@article{赵志伟:39, author = {赵志伟, 丁桦}, title = {“留抵退税”政策与企业创新——基于双重差分模型的检验}, publisher = {巢湖学院学报}, year = {2022}, journal = {巢湖学院学报}, volume = {24}, number = {6}, eid = {39}, numpages = {11}, pages = {39}, keywords = {留抵退税;增值税;税收负担;企业创新;双重差分模型}, url = {http://xb.chu.edu.cn/CN/abstract/article_661.shtml}, doi = {10.12152/j.issn.1672-2868.2022.06.005} }