The paper describes process of electricity market liberalization, and concentrates on one phase - unbundling. First part sums up findings on electricity market liberalization, and explains unbundling principles, initial situation and expected outcome. In the second part unbundling costs are...

The power-generation industry offers numerous opportunities to apply real options. This paper uses current empirical market data to estimate the value of flexibility in the Czech energy sector, which can serve to compare available technologies, and support various investment decisions. The model...

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...

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...

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...

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...

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...

This paper begins with a description of simple select models of inflation and their ability to fit the data. The paper in turn measures the stability of particular parsimonious models. One-step forecast tests are applied, which establish the instability of the money demand model compared with...