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
图1 城市环境立法影响企业出口DVAR的传导渠道
Fig. 1 Urban environmental legislation affects the transmission channel of enterprise DVAR