基于准自然实验的中美贸易政策不确定性与企业技术创新
蔡冬冬,孙宇桐,杨灵,冯荣凯
Sino-US trade policy uncertainty and enterprise technological innovation based on quasi-natural experiment
CAI Dong-dong,SUN Yu-tong,YANG Ling,FENG Rong-kai
沈阳工业大学学报(社科版)
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2021, (5): 423
-429
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DOI: 10.7688/j.issn.1674-0823.2021.05.06
