The purpose of this thesis is twofold: First, it aims at detecting empirical regularities of the business cycle in Denmark, Germany and the U.S. Second, it tries to give a theoretical explanation for these stylized facts. The thesis is fully in line with the modern analysis of business cycles in...

The purpose of the present study is to explore the specific contributions of variousnominal and real rigidities in monetary DGE models in a systematic way and ina common framework. I will concentrate on a quite simple model setup in orderto find out the important transmission mechanisms at work....