行业R&D投入与产出绩效的非线性关系研究 ——基于创新产业分类的视角
李冬琴廖中举程华
行业R&D投入与产出绩效的非线性关系研究 ——基于创新产业分类的视角
The Nonlinear Relationship betwe en Sectoral R&D Investment and Performance ——An Empirical Study Based on the Pavitt Taxonomy
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