5 IZA Discussion Papers
IZA Discussion Paper No. 8163
IZA Discussion Paper No. 6169
published in: Boğaziçi Journal Review of Social, Economic and Administrative Studies, 2012, 26 (2), 27-89.
IZA Discussion Paper No. 4459
IZA Discussion Paper No. 3482
published in: Wirtschaft und Gesellschaft, 2009, 35(1), 13-43
IZA Discussion Paper No. 3198
published in: History & Mathematics: Processes and Models of Global Dynamics, Volgograd, Russia, 2010, 92 – 137