I add a moral hazard problem between banks and depositors as in Gertler and Karadi (2009) to a DSGE model with a costly state verification problem between entrepreneurs and banks as in Bernanke et al. (1999) (BGG). This modification amplifies the response of the external finance premium and the...

By combining the approaches of Gertler and Karadi (2011) and Bernanke et al. (1999), I develop a DSGE model with leverage constraints both in the banking and in the non-financial firm sector. I calibrate this "full model" to US data. In a world with only a monetary policy and a productivity...

Mit der hartnäckigen Tendenz zur Deflation verliert die Geldpolitik, die den Euroraum bislang entscheidend stabilisiert hat, an Wirksamkeit. Sie bedarf dringend der Flankierung durch die Finanzpolitik, die mittels höherer Investitionen die Wirtschaft im Euroraum stimuliert und so die...