摘要
1.Ma,C.,&Zhang,X.(2021).Research on the influence effect of Free Trade Area and enterprise TFP-Based on generalized composite control method and multi period doubledifference model.Soft Science,(12),42-49(马超平,张晓燕(2021).自由贸易区与企业TFP的影响效应研究--基于广义合成控制法和多期双重差分模型.软科学,(12),42-49)Abstract Based on the panel data of China's A-share listed companies from 2013 to 2019,this paper studies the impact of the establishment of 12 free trade zones on the growth of total factor productivity(TFP)by using the generalized composite control method and the multi period difference in differences(DID).Results show that the establishment of free trade zone not only promotes the growth of total factor productivity(TFP),but also promotes TFP through enterprise innovation and resource allocation,that is.
