Die aktuelle energiepolitische Debatte hat die längerfristigen Perspektiven einer nachhaltigen Energieversorgung allzu sehr aus dem Blick verloren. Vor allem die Potentiale der Kernfusion werden in der öffentlichen Diskussion kaum wahrgenommen. Dabei würden sich viele Probleme, die mit dem...

This paper introduces productivity-dependent firing costs into an otherwise standard endogenous separations matching model. We suggest an alternative to the standard fix cost approach and account for empirical evidence emphasizing that firing costs vary across workers. We show that the model...

Endogenous separation matching models have the shortcoming that they are barely able to replicate the Beveridge curve (i.e. the negative correlation between unemployment and vacancies) and business cycle statistics jointly. This paper builds upon the sectoral shock literature and combines its...

In this paper, we analyze the consequences of delays and cost overruns typically associated with the provision of public infrastructure in the context of a growing economy. Our results indicate that uncertainty about the arrival of public capital can more than offset its positive spillovers for...