US Climate and Environmental Policy Uncertainty Index
收藏NIAID Data Ecosystem2026-05-02 收录
数据链接：
官方服务：
资源简介：
We use machine learning algorithms to construct a novel news-based index of US environmental and climate policy uncertainty (EnvPU) available on a monthly basis over the 1990-2019 period.
创建时间：
2025-05-26
