@article{LI Ruo-xi:32,
author = {[LI Ruo-xi, ZHAO Hong-zhong, ZHOU Ting]},
title = {Independent R&D Innovation, Enterprise′s Technological Capability and TFP #br#
——Research Based on Threshold Effect},
publisher = {Journal of Beijing University of Posts and Telecommunications(Social Sciences Edition)},
year = {2018},
journal = {Journal of Beijing University of Posts and Telecommunications(Social Sciences Edition)},
volume = {20},
number = {5},
eid = {32},
pages = {32-40},
keywords = {independent R&D innovation; total factor productivity(TFP); technical capability; threshold model},
doi = https://journalsk.bupt.edu.cn/EN/10.19722/j.cnki.1008-7729.2018.0118
}