When building a dynamic model we express an impact of past on future state variables. We usually know if the change should be positive or negative and have an idea about a magnitude of the change. But if we express the change with either a difference or a derivative often depends on such...

Jaké motivy vedou vlády k poskytování pobídek zahraničním investorům? Které aspekty nejvíce ovlivňují nabízený objem úlev? Nakolik je mezinárodní „pobídková soutěž“ intenzivní? Jako nástroj zkoumání těchto otázek představíme dva mikroekonomické modely nabídky...

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...

In this paper we construct a supply function of university education, i.e. the dependence of the supply (the number of places for students) on its price, i.e. on the revenue of university (either from scholarship or from state support) per student. We derive our results from an optimization...

Our study contains application of Latent Semantic Indexing on financial crises prediction. Hypothesis to test was that equity markets are able to predict even sharp changes in monetary policy during a quarter ahead of such a change (which was searched during two quarters that followed). This...

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...

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 article presents and investigates new possibilities of multivariate data visualization and their analytical convenience. We demonstrate elementary principles, algorithms and graphical outputs of modern visualization methods with particular focus on Bertin matrices, RADVIZ, Projection pursuit...

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...