Books Keynesianische Makro?konomie (2012), 3rd editionBerlin: Springer (with P. Flaschel, G. Groh, & H.-M. Krolzig).Asset Markets, Portfolio Choice & Macroeconomic Activity (2011), Basingstoke: Macmillan (with T. Asada, P. Flaschel, & T. MouakiTopics in Applied Macrodynamic Theory (2008), Berlin: Springer (with P. Flaschel, G. Groh & W. Semmler).