@article{YAN Yong-sheng:63, author = {YAN Yong-sheng, LI Ling-fei, SHAO Chuan-lin}, title = {Intellectual Property Strategy and Private Enterprise Innovation—A quasi-natural experiment based on the national intellectual property rights demonstration city pilot}, publisher = {Journal of Guizhou University of Finance and Economics}, year = {2022}, journal = {Journal of Guizhou University of Finance and Economics}, volume = {40}, number = {05}, eid = {63}, numpages = {9}, pages = {63}, keywords = {intellectual property strategy;innovation;private enterprises;quasi natural experiment;heterogeneity}, url = {https://gcxb.gufe.edu.cn/EN/abstract/article_9362.shtml}, doi = {} }