金属资源产业对外直接投资对中国与东道国全球价值链地位的影响
李璇, 倪旭, 张海亮

Impacts of metal resource industry outward foreign direct investments on positions of China and the host countries in the global value chain
LI Xuan, NI Xu, ZHANG Hailiang
图2 2009—2018年中国金属矿产资源出口技术复杂度变化趋势
Figure 2 Trend of technological complexity of China’s metal mineral resources export, 2009-2018