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通过建立随机前沿模型,分析中国对“一带一路”国家的对外直接投资情况,从指标系数和各个国家的效率两个方面做出分析。结果表明:中国对“一带一路”国家的整体投资效率水平和平均值都比较可观,潜力得到较好实现。但仍缺少高投资效率国家,效率超过0.8的只有8个国家,说明“一带一路”国家仍然具有巨大的投资潜力。
By setting up a stochastic frontier model, we analyze China’s foreign direct investment in the “Belt and Road” countries and make analysis from two aspects: the index coefficient and the efficiency of each country. The results show that: the overall level of investment efficiency and the average value of the “Belt and Road” countries in China are both substantial and their potential is well achieved. However, there are still a few countries with high investment efficiency and only eight countries with an efficiency over 0.8, indicating that the “Belt and Road” countries still have huge investment potential.