TY - Front. Econ. China A1 - Zhiqi Chen T1 - Product Market Competition and Innovation: What Can We Learn from Economic Theory? Y1 - 2017-09-15 JF - Frontiers of Economics in China JO - Front. Econ. China SP - 450 EP - 464 VL - 12 IS - 3 UR - https://academic.hep.com.cn/fec N1 - 10.3868/s060-006-017-0019-2 ER -