Klaus Weyerstrass is Senior Researcher at the Institute for Advanced Studies (IHS), Vienna, Austria, in the research group “Macroeconomics and Business Cycles”. He obtained his Master’s degree in economics from the University of Osnabrück (Ger-many), and his PhD as well as the venia docendi (“Habilitation”) from the University of Klagenfurt (Austria). His main research interests are business cycle analysis and forecasting, productivity analyses, fiscal policy, European economic integration, and macroeconometric modelling. Klaus Weyerstrass is also teaching at the Vienna Uni-versity of Economics and Business and at the Central European University in Vienna.