The close connection between US and China in scientific research and education in the 2000s produced a large group of China-born researchers who work in the US ("diaspora") and a larger group of China-born researchers who gained US-research experience and returned to do their research in China...

This paper studies the role of strong versus weak ties in the rural-to-urban migration decision in China. We first develop a network model that puts forward the different roles of weak and strong ties in helping workers to migrate to the city. We then use a unique longitudinal data that allows...

This study examines the causal effects ofwelfare benefits on internal migration decisions. Using a quasi-experimentalmigration reform across 283 Chinese cities from 2002 to 2015, combined with a difference-in-differences setup, Ishowthat improvedwelfarebenefitssubstantially increasemigration....

This study examines the health impacts of a large-scale internal migration reform in China. Using nationally representative data from the China Labor-Force Dynamics Survey (2012-2018) and a unique dataset on city-level policy intensity and adoption timing, we employ a triple-difference approach...