52 IZA Discussion Papers
IZA Discussion Paper No. 4778
IZA Discussion Paper No. 4396
substantially revised and rewritten version available as IZA DP No. 5481
IZA Discussion Paper No. 3360
published in: International Journal of Manpower, 2009, 30(7), 625-647
IZA Discussion Paper No. 3220
revised version published in: Small Business Economics, 2010, 35(1), 71-92
IZA Discussion Paper No. 3114
published in: Perspektiven der Wirtschaftspolitik, 2009, 10(2), 189-213
IZA Discussion Paper No. 2874
published in: Comparative Labor Law and Policy Journal, 2007, 28 (4), 637-674
IZA Discussion Paper No. 2660
revised version published in: Oxford Bulletin of Economics and Statistics, 2008, 70(3), 347-373
IZA Discussion Paper No. 2561
IZA Discussion Paper No. 2382
published in: Journal of Business Venturing, 2011, 27 (1), 31-46
IZA Discussion Paper No. 2036
IZA Discussion Paper No. 923
published in: Scandinavian Journal of Economics, 2006, 108 (2); 317-337.
IZA Discussion Paper No. 345
published in: Schätzl L./J.R. Diez (eds.), Technological Change and Regional Development in Europe, Heidelberg (2001), 90-111