RT Journal T1 Off-Shoring and Labor Productivity: Evidence from China A1 Hongbo Cai, Xiangjun Zhang 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 271 DO 10.1007/s11459-011-0132-6 K1 off-shoring;material off-shoring;service off-shoring;labor;productivity;industrial sector LK {https://academic.hep.com.cn/fec/EN/article/article_1538.shtml}