“…Empirical evidence shows that the gender of the founder is in no way connected to the entrepreneurial success of the spin-off; indeed, women play a very small role in research-based company foundation. Women comprise only 6-15% of the spin-off founders and (2004), Egeln et al (2002Egeln et al ( , 2003, Lendner (2003), Steinkühler (1994), Roberts (1991), Hunsdiek (1987), Kulicke (1987) Employment growth Schmelter (2004), Egeln et al (2002Egeln et al ( , 2003, Steinkühler (1994), Kulicke (1987) Productivity or profitability Egeln et al (2002Egeln et al ( , 2003, Steinkühler (1994), Roberts (1991) Credit rating, overall credit line, credit line per employee Egeln et al (2002Egeln et al ( , 2003 IPO or venture capital funding Shane and Stuart (2002) Cost efficiency in comparison to competitors Steinkühler (1994) Time in market Roberts (1991) Sales and sales prospects Roberts (1991) (2002), Kassicieh et al (1997), Klandt (1980, 1981) Entrepreneurial potential and entrepreneurial ability of researchers ADT (1998), Beibst and Lautenschläger (2002), Kriegesmann (2000) Incubators' attitude towards entrepreneurship (commitment of the head of the institute and the former co-workers) Bird et al (1993), Knecht (1998) Quantity of spin-offs ADT (1998), Berndts and Harmsen (1985), Knecht (1998), Kriegesmann (2000), Smilor and Matthews (2004) Phases, definition and characteristics of the spin-off process or characteristics of the spin-offs …”