Monetary policy analysis concerns both the assumptions of the transmission mechanism and the direction of causality between the nominal (i.e. the money) and real economy. The traditional channel of monetary policy implementation works via the interest rate changes and their impact on the...

The aim of this article is to highlight a number of problems due to a rather „mechanical“ application of the Hodrick-Prescott Filter and its possible implication for the monetary policy decision-making process. The author concludes that HP filter is not able to estimate the potential output,...