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 presents regression analyses of import and export functions in the Czech Republic from 1993 to 1998. The first part of the article summarizes the standard Keynesian income approach to the balance of payments. This traditional theory is considered alongside the theory of the monetary...

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...

Èlánek struènì shrnuje dosavadní pøístupy k odhadu parametrù a poèáteèních podmínek pro modely ve stavovém tvaru. Ukazuje možnosti využití jednotlivých metod, stejnì jako jejich výhody a nevýhody. Podrobnìji je zde zmiòována metoda maximální vìrohodnosti pro modely ve...

We analyze the extent of the integrated state control over the privatized companies in the Czech Republic during the decade of 1995-2005. During this period, the integrated potential of the state to control companies had a pyramid-like form. Even though the pyramid control was not fully...

This paper considers various options replication methods. Firstly, a specific type of barrier option, an up-and-out call, is considered. Other barrier options are briefly also described, and various types of barriers are considered. Secondly, a general definition of replication methods is...

Three approaches toward the determination of fixed swap rates are presented in this article: a swap as a portfolio of bonds with a fixed and floating coupon, a swap as a portfolio of forwards, and a swap as the difference between the cap and the floor (zero-collar). Later in the paper, credit...

Hedging strategies represent basic instrument used toward eliminating financial risk. Increasing volatility of financial markets and their globalization also lead to higher financial risks. These aspects are especially important for transitional and small open economies. The basic goal of the...

The Czech tax system is undergoing radical transformation. Among the many forthcoming changes, several features can be identified, which alter the structure of tax asymmetries. This paper uses an option-based model of direct taxation to examine a controversial new thin-capitalization rule,...