RT Journal T1 The Impact of Job Mobility on Earnings Growth of Migrant Workers in Urban China A1 Qian Huang PB Front. Econ. China FD 2011-06-05 YR 2011 JF Frontiers of Economics in China JO Front. Econ. China VO 6 IS 2 SP 171 DO 10.1007/s11459-011-0127-3 K1 migrant workers;job mobility;earnings growth LK {https://journal.hep.com.cn/fec/EN/article/article_1533.shtml}