“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15 2001—2018年京津冀城市间专利转移强度弦图 |
| Fig. 15 Chord diagram of patent transfer inside Beijing-Tianjin-Hebei urban agglomeration in 2001-2018 |
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