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...

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...

This paper wants to give a basic overview of arguments for and against of using the financial derivatives tools in the field of foreign exchange risk management. The case study shows, how the separate hedging instruments have impact on P & L statement. This paper discusses different relationship...

Long-term memory processes have been extensively examined in recent literature as they provide simple way to test for predictabilty in the underlying process. However, most of the literature interprets the results of estimated Hurst exponent simply by its comparison to its asymptotic limit of...

Autoøi se ve svém èlánku pokoušejí odpovìdìt na otázku, zda proces eliminace neperspektivních firem napomohl oživení èeské ekonomiky na konci 90. let. Pro rok 1999 prokázali vysokou míru podobnosti provozních výsledkù (produktivita práce, pøidaná hodnota na zamìstnance,...

Credit risk is a significant feature of debt securities. Large institutional investors employ teams of researchers who scrutinize and measure credit risk. The Czech market possesses specific features that make the exact specification and measurement of credit risk an uneasy task. This article...

Over the past few years, the Value at Risk indicator (VaR) has evolved, without doubt, into the most frequently used comprehensive tool for assessment of potential losses caused by adverse changes in market rates. However, the common models used for VaR assessment are based only on mid prices...

Our paper focuses on the analysis of supply and demand shocks and on the estimation of expected costs of introducing Euro currency into Czech Republic (CR). The analysis is based on the theory of optimal currency areas by Mundell (1961, 1973) and uses a macroeconomic approach formalized by...

The article summarizes the main points discussed at the seminar on The Nobel Prize Laureates, 2003, held by the Czech Economic Association in March 2004. The seminar featured two main speakers: Josef Arlt (University of Economics, Prague, and Charles University, Prague), who lectured on the work...

Cílem práce je odhadnout a vyšetøit dlouhodobý vztah mezi penìžní zásobou M1, cenovou hladinou, výstupem a alternativními náklady držby penìz a to, zda lze tento vztah - v pøípadì, že existuje - interpretovat ve smyslu dlouhodobé poptávky po penìzích. Práce využívá pøi...