陈清华 高晓惠 勾文沙 李小萌

摘  要：“一带一路”对世界经济及我国民生的发展和改善发挥了积极作用，自“一带一路”实施以来，中国多个相关省、自治区、直辖市围绕自身特点积极布局，发布了一系列地方性“一带一路”相关政策。文章基于关键词词频—逆文件频率（TF-IDF），对中国“一带一路”沿线各省、自治区、直辖市在2014—2020年颁布的“一带一路”相关的政策文本进行量化分析和研究，通过可视化关键词的地理分布和构建的关键词网络发现，社团内部地区间的政策相似性主要并不取决于权重较大的关键词，而是由更多较小权重关键词共同决定的。文章还利用显性比较优势（RCA）进一步量化了各地的政策关键词的显性差异，得出各省、自治区、直辖市在政策关注上具有不同侧重的结论。

关键词：一带一路;地方政策;关键词网络;显性比较优势

中图分类号：D523 文献标识码：A

DOI：10.19881/j.cnki.1006-3676.2021.12.04

A Textual Quantitative Study on China's Local Policies of“the Belt and Road”

Chen Qinghua  Gao Xiaohui  Gou Wensha  Li Xiaomeng

（Beijing Normal University，Beijing，100875）

Abstract：“The Belt and Road”initiative has played a positive role in the development and improvement of the world economy and our people's livelihood，since the implementation of“the Belt and Road”， many relevant provinces，autonomous regions and municipalities in China have actively deployed their own characteristics and issued a series of local“Belt and Road”related policies. Based on the keyword term frequency-inverse document frequency（TF-IDF），the article conducts a quantitative analysis and research on the policy texts related to“the Belt and Road”issued by the provinces，autonomous regions，and municipalities along“the Belt and Road”in China from 2014 to 2020，through visualization The geographical distribution of keywords and the constructed keyword network found that the policy similarity between regions within the community is not mainly determined by keywords with larger weights，but by more keywords with smaller weights. The article also uses revealed comparative advantage（RCA）to further quantify the significant differences in policy keywords in various regions，and draws the conclusion that provinces，autonomous regions，and municipalities have different focus on policy concerns.

Key words：The Belt and Road;Local policies;Keyword network;Revealed comparative advantage

一、引言

2013年9月和10月，中國国家主席习近平在访问中亚和东南亚时分别提出建设“丝绸之路经济带”和“21世纪海上丝绸之路”的伟大构想。在国家发展和改革委员会（简称“发改委”）、外交部、商务部的共同推动下，“一带一路”得到世界各国的积极响应。2013—2018年，中国与“一带一路”沿线国家货物贸易进出口总额超过6万亿美元，进出口总额年均增长4%，占中国货物贸易总额的27.4%。“一带一路”倡议加强了中国与沿线国家的交流，为国内沿线地区经济发展带来了新的契机。在国家顶层设计的指引下，中国“一带一路”沿线18个省、自治区、直辖市抓住时代赋予的新机遇，积极根据自身情况出台了一些相关政策，在基础设施建设、贸易金融和人文交流等方面的对外开放工作中不断发力，进一步夯实“一带一路”的建设成果。……