Gottschalk, Sandra und Michaela Niefert (2011), Gender Differences in Business Success of German Start-up Firms, ZEW Discussion Paper No. 11-019, Mannheim. Download

Gottschalk, Sandra, Kathrin Müller und Michaela Niefert (2009), Founder's Human Capital, Entry Strategies and Start-Up Size, ZEW Discussion Paper No. 09-030, Mannheim. Download

Fryges, Helmut, Sandra Gottschalk und Kohn Karsten (2009), The KfW/ZEW Start-up Panel: Design and Research Potential, ZEW Discussion Paper No. 09-053, Mannheim. Download