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浏览/检索结果: 共4条，第1-4条 帮助 已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择发表日期升序发表日期降序作者升序作者降序提交时间升序提交时间降序题名升序题名降序 A Hierarchical Forecasting Model for China's Foreign Trade 期刊论文 JOURNAL OF SYSTEMS SCIENCE & COMPLEXITY, 2020, 页码: 17 作者:  Sun, Yuying;  Zhang, Xun;  Wang, Shouyang 收藏  |  浏览/下载：126/0  |  提交时间：2020/06/30 Decomposed and combined models  exports and imports  forecasts  hierarchy  trade structure   “营改增”的进出口效应分解：理论研究与基于新政策评估方法的实证 学位论文 2015, 2015 郑东 收藏  |  浏览/下载：4/0  |  提交时间：2016/02/23 “营改增”  进出口  政策评估  Replacing Business Tax with VAT  Imports and Exports  Policy Effect Evaluation   Research on soybean security of China based on system dynamics (EI CONFERENCE) 会议论文 31st Chinese Control Conference, CCC 2012, July 25, 2012 - July 27, 2012, Hefei, China Zhu T.; Duan J.-X.; Gao M.-H.; Zhang C.-Q. 收藏  |  浏览/下载：16/0  |  提交时间：2013/03/25 Based on considerations of soybean production  imports and exports trade  processing and consumption  we study the soybean industry of China with the method of system dynamics. Firstly  we build the SD model of soybean industry. Secondly  we optimize soybean security policy simulation dynamic model and simulate the model based on our country specific situation. At last  on the basis of the simulation results  we analyze current domestic soybean industry security situation and provide a method to make suggestions for soybean security policy. 2012 Chinese Assoc of Automati.   Development trend forecasting for value-added and employment under the influence of sub-prime crisis 期刊论文 Zhongguo Renkou Ziyuan Yu Huan Jing/ China Population Resources and Environment, 2009, 卷号: 19, 期号: 2, 页码: 1-6 作者:  Guo, Ju-E;  Meng, Lei;  Guo, Guang-Tao 收藏  |  浏览/下载：1/0  |  提交时间：2019/12/18 Employment  Imports and exports  Input-output methods  Sub-prime crisis