城市环境立法能够提升企业出口国内附加值率吗?——基于双重差分模型(DID)的实证研究
张兵兵, 胡榴榴
Can urban environmental legislation improve the enterprises export domestic value added ratio? Empirical research based on difference-in-differences (DID) model
ZHANG Bingbing, HU Liuliu
地理研究
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2021, (10): 2930
-2948
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DOI: 10.11821/dlyj020210055