“双循环”新格局与京津冀高质量协同发展——基于价值链分工和要素流动视角
"Dual circulation" and Beijing-Tianjin-Hebei high-quality coordinated development: From the division in the value chain and factor mobility perspective
“双循环”新格局与京津冀高质量协同发展——基于价值链分工和要素流动视角 |
| 贺灿飞, 任卓然, 王文宇 |
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"Dual circulation" and Beijing-Tianjin-Hebei high-quality coordinated development: From the division in the value chain and factor mobility perspective |
| HE Canfei, REN Zhuoran, WANG Wenyu |
| 图14 2004—2018年北京向天津和河北转移专利数量 |
| Fig. 14 Number of patents transferred from Beijing to Tianjin and Hebei in 2004-2018 |
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