RT Journal T1 The Underdevelopment of Service Industry in China: An Empirical Study of Cities in Yangtze River Delta A1 Jianghuai Zheng, zhengjh@nju.edu.cn, Yu Wang PB Front. Econ. China FD 2011-09-05 YR 2011 JF Frontiers of Economics in China JO Front. Econ. China VO 6 IS 3 SP 413 DO 10.1007/s11459-011-0140-6 K1 service sector;manufacturing sector;cost disease;labor productivity;economic development LK {https://academic.hep.com.cn/fec/EN/article/article_1545.shtml}