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