基于HHI指数和E指数的我国区块链技术专利集中度测算研究
胡海容 石冰琪 周孟蓉
Research on Patent Concentration Measurement of China’s Blockchain Technology Based on HHI Index and E Index
HU Hairong SHI Bingqi ZHOU Mengrong
世界科技研究与发展
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2021, (5): 523
-534
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DOI: 10.16507/j.issn.1006-6055.2021.07.001
