2012-11-07 – Working Paper 04/2012 by Bernd Fitzenberger (Download)
2011-11-09 – Working Paper 04/2011 by Heiko Peters and Benjamin Weigert (Download)
2011-05-18 – Working Paper 02/2011 by Hans Fehr (Download)
2010-01-22 – Working Paper 01/2010 by Christian Lumpe and Benjamin Weigert (Download)