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Assessing the technological innovation efficiency of China’s high-tech industries with a two-stage network DEA approach 期刊论文
Socio-Economic Planning Sciences, 2020, 卷号: 13, 期号: 2020, 页码: 100810
作者:  Ya Wang;  Jiao-feng Pan;  Rui-min Pei;  Bo-Wen Yi;  Guo-liang Yang
收藏  |  浏览/下载:180/0  |  提交时间:2021/01/18
Market reforms and determinants of import natural gas prices in China 期刊论文
Energy, 2020, 期号: 196, 页码: 117105
作者:  Tiantian Wang;  Dayong Zhang;  Qiang Ji;  Xunpeng Shi
Adobe PDF(728Kb)  |  收藏  |  浏览/下载:204/0  |  提交时间:2021/01/17
Copula-based local dependence between energy, agriculture and metal commodity markets 期刊论文
Energy, 2020, 期号: 202, 页码: 117762
作者:  Claudiu T. Albulescu;  Aviral K. Tiwari;  Qiang Ji
Adobe PDF(5659Kb)  |  收藏  |  浏览/下载:145/0  |  提交时间:2021/01/17