经济政策不确定性对进口产品的异质性影响——基于中文报纸大数据文本的实证分析
李兵, 林安琪, 郭冬梅
Product heterogeneous effects of economic policy uncertainty on imports: Big data context analysis based on Chinese newspapers
LI Bing, LIN Anqi, GUO Dongmei
系统工程理论与实践
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2020, (6): 1578
-1595
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DOI: 10.12011/1000-6788-2020-0439-18
