PDF(3537 KB)
PDF(3537 KB)
PDF(3537 KB)
进口贸易研发知识二次溢出的空间测度——基于Coe-Helpman-Durbin模型的检验
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Quantifying the Second Spatial Spillover Effects of Imported International R&D Knowledge:An Empirical Study Based on Coe-Helpman-Durbin Model
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