
时空压缩下研发要素流动是否提升了区域绿色创新效率
Does the Flow of R&D Elements under the Compression of Time and Space Improve the Efficiency of Regional Green Innovation
研发要素流动, 绿色创新效率, 时空压缩, 面板门槛模型
Flow of R&D Elements, Green Innovation Efficiency, Time and Space Compression, Panel Threshold Model
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