In this paper, I analyse how the survival of new firms is affected by the average ability level in the founding team, the team size, team members' homogeneity with respect to ability, and team members' heterogeneity with respect to education. As a theoretical basis, I apply the O-ring theory...

Empirical evidence supports the conventional wisdom that entrepreneurs are more optimistic and overconfident than others. However, the same holds true for top managers. In this lab-in-the-field experiment we directly compare the scores of entrepreneurs, managers and employees on a comprehensive...