National Repository of Grey Literature 7 records found  Search took 0.01 seconds. 
Comovement of Central European stock markets using wavelet coherence: Evidence from high-frequency data
Baruník, Jozef ; Vácha, Lukáš ; Krištoufek, Ladislav
In this paper, we contribute to the literature on international stock market comovement and contagion. The novelty of our approach lies in usage of wavelet tools to high-frequency financial market data, which allows us to understand the relationship between stock market returns in completely different way. Major part of economic time series analysis is done in time or frequency domain separately. Wavelet analysis can combine these two funda- mental approaches, so we can work in time-frequency domain. Using wavelet coherence, we have found very interesting dynamics of cross-correlations be- tween Central European and Western European stock markets. We analyze the high-frequency (5 minute) and low-frequency (daily) data of Czech (PX), Hungarian (BUX) and Polish (WIG) stock indices with a benchmark of German stock index (DAX) on the period of 2008-2009. Our findings provide possibility of a new approach to financial risk modeling.
Chování středoevropských trhů počas finanční krize
Baruník, Jozef ; Vácha, Lukáš ; Vošvrda, Miloslav
In the paper we research statistical properties of the Central European stock markets.
Waveletová analýza trhů střední evropy během krize
Vácha, Lukáš ; Baruník, Jozef
In the proposed paper we would like to test for the different reactions of the stock markets to current financial crisis. We will focus on the Central European stock markets, namely Czech, Polish, Hungarian and compare them to German and U.S. benchmark stock markets.
Smart Predictors in the Heterogeneous Agent Model
Vácha, Lukáš ; Baruník, Jozef ; Vošvrda, Miloslav
In this paper we extended the original model of heterogeneous agent model by introducting smart traders concept.
Sentiment Patterns in the Heterogeneous Agent Model
Vácha, Lukáš ; Baruník, Jozef ; Vošvrda, Miloslav
In this paper we extended the original model of heterogeneous agent model by introducting smart traders and changes in the agents sentiment to the model.
Wavelet Neural Networks Prediction of Central European Stock Markets
Vácha, Lukáš ; Baruník, Jozef
In this paper we apply neural network with denoising layer method for forecasting of Central European Stock Exchanges, namely Prague, Budapest and Warsaw.

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