The role of industry-specific, occupation-specific, and location-specific knowledge in the growth and survival of new firms. Edward Glaeser, June 23, 2018, Paper, “How do regions acquire the knowledge they need to diversify their economic activities? How does the migration of workers among firms and industries contribute to the diffusion of that knowledge? Here we measure the industry-, occupation-, and location-specific knowledge carried by workers from one establishment to the next, using a dataset summarizing the individual work history for an entire country. We study pioneer firms—firms operating in an industry that was not present in a region— because the success of pioneers is the basic unit of regional economic diversification.Link