Urbanisation in China has long been held back by various restrictions on land and internal migration but has taken off since the 1990s, as these impediments started to be gradually relaxed. People have moved in large numbers to richer cities, where productivity is higher and has increased...

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....