The subject 'Trend and Cycle' is assessed from various angles: The empirical evidence is discussed here, new theoretical approaches are reviewed, consequences for economic policies are considered. (Published in German.)

The authors in this work evaluate the challenges for economic policy faced at the turn of the century from various angles. They discuss new empirical evidence on this subject, review new theoretical approaches and consider the consequences for economic policies. (Published in German.)

The subject 'Economic Analysis of Treaties' is assessed from various angles: The empirical evidence is discussed here, new theoretical approaches are reviewed, consequences for economic policies are considered. (Published in German.)