The efficiency of macroeconomic policies depends on adequate business cycle approximation. Given that potential output and the output gap (the difference between actual and potential output) are not directly observable, their values need to be estimated using alternative statistical, structural,...

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...