2 IZA Discussion Papers
IZA Discussion Paper No. 2547
published in: in: Heise, Michael, Tilly, Richard, Welfens, Paul J.J. (eds.), Integration, Financial Markets and Innovations – 50 Years of EU Dynamics, 2007, 75-108.
IZA Discussion Paper No. 1798
published in: International Finance, 2006, 9 (3), 317-342