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On the road with Operation Warp Speed, the U.S. COVID-19 vaccine effort 新闻
来源平台：Science. 发布日期：2020
作者:  admin
收藏  |  浏览/下载：8/0  |  提交时间：2020/10/12
Environmental regulations, environmental governance efficiency and the green transformation of China's iron and steel enterprises 期刊论文
ECOLOGICAL ECONOMICS, 2019, 165
作者:  Li, Hai-ling;  Zhu, Xue-hong;  Chen, Jin-yu;  Jiang, Fei-tao
收藏  |  浏览/下载：6/0  |  提交时间：2019/11/27
Global DEA  Malmquist-Luenberger index  Environmental regulation  Environmental governance efficiency  Iron and steel enterprise  
Different Types of Environmental Regulations and Heterogeneous Influence on "Green" Productivity: Evidence from China 期刊论文
ECOLOGICAL ECONOMICS, 2017, 132
作者:  Xie, Rong-hui;  Yuan, Yi-jun;  Huang, Jing-jing
收藏  |  浏览/下载：2/0  |  提交时间：2019/04/09
China  "Green" productivity  Environmental regulation  The "strong'  Porter Hypothesis  Panel threshold model