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投入产出模型中重要系数的确定方法研究 被引量:9
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作者 许健 《统计研究》 CSSCI 北大核心 2003年第9期53-56,共4页
This paper discusses how to search important coefficients(ICs)in Input-Output Model.Based on the critical review of present ideas and approaches,a new approach identifying average inverse ICs is brought forward and ap... This paper discusses how to search important coefficients(ICs)in Input-Output Model.Based on the critical review of present ideas and approaches,a new approach identifying average inverse ICs is brought forward and applied to actual Input-Output table. 展开更多
关键词 投入产出模型 重要系数 误差传递理论 信息量方 影响域法 容忍限 累积规模
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Study Progress and Trends of Strategic Environmental Assessment in China
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作者 Cai Chunmiao1,2, 3, Shang Jincheng4 1. Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun Jilin 130012, China 2. Department of Geography, Harbin University, Harbin Heilongjiang 150086, China +1 位作者 3. Graduate School of Chinese Academy of Sciences, Beijing 100039, China 4. College of Urban and Environmental Science, Northeast Normal University, Changchun Jilin 130024, China 《Chinese Journal of Population,Resources and Environment》 2009年第2期76-82,共7页
Strategic environmental assessment (SEA) in China has developed rapidly since it was introduced into China in the 1990s. Chinese government promulgated the Environmental Impact Assessment Law of China (hereinafter ref... Strategic environmental assessment (SEA) in China has developed rapidly since it was introduced into China in the 1990s. Chinese government promulgated the Environmental Impact Assessment Law of China (hereinafter referred to as the EIA Law) in 2002. In this law, it is stipulated clearly that regional and sector plans should be assessed. Through investigating materials and analyzing literatures, this article analyses the practical and academic study achievements of SEA in China that have been achieved since the EIA Law was implemented, probes into the current situation of the main level of SEA in China-plan EIA, then summarizes the development characteristics, and eventually, puts forward the development trends of SEA in China. The research conclusions can offer the foundations for comprehending systematically the progress of SEA in China. 展开更多
关键词 strategic environmental assessment plan environmental impact assessment China study progress CHARACTERISTICS development trends
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