EN
A yield curve which could be understood as a plot of zero-coupon rates for different terms plays an important role in monetary policy. For several years central banks have been extracting market expectations from yield curves to judge how its own monetary policy influences the market. In countries with well developed debt market central banks usually use cubic spline models or parsimonious models: Nelson-Siegel and Svensson one. The aim of the paper is to describe the increasing role of yield curve building in monetary policy and to show this process on Polish market.(