This paper presents cointegration analyses of the import and export functions of the Czech Republic in 1993-1998 by identifying the main variable factors and estimating the long-run equilibrium relationship of Czech foreign trade functions. A long-run equilibrium relationship was found in the...

Functional Signal plus Noise (FSN) time series models are introduced for the econometric analysis of the dynamics of a large cross-section of prices in which contemporaneous observations are functionally related. A semiparametric FSN model is developed in which a smooth, cubic spline signal...

In this paper historical performance of eleven approaches for estimation of one-day 95% value-at-risk is evaluated. Random sample of 1000 foreign exchange portfolios consisting of positions in EUR and USD with CZK as a base currency was considered. Since foreign exchange portfolio consists of...