This study investigates the effect of grandparental childcare on the second birth in China when considering the mediating role of maternal labor participation, drawing on the China Migrants Dynamic Survey in 2016. By controlling sample selection bias and endogeneity with an endogenous switching...

This paper studies how recent investigations of foreign influence in research have affected the productivity of U.S. scientists in the field of life sciences. Using data from PubMed and Dimensions during 2010-2020, we compare scientists who collaborated with scientists in China during 2010-2014...