During its early and formative years, the U.S. tire industry was heavily concentratedaround Akron, Ohio. We test the extent to which entrants in Ohio were attracted to theAkron area by agglomeration benefits, contributing to a self-reinforcing processenvisioned in many modern theories of...

Necessity spin-offs are organized by employees of incumbent firms to escape deterioratingjob conditions. This paper proposes a conceptual model of the spin-off process. Necessityspin-offs are distinguished from opportunity spin-offs on the basis of their triggering events.An empirical analysis...

This paper shows how sustainable consumption patterns can spread within a population viaprocesses of social learning even though a strong individual learning bias may favorenvironmentally harmful products. We present a model depicting how the biased transmission ofdifferent behaviors via...

Based on new data, this paper studies invention disclosure, licensing, and firm formationactivities of Max Planck Institute directors over the time period 1985-2004, and analyzestheir effects on scientists’ publication and citation records. The results are consistent withprior findings that...

Considerable debate surrounds the concept of entrepreneurial opportunities. This papercontributes to the discussion by bringing in concepts and findings from evolutionaryeconomics. It makes three points. First, adopting an evolutionary market process perspectivesheds new light on the nature of...

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

During its early and formative years, the U.S. tire industry was heavily concentrated around Akron, Ohio. We test the extent to which entrants in Ohio were attracted to the Akron area by agglomeration benefits, contributing to a self-reinforcing process envisioned in many modern theories of...