The article provides a basic description and taxonomy of sovereign wealth funds, rapidly gaining importance in the international monetary and financial systems. SFWs are pools of assets owned and managed directly or indirectly by governments to achieve specific objectives. Tentative estimates of...

The paper deals with yield curve construction methods using coupon bonds in Czech bond market. Generally, there are more possibilities how to approach this problem: bootstraping, splines, parametric functions. Due to the lack of tradable public bonds and due to the fact that existing bonds do...

Estimation of volatility of financial time series plays a crucial role in pricing derivatives. Volatility is often estimated from historical data; however, it is well known that volatility varies in time. We propose a method to choose a suitable length of historical data to estimate contemporary...

The paper deals with a wide-spread myth that a switch from a PAYG to a funded pension system might solve adverse consequences of the population aging. It is shown, that under additional assumptions the pension debt (which is created during the process of the switch) is exactly equal to the value...