Global e-commerce platforms provide a promising avenue that connects sellers and buyers from different parts of the world. Exporting used to be an activity that was exclusive to large firms; today, e-commerce provides an opportunity for all types of firms, especially small firms, to export—the...

This paper provides a theory of quot;family network,quot; in contrast to quot;local externalities,quot; to explain the geographic concentration of industry. For many industries, one most important source of entrants is spinoffs, who typically locate near parent firms and benefit from knowledge...