2010-05-19 – Working Paper 04/2010 by Beatrice Weder di Mauro, Hasan Doluca, Ulrich Klüh and Marco Wagner (Download)
2009-12-16 – Working Paper 05/2009 by Jens-Hinrich Binder (Download)
2009-07-20 – Working Paper 01/2009 by Benjamin Balsmeier, Achim Buchwald and Heiko Peters (Download)