Importance sampling has been used to improve the efficiency of simulations where the simulation output is uniquely determined, given a fixed input. We extend the theory of importance sampling to estim

DataCite Commons2024-03-24 更新130

Proportion of total inputs that are of foreign origin (%) by sector - Manufacturing

制造业供应链国际化

进口投入依赖度

Average of all manufacturing establishments percentage of total inputs that are of foreign origin

World Bank Open Data50

Percent of firms identifying access to finance as a major or very severe constraint by sector - Services

服务业融资障碍

企业融资约束

Percentage of services establishments identifying access/cost of finance as a "major" or "very severe" obstacle.

World Bank Open Data40

能源互联网信息支撑网络层评价研究数据集

能源互联网网络拓扑

可靠性评估

能源互联网信息支撑网络层评价研究数据集是为某示范工程的区域能源互联网信息支撑网络拓扑情况，采集方案为参考文献，主要用于信息支撑网络层可靠性研究。

国家基础学科公共科学数据中心90

Percent of firms where the largest owner is also the top manager by sector - Services

公司股权结构

服务行业企业

Percentage of services establishments where the top manager is also the owner

World Bank Open Data40

Duration, in hours, of a typical electrical outage [median]

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