Why do some people become entrepreneurs (and others don't)? Why are firms so heterogeneous, and many firms so small? To start, the paper briefly documents evidence from the empirical literature that the relationship between entrepreneurship and education is U-shaped, that many entrepreneurs...

Das Papier untersucht die 'Jack-of-all-Trades'-Hypothese. Diese unterstellt, dass nicht die Höhe der Produktivität eines Individuums ausschlaggebend ist für eine selbständige Aktivität, sondern deren Bandbreite an Fähigkeiten oder Erfahrung (Lazear 2005). Die Analyse konzentriert sich auf...

In contrast to the very large literature on skill-biased technical change among workers, there is hardly any work on the importance of skills for the entrepreneurs who employ those workers, and in particular on their evolution over time. This paper proposes a simple theory of skill-biased change...