RT Journal T1 Demand-oriented innovation of firms in China: An empirical study A1 XU Changsheng , WANG Jingjing , WANG Hai PB Front. Econ. China FD 2008-12-05 YR 2008 JF Frontiers of Economics in China JO Front. Econ. China VO 3 IS 4 SP 548 DO 10.1007/s11459-008-0027-3 K1 competition;market size;demand-oriented innovation LK {https://academic.hep.com.cn/fec/EN/article/article_56.shtml}