This dissertation comprises three distinct economic stduies. The first deals with the origin of business cycle fluctuations and the other two with the measurement of financial constraints and the identification of the respective treatment effect.

This paper addresses the credit channel in Germany by using aggregate data. We present a stylized model of the banking firm in which banks decide on their loan supply in light of uncertainty about the future course of monetary policy. Applying a vector error correction model (VECM), we estimate...

This paper addresses the credit channel in Germany by using aggregate data. We present a stylized model of the banking firm in which banks decide on their loan supply in light of uncertainty about the future course of monetary policy. Applying a vector error correction model (VECM), we estimate...