7 IZA Discussion Papers
IZA Discussion Paper No. 5205
published in: Economic Modelling, 2010, 27 (6), Special Issue: P.A.V.B Swamy, 1355-1367
IZA Discussion Paper No. 2761
published in: Empirical Economics, 2013, 44(1), 135-161
IZA Discussion Paper No. 2650
published in: Annales d'Economie et de Statistique, 2008, 92/92, 427 - 451
IZA Discussion Paper No. 1236
published in: L. Mátyás and P. Sevestre (eds.), The Econometrics of Panel Data, Springer 2008 (3rd ed.)
IZA Discussion Paper No. 700
IZA Discussion Paper No. 603
published in: International Journal of Manpower, 2004, 25 (8), 688-713