"One basic problem in business-cycle studies is how to deal with nonstationary time series. The market economy is an evolutionary system. Economic time series therefore contain stochastic components that are necessarily time dependent. Traditional methods of business cycle analysis, such as the...

Die Perspektiven für die deutsche Konjunktur haben sich eingetrübt. Für den Prognosezeitraum ist nur eine schwache konjunkturelle Entwicklung zu erwarten. Geringere Exporte in den Euroraum und eine abgeschwächte Dynamik der Weltkonjunktur und damit einhergehend eine geringe Expansion der...

The German economy entered the year 2011 buoyantly. The upswing is expected to continue throughout 2011 with GDP increasing at an average rate of 2.7%. Both internal and external demand will drive the economy. In the course of the forecast horizon, however, economic activity will become less...