建立一个企业级的全球供应链数据库
Yuya Katafuchi1,2, Xinmeng Li2,3, Daniel Moran1,4
1Graduate School of Environmental Studies, Tohoku University, Sendai, Japan.
Nature communications
|December 16, 2025
概括
一个新的企业级多区域输入输出 (EMRIO) 表提供了详细的全球供应链洞察力. 这些增强的数据改善了经济和环境分析,超越了传统的部门级模型.
科学领域:
- 经济学 经济学 经济学
- 环境科学 环境科学
- 数据科学数据科学数据科学
背景情况:
- 输入-输出模型对于经济,监管和环境应用至关重要,为诸如Scope 3排放目标等政策提供信息.
- 现有的国家输出输入表缺乏详细供应链分析所需的分辨率.
- 环境负担转移和相互依赖的洞察力受到当前部门级数据的限制.
研究的目的:
- 构建一个新的企业级多区域输入-输出 (EMRIO) 表.
- 提高全球供应链数据的准确性和实用性,用于各种应用.
- 为政策和分析提供更分散的资源.
主要方法:
- 合并官方的国家输入-输出表与企业级生产和交易数据.
- 创建一个全球一致的企业级购买和销售数据库.
- 开发一个EMRIO表,包括9,466家公司,86,305个子部门和121个国家.
主要成果:
- 构建一个具有前所未有的企业级细节的全面EMRIO表.
- 跨越众多公司和国家的供应链交易的全球一致帐户.
- 展示供应链分析的增强分辨率.
结论:
- 在传统的输入-输出模型中,EMRIO表提供了显著的进步.
- 更精细的分辨率数据可以进行更精确的经济和环境影响评估.
- 该资源支持改善供应链透明度和可持续性的政策制定.
相关概念视频
Levels of Use of a GIS
319
Geographic Information Systems (GIS) operate across three levels of application, each representing an increasing degree of complexity: data management, analysis, and prediction. These levels reflect the expanding functionality and versatility of GIS technology in handling spatial data for diverse purposes.Data ManagementAt its foundational level, GIS serves as a tool for data management, enabling the input, storage, retrieval, and organization of spatial data. This level is often employed in...
319
Issues And Trends In Healthcare Delivery System
6.1K
The issues and trends in healthcare delivery are constantly changing. The COVID-19 pandemic is one recent issue that wreaked havoc on healthcare systems, causing a shortage of healthcare workers, high demand for medicines and supplies, and increased medical expenditure due to a lack of insurance. Other issues include rising healthcare costs and care fragmentation.
Cost Containment
Payment for healthcare services has historically promoted adoption of costly and often unnecessary or inefficient...
Cost Containment
Payment for healthcare services has historically promoted adoption of costly and often unnecessary or inefficient...
6.1K
GIS Software, Hardware, and Sources of GIS Data
683
A Geographic Information System (GIS) combines specialized software and hardware to effectively manage, analyze, and present spatial and related data. GIS software includes critical functionalities such as a user interface for easy navigation, database management tools for handling spatial and attribute data, and data retrieval features for efficient access. Analytical tools transform raw data into insights, while display functions produce maps and reports in various formats for effective...
683
Steel Manufacturing
1.3K
Steel manufacturing is a multi-stage process that begins by smelting iron ore into cast iron in a blast furnace. This initial stage involves layering iron ore with coke, a type of fuel, and crushed limestone within the furnace. The coke is ignited with a high volume of air, leading to the creation of carbon monoxide, which acts to reduce the iron ore to pure iron.
During this smelting process, limestone plays a crucial role by forming slag. Slag captures impurities within the molten iron, such...
During this smelting process, limestone plays a crucial role by forming slag. Slag captures impurities within the molten iron, such...
1.3K
Introduction to GIS
479
Geographic Information Systems (GIS) are tools for storing, analyzing, and displaying spatial data alongside related attributes. Unlike traditional information systems that address general queries, GIS incorporates spatial components, enabling users to answer "where" and "how far." For example, GIS can process housing data linked to geographic locations like zip codes, allowing insights into population density or housing distribution through thematic maps.GIS integrates technologies such as...
479
Introduction to Global Positioning System
436
The Global Positioning System (GPS) revolutionized positioning on Earth, providing precise location data through satellite ranging. The GPS system was developed in 1978 by the U.S. Department of Defense for military use, and it became available for civilian applications in 1983, transforming fields including navigation, fleet management, and time synchronization for telecommunications systems.GPS consists of satellites in medium Earth orbit, about 20,200 kilometers above the surface,...
436


