Using detailed data on skill requirements in online vacancies, we estimate the demand for AI specialists across occupations, sectors, and firms. We document a dramatic increase in the demand for AI skills over 2010-2019 in the U.S. economy across most industries and occupations. The demand is...

Using data on the near-universe of online US job vacancies collected by Burning Glass Technologies in 2016, we calculate labor market concentration using the Herfindahl-Hirschman index (HHI) for each commuting zone by 6-digit SOC occupation. The average market has an HHI of 4,378, or the...