The U.S. population has become increasingly concentrated in large metropolitan areas. However, there are striking differences in between the performances of big cities: some of them have been very successful and have been able to pull away from the rest, while others have stagnated or even...

Job mobility is essential for a well-functioning market economy and for individual workers to boost their wages. This paper provides a re-assessment of job mobility in the United States during 2000-2018, based on a novel administrative data source covering almost all workers and job flows....