Volatility of the financial time series belongs to the crucial estimated parameters in finance (e.g. in risk management, derivative pricing). It is well known, that volatility varies in time, so that new approaches of volatility modeling have appeared. In this paper two models of the conditional...

The article deals with a typical phenomenon of financial time series - volatility. These time series usually embody intermittent periods of relative "calm" and quite high variability. A volatility modelling of time series is made with the help of special econometric volatility models which...

The aim of the article is to answer the question if the Czech stock market price dynamics is generated by non-linear deterministic dynamic process. To solve this complex problem requires using sophisticated computational operations to analyze huge amount of data input. To overcome this obstacle...

The paper presents both theoretical and an empirical analysis of factors influencing the prices of non-tradable goods and services in the Czech economy. The analysis discusses the development of the real exchange rate of the Czech koruna and quantifies the size of the real exchange rate...

Investment expenditure relates to an evident optimization problem: to create an optimal capital stock which is a function of expected profits. According to the Tobin´s Q - theory, investment depends on the ratio Q of the market value of business capital assets to their replacement value. A...