3 IZA Discussion Papers
IZA Discussion Paper No. 11647
published in: Journal of Human Capital, 2018, 12 (2), 233–281
IZA Discussion Paper No. 6713
published in: European Economic Review, 2014, 66, 205-225
IZA Discussion Paper No. 4805
published in: Maria Minniti (ed.) 2011, The Dynamics of Entrepreneurship: Evidence from Global Entrepreneurship Monitor Data, Oxford, pp.181-208