# Developing news-based Economic Policy Uncertainty index with unsupervised machine learning

> Research article (Economics Letters, 2017) · cited 82× · AI/ML

**Wikidata**: [openalex:W2672281213](https://www.wikidata.org/wiki/openalex:W2672281213)  
**Source**: https://4ort.xyz/entity/developing-news-based-economic-policy-uncertainty-index-with-unsupervised-machine-learning