3347 
2236进口贸易是一国引进技术与资本、繁荣国内市场的关键环节，考察“一带一路”倡议是否有助于降低沿线国家进口价格具有重要意义。文章通过拓展Antràs等（2017）的进口贸易模型，并利用双重差分方法，结合2009—2018年国家产品层面贸易数据，考察了“一带一路”倡议降低沿线国家进口价格的因果效应和作用机制。研究结果表明：（1）通过加入“一带一路”倡议，沿线国家的进口价格得到了显著的下降，这一结论在经过一系列稳健性检验后保持不变。（2）通过扩展进口来源国的竞争效应和提高进口方采购量的需求效应，“一带一路”倡议对降低沿线国家进口价格产生了积极作用。（3）“一带一路”倡议推动进口价格下降的主要动力来自集约边际，价格降幅在资本技术密集型和垄断程度较强的行业中更为明显，且对发展中国家的影响也更为显著。上述结论充分表明了“一带一路”倡议对于完善全球经济治理体系具有重要政策含义。
“一带一路”倡议的进口价格效应
摘要
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引用本文
李宁静, 闫强明, 刘冲. “一带一路”倡议的进口价格效应[J]. 财经研究, 2023, 49(7): 93-107.
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