6 IZA Discussion Papers
IZA Discussion Paper No. 13921
IZA Discussion Paper No. 5229
published in: International Review of Economics and Finance, 2010, 19, 662-670
IZA Discussion Paper No. 2950
published as 'Informal firms in developing countries: entrepreneurial stepping stone or consolation prize?' in Small Business Economics, 2010, 34 (1), 53-63
IZA Discussion Paper No. 2349
revised version published as 'Informal employment in developing countries: Opportunity or last resort?' in: Journal of Development Economics, 2012, 97 (1), 88-98
IZA Discussion Paper No. 2156
IZA Discussion Paper No. 2150
published in Review of Development Economics, 2013, 17, 685-698