
知识产权保护的区域技术创新效应与技术获取渠道异质性研究
The Technological Innovation Effect of Intellectual Property Rights Protection and the Heterogeneity of Technology Access
自主研发;知识产权保护;区域技术进步;技术知识存量
Independent Research and Development;Intellectual Property Right Protection;Regional Technological Progress;Stock of Technology Knowledge
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