected, to show causal relations between macroeconomic variables. For purpose of analysis, impulse-response functions are used to show impact of demand shock on GDP and other macro indicators.
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Analysis of inflation dynamics in Czech Republic
 Hubálek, Ondřej ; Hušek, Roman (advisor) ; Formánek, Tomáš (referee)
Bachelor work is focused on analysis of inflation dynamics in Czech Republic using econometric models. Inflation with its impacts, costs and possibilities of measuring is described in the first part of this work. There is also described influence of Czech national bank on inflation progress and inflation targeting. Part also contains basic econometric models for inflation analysis and models of adaptive expectations. Consequently there is described theory of econometrics analysis, focused on ordinary least squares method. There are also described factors that can negatively influence significance of estimated models. In the concrete it is heteroscedasticity, autocorrelation and multicolinearity. The empirical part contains econometric analysis of inflation in Czech Republic by itself, using models described in theoretical part. There are also used other models, coming out of economic hypothesis. In the end there are selected models for inflation prediction.
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