6 IZA Discussion Papers
IZA Discussion Paper No. 4195
IZA Discussion Paper No. 1522
published in: Joachim Merz and Reihard Schulte (Hrsg.), Neue Ansätze der MittelstandsForschung, Berlin etc.: Lit-Verlag 2008
IZA Discussion Paper No. 1394
published in: M. Fritsch and J. Schmude (eds.), Entrepreneurship in the Region, Berlin: Springer 2006
IZA Discussion Paper No. 1293
published in: Simon C. Parker (ed.), The Life Cycle of Entrepreneurial Ventures (International Handbook Series on Entrepreneurship, Vol. 3), New York: Springer 2006, 15-37
IZA Discussion Paper No. 1134
published in: Small Business Economics, 2007, 28 (1), 1-21
IZA Discussion Paper No. 624
published in: Jahrbuch für Regionalwissenschaft / Review of Regional Reseach, 2005, 25 (1), 91-105
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