Entry into an industry often clusters in regions where the industry is already concentrated, which is suggestive of agglomeration economies. Regional public research activities may exert another attracting force on entrants into science-based industries. Empirically these proximity effects are...

In pursuing profit opportunities, entrepreneurs often use multi-person firms. Since employment contracts leave some discretion to the employees, organizational coherence requires that they are coordinated on the entrepreneurial business conception as their own frame of action. Accordingly, the...